Extrasolar News and Discoveries http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/-t1.htm Discussions about exoplanet discoveries and detection methods. Fri, 13 Nov 2009 09:30:44 GMT 10 Extrasolar News and Discoveries http://i159.photobucket.com/albums/t137/CrossingStyx/Forum/Title_test5.jpg http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/-t1.htm Planet around cataclysmic variable QS Virginis http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-cataclysmic-variable-qs-virginis-t425.htm Edasich http://exoplanet.eu/star.php?st=QS+Vir Planet-hosting CV FTW! Discovery paper: A giant planet in orbit around a magnetic-braking hibernating cataclysmic variable Seriously, several substellar companion, even in planetary regime, have been discovered so far. I wish to provide you parameters that EPE doesn't give in exoplanet page about the host star. Qian et al. affirm parameters are almost the same found by O' Donoghue et al. (2003). Thus: d= 48 pc M1= 0.78 MSun R1= ... Extrasolar News and Discoveries Fri, 13 Nov 2009 09:30:44 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-cataclysmic-variable-qs-virginis-t425.htm#2858 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-cataclysmic-variable-qs-virginis-t425.htm Substellar companion(s?) to Gliese 758 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/substellar-companions-to-gliese-758-t420.htm Sirius_Alpha Discovery of the Coldest Imaged Companion of a Sun-Like Star http://arxiv.org/abs/0911.1127 Abstract wrote:We present the discovery of a brown dwarf or possible planet at a projected separation of 1.9" = 29 AU around the star GJ 758, placing it between the separations at which substellar companions are expected to form by core accretion (~5 AU) or direct gravitational collapse (typically >100 AU). The object was detected by direct imaging of its thermal glow with Subaru/HiCIAO. At ... Extrasolar News and Discoveries Mon, 09 Nov 2009 07:44:08 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/substellar-companions-to-gliese-758-t420.htm#2841 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/substellar-companions-to-gliese-758-t420.htm Planet around WD+dM binary NN Serpentis? http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-wddm-binary-nn-serpentis-t415.htm Edasich
http://exoplanet.eu/star.php?st=NN+Ser

Typo shows period of 7.56 days rather 7.56 years.]]> Extrasolar News and Discoveries Tue, 03 Nov 2009 09:00:56 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-wddm-binary-nn-serpentis-t415.htm#2716 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-wddm-binary-nn-serpentis-t415.htm Kepler Results http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/kepler-results-t282.htm Sirius_Alpha Edit: Even though results from Kepler will take a while to come out (for understandable reasons), I feel it's time to make a thread about Kepler results. If nothing else because the Kepler preparation thread isn't covering the spacecraft's preparation anymore... the thing is launched, in space now, and in commissioning. As such, I've moved the post that started with Kepler's "first light" (even though the dust cover is still on for now) and the post after that to this new thread. Now ... Extrasolar News and Discoveries Thu, 26 Mar 2009 16:44:39 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/kepler-results-t282.htm#1652 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/kepler-results-t282.htm Planets around Miras from 2009? http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planets-around-miras-from-2009-t419.htm Edasich Neglected news Precessing planetary magnetospheres in SiO stars ? First detection of quasi-periodic polarization fluctuations in R Leo and V Cam The origin of magnetism around AGB stars is uncertain. If these stars drive a dynamo, it cannot be sufficient to generate a strong global field, otherwise the observed X-ray luminosities would be higher. Other explanations for the circular polarization of SiO masers in the atmospheres are needed. The interaction of the AGB wind with previously ... Extrasolar News and Discoveries Fri, 06 Nov 2009 11:24:02 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planets-around-miras-from-2009-t419.htm#2809 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planets-around-miras-from-2009-t419.htm Planet around Gamma-1 Leonis http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-gamma-1-leonis-t418.htm Lazarus Detection of a Planetary Companion around the giant star γ1 Leo

Gamma-1 Leonis is part of the binary system ADS 7724.]]> Extrasolar News and Discoveries Fri, 06 Nov 2009 08:17:11 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-gamma-1-leonis-t418.htm#2806 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-gamma-1-leonis-t418.htm Multiplanet system imaged at HR 8799 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/multiplanet-system-imaged-at-hr-8799-t169.htm Lazarus
(Unfortunately it's probably still embargoed too, until later today it looks like)]]> Extrasolar News and Discoveries Thu, 13 Nov 2008 10:41:53 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/multiplanet-system-imaged-at-hr-8799-t169.htm#954 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/multiplanet-system-imaged-at-hr-8799-t169.htm Another pulsar with strange companion in NGC 6440 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/another-pulsar-with-strange-companion-in-ngc-6440-t417.htm Edasich SWIFT J1756.9-2508, a challenger appears... Discovery of a 205.89 Hz accreting-millisecond X-ray pulsar in the globular cluster NGC 6440 We report the discovery of the second accreting millisecond X-ray pulsar (AMXP) in the globularcluster NGC 6440. Pulsations with a frequency of 205.89 Hz were detected with the Rossi X-RayTiming Explorer on August 30th and October 1st, 2009, during the decay of . 4 days outburst of anewly X-ray transient source in NGC 6440. By studying the Doppler shift ... Extrasolar News and Discoveries Wed, 04 Nov 2009 09:28:06 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/another-pulsar-with-strange-companion-in-ngc-6440-t417.htm#2773 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/another-pulsar-with-strange-companion-in-ngc-6440-t417.htm CoRoT Results http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/corot-results-t9.htm Sirius_Alpha This thread will be dedicated to the CoRoT (Convection, Rotation, and planetary Transits) spacecraft, the first spacecraft launch with the ability to seriously look for planets, (as opposed to Hubble which found the SWEEPS candidates, but Hubble isn't quite the most reliable tool for finding exoplanets). A similar thread will be made for Kepler in the future. In May of 2007, the first planet, CoRoT-Exo-1b was announced, and in December of 2007, the second planet was announced. In May of 2008, ... Extrasolar News and Discoveries Thu, 22 May 2008 22:02:59 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/corot-results-t9.htm#11 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/corot-results-t9.htm Significant exoplanet finding announcement on Monday http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/significant-exoplanet-finding-announcement-on-monday-t405.htm Lazarus ESO to hold media conference to discuss significant exoplanet finding On Monday 19 October 2009, astronomers will report at the international ESO/CAUP exoplanet conference in Porto, Portugal, on a significant discovery in the field of exoplanets, obtained with the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO's 3.6-metre telescope. Interestingly enough the SpaceRef version of this has a link to the arXiv paper about the discovery of Gliese ... Extrasolar News and Discoveries Sat, 17 Oct 2009 12:13:58 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/significant-exoplanet-finding-announcement-on-monday-t405.htm#2573 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/significant-exoplanet-finding-announcement-on-monday-t405.htm GJ 667C b http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/gj-667c-b-t406.htm lodp
... And gone again ....

Was just short of 6 Earth masses in 7 day orbit]]> Extrasolar News and Discoveries Mon, 19 Oct 2009 08:23:49 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/gj-667c-b-t406.htm#2581 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/gj-667c-b-t406.htm Planet at 30 Arietis B? http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-at-30-arietis-b-t394.htm Edasich
A substellar component orbiting the F-star 30 Arietis B
E. W. Guenther, M. Hartmann, M. Esposito, A. P. Hatzes, F. Cusano, and D. Gandolfi
Accepted: 14 September 2009
DOI: 10.1051/0004-6361/200912112
PDF file (1.223 MB)


If someone has access, please notify]]> Extrasolar News and Discoveries Mon, 05 Oct 2009 08:04:52 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-at-30-arietis-b-t394.htm#2520 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-at-30-arietis-b-t394.htm Characterisation of HD 114762B http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/characterisation-of-hd-114762b-t403.htm Lazarus The Benchmark Ultracool Subdwarf HD 114762B: A Test of Low-Metallicity Atmospheric and Evolutionary Models

HD 114762A is a low-metallicity star that was discovered to have a massive substellar companion (probably a brown dwarf) in 1989, which has at least 11 Jupiter masses. The secondary star HD 114762B has spectral type d/sdM9, a "mild subdwarf".]]> Extrasolar News and Discoveries Mon, 12 Oct 2009 17:43:16 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/characterisation-of-hd-114762b-t403.htm#2559 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/characterisation-of-hd-114762b-t403.htm GJ 876 d IR detection (with failure to detect an atmosphere) http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/gj-876-d-ir-detection-with-failure-to-detect-an-atmosphere-t387.htm Sirius_Alpha On the Method to Infer an Atmosphere on a Tidally Locked Super Earth Exoplanet and Upper Limits to GJ 876d http://www.iop.org/EJ/abstract/0004-637X/703/2/1884 Abstract wrote:We develop a method to infer or rule out the presence of an atmosphere on a tidally locked hot super Earth. The question of atmosphere retention is a fundamental one, especially for planets orbiting M stars due to the star's long-duration active phase and corresponding potential for stellar-induced planetary atmospheric ... Extrasolar News and Discoveries Thu, 17 Sep 2009 07:20:23 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/gj-876-d-ir-detection-with-failure-to-detect-an-atmosphere-t387.htm#2477 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/gj-876-d-ir-detection-with-failure-to-detect-an-atmosphere-t387.htm Losing another planet, having back a low-mass star http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/losing-another-planet-having-back-a-low-mass-star-t389.htm Edasich A long timespan without any discovery, but with several retractions. How sad Hipparcos preliminary astrometric masses for the two close-in companions to HD 131664 and HD 43848. A brown dwarf and a low mass star Context. Several mechanisms for forming brown dwarfs have been proposed, which are today believed not to be mutually exclusive.Among the fundamental characteristics of brown dwarfs which are intrinsically tied to their origin, multiplicity is of particular relevance.Any successful ... Extrasolar News and Discoveries Fri, 25 Sep 2009 08:40:01 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/losing-another-planet-having-back-a-low-mass-star-t389.htm#2501 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/losing-another-planet-having-back-a-low-mass-star-t389.htm Hints of planet formation at EE Cep? http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hints-of-planet-formation-at-ee-cep-t399.htm Sirius_Alpha Multi-ring structure of the eclipsing disk in EE Cep - possible planets? http://fr.arxiv.org/abs/0910.0432 Abstract wrote:The photometric and spectroscopic observational campaign organized for the 2008/9 eclipse of EE Cep revealed features, which indicate that the eclipsing disk in the EE Cep system has a multi-ring structure. We suggest that the gaps in the disk can be related to the possible planet formation. Extrasolar News and Discoveries Tue, 06 Oct 2009 08:16:14 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hints-of-planet-formation-at-ee-cep-t399.htm#2530 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hints-of-planet-formation-at-ee-cep-t399.htm Possible image of an exoplanet next to Beta Pictoris http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/possible-image-of-an-exoplanet-next-to-beta-pictoris-t179.htm Stalker
In french]]> Extrasolar News and Discoveries Fri, 21 Nov 2008 11:24:05 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/possible-image-of-an-exoplanet-next-to-beta-pictoris-t179.htm#1043 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/possible-image-of-an-exoplanet-next-to-beta-pictoris-t179.htm Variability in LRLL 31 disk http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/variability-in-lrll-31-disk-t388.htm Sirius_Alpha http://www.universetoday.com/2009/09/23/spitzer-watches-planet-forming-disk-change-quickly/]]> Extrasolar News and Discoveries Wed, 23 Sep 2009 21:13:38 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/variability-in-lrll-31-disk-t388.htm#2500 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/variability-in-lrll-31-disk-t388.htm Transit timing analysis of the exoplanets TrES-1 and TrES-2 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/transit-timing-analysis-of-the-exoplanets-tres-1-and-tres-2-t379.htm Edasich Transit timing analysis of the exoplanets TrES-1 and TrES-2 The aim of this work is a detailed analysis of transit light curves from TrES-1 and TrES-2, obtained over a period of three to four years, in order to search for variabilities in observed mid-transit times and to set limits for the presence of additional third bodies. Using the IAC 80cm telescope, we observed transits of TrES-1 and TrES-2 over several years. Based on these new data and previously published work, we studied the observed ... Extrasolar News and Discoveries Thu, 10 Sep 2009 15:39:10 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/transit-timing-analysis-of-the-exoplanets-tres-1-and-tres-2-t379.htm#2408 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/transit-timing-analysis-of-the-exoplanets-tres-1-and-tres-2-t379.htm SuperWASP Results http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/superwasp-results-t119.htm Lazarus WASP 10b paper is out. WASP-10b: a 3M_J, eccentric transiting gas-giant planet http://arxiv.org/abs/0806.1482 Abstract wrote:We report the discovery of WASP-10b, a new transiting extrasolar planet (ESP) discovered by the WASP Consortium and confirmed using NOT FIES and SOPHIE radial velocity data. A 3.09 day period, 33 mmag transit depth, and 2.36 hour duration are derived for WASP-10b using WASP and high precision photometric observations. Simultaneous fitting to the photometric and radial ... Extrasolar News and Discoveries Tue, 10 Jun 2008 00:46:31 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/superwasp-results-t119.htm#66 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/superwasp-results-t119.htm Many new HARPS discoveries? http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/many-new-harps-discoveries-t13.htm Sirius_Alpha Many new HARPS discoveries. It seems that many new planets from the HARPS instrument can be expected. A four year study of 400 stars seems to have found 45 new candidates. All of them are below Jovian mass, and all of them apparently orbiting F, G, and K stars. If all of these planets have been found around F, G, and K stars, I wonder how many candidates HARPS has around M stars, hmm... And another interesting result, ScienceNews wrote:As many as 30 percent of sunlike stars posess close-in, ... Extrasolar News and Discoveries Sat, 31 May 2008 22:14:15 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/many-new-harps-discoveries-t13.htm#15 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/many-new-harps-discoveries-t13.htm TrES-2 b IR detection http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/tres-2-b-ir-detection-t386.htm Sirius_Alpha Detection of Planetary Emission from the Exoplanet TrES-2 using Spitzer /IRAC http://arxiv.org/abs/0909.3073 Abstract wrote:With the recent torrent of discoveries of new transiting planets, there have been ample candidates for observations using the Spitzer Space Telescope. We present here the results of our observations of TrES-2 using the Infrared Array Camera on Spitzer. We monitored this transiting system during two secondary eclipses, when the planetary emission is blocked by the ... Extrasolar News and Discoveries Thu, 17 Sep 2009 00:35:18 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/tres-2-b-ir-detection-t386.htm#2476 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/tres-2-b-ir-detection-t386.htm collision of two planets http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/collision-of-two-planets-t358.htm Stalker Planet SMASH! A celestial body about the size of our moon collides with a planet roughly the size of Mercury in a new artist's conception. Scientists think a scene like this played out just a few thousand years ago around a young star called HD 172555. NASA's Spitzer Space Telescope recently detected the signatures of vaporized and melted rock along with rubble around the star, about a hundred light-years from Earth. Debris from a similar giant impact between Earth and a Mars-size body is ... Extrasolar News and Discoveries Wed, 12 Aug 2009 06:16:23 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/collision-of-two-planets-t358.htm#2204 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/collision-of-two-planets-t358.htm Weird RV variations of Theta Cygni A http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/weird-rv-variations-of-theta-cygni-a-t369.htm Lazarus arXiv: Extrasolar planets and brown dwarfs around A-F type stars - VII. Theta Cygni radial velocity variations: planets or stellar phenomenon? Some very odd radial velocity variations of the star Theta Cygni A. There seems to be some link between the radial velocity variations and the shape of the spectral lines, which indicates stellar activity may be to blame. Alternatively there may be a planetary system, but would perhaps require some exotic planetary configuration. Extrasolar News and Discoveries Tue, 01 Sep 2009 07:39:38 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/weird-rv-variations-of-theta-cygni-a-t369.htm#2326 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/weird-rv-variations-of-theta-cygni-a-t369.htm IR RV VB 10 b detection http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/ir-rv-vb-10-b-detection-t366.htm Sirius_Alpha Infrared radial velocities of vB 10 http://arxiv.org/abs/0908.3751 Abstract wrote:We present radial velocities of the M8V-type, very low-mass star vB 10 that have been obtained at four different epochs of observations between 2001 and 2008. We use high-resolution (R ~ 20,000) near-infrared (J-band) spectra taken with the NIRSPEC instrument on the Keck II telescope. Our data suggest that vB 10 shows radial velocity variability with an amplitude of ~1 km/s, a result that is consistent with ... Extrasolar News and Discoveries Thu, 27 Aug 2009 13:02:18 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/ir-rv-vb-10-b-detection-t366.htm#2297 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/ir-rv-vb-10-b-detection-t366.htm Epsilon Aurigae's transit http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/epsilon-aurigae-s-transit-t367.htm Stalker
Every 27,1 years, an unknown star eclipses the star Epsilon Aurigae. New eclipse began 6 aout.

The second star may be twin B stars surrounding by a disk of dust. the disk is hollow in the center and planets can form in the disk.

Phenomenon is visible with any instrument and even in the bare eye.]]> Extrasolar News and Discoveries Fri, 28 Aug 2009 09:40:46 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/epsilon-aurigae-s-transit-t367.htm#2301 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/epsilon-aurigae-s-transit-t367.htm A Plenty of Exoplanets from Exoplanets.org http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/a-plenty-of-exoplanets-from-exoplanetsorg-t353.htm Edasich I was just awestuck! Here the papers: 1) - HD179079b and HD73435b: Two Exoplanets Discovered at Keck Observatory1 2) - Five New Giant Exoplanets from the California Planet Survey Several Hot Neptunes and HD 34445 is back! Been confirmed. Extrasolar News and Discoveries Tue, 11 Aug 2009 08:11:42 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/a-plenty-of-exoplanets-from-exoplanetsorg-t353.htm#2184 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/a-plenty-of-exoplanets-from-exoplanetsorg-t353.htm HATnet Results http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hatnet-results-t40.htm Lazarus Title: HAT-P-9b: A Low Density Planet Transiting a Moderately Faint F star

Another transiting hot Jupiter...

p.s. the 10 character lower limit on topic titles is somewhat annoying...]]> Extrasolar News and Discoveries Thu, 26 Jun 2008 00:17:37 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hatnet-results-t40.htm#204 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hatnet-results-t40.htm Flare on OGLE-TR-10 during transit http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/flare-on-ogle-tr-10-during-transit-t362.htm Sirius_Alpha A Stellar Flare during the Transit of the Extrasolar Planet OGLE-TR-10b http://arxiv.org/abs/0908.2329 Abstract wrote:We report a stellar flare occurring during a transit of the exoplanet OGLE-TR-10b, an event not previously reported in the literature. This reduces the observed transit depth, particularly in the u'-band, but flaring could also be significant in other bands and could lead to incorrect planetary parameters. We suggest that OGLE-TR-10a is an active planet-hosting star and has ... Extrasolar News and Discoveries Tue, 18 Aug 2009 12:55:27 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/flare-on-ogle-tr-10-during-transit-t362.htm#2260 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/flare-on-ogle-tr-10-during-transit-t362.htm Two planets at HD 140718, one at HD 171238, HD 204313 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/two-planets-at-hd-140718-one-at-hd-171238-hd-204313-t356.htm Sirius_Alpha The CORALIE survey for southern extrasolar planets. XVI. Discovery of a planetary system around HD 147018 and of two long period and massive planets orbiting HD 171238 and HD 204313 Abstract wrote:We report the detection of a double planetary system around HD 140718 as well as the discovery of two long period and massive planets orbiting HD 171238 and HD 204313. Those discoveries were made with the CORALIE Echelle spectrograph mounted on the 1.2-m Euler Swiss telescope located at La Silla ... Extrasolar News and Discoveries Wed, 12 Aug 2009 00:17:20 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/two-planets-at-hd-140718-one-at-hd-171238-hd-204313-t356.htm#2202 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/two-planets-at-hd-140718-one-at-hd-171238-hd-204313-t356.htm Substellar companion around a hot subdwarf star http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/substellar-companion-around-a-hot-subdwarf-star-t352.htm Edasich Discovery of a close substellar companion to the hot subdwarf star HD 149382 - The decisive influence of substellar objects on late stellar evolution Substellar objects, like planets and brown dwarfs orbiting stars, are by-products of the star formation process. The evolution of their host stars may have an enourmous impact on these small companions. Vice versa a planet might also influence stellar evolution as has recently been argued.Here we report the discovery of a 8-23 Jupiter-mass substellar ... Extrasolar News and Discoveries Mon, 10 Aug 2009 10:03:06 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/substellar-companion-around-a-hot-subdwarf-star-t352.htm#2173 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/substellar-companion-around-a-hot-subdwarf-star-t352.htm MOA-2008-BLG-310Lb - planet in the Galactic Bulge http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/moa-2008-blg-310lb-planet-in-the-galactic-bulge-t349.htm Sirius_Alpha Sub-Saturn Planet MOA-2008-BLG-310Lb: Likely To Be In The Galactic Bulge http://arxiv.org/abs/0908.0529 Abstract wrote:We report the detection of sub-Saturn-mass planet MOA-2008-BLG-310Lb and argue that it is the strongest candidate yet for a bulge planet. Deviations from the single-lens fit are smoothed out by finite-source effects and so are not immediately apparent from the light curve. Nevertheless, we find that a model in which the primary has a planetary companion is favored over the ... Extrasolar News and Discoveries Thu, 06 Aug 2009 00:13:51 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/moa-2008-blg-310lb-planet-in-the-galactic-bulge-t349.htm#2144 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/moa-2008-blg-310lb-planet-in-the-galactic-bulge-t349.htm BD+20 1790 b - A planet found serendipitously (so they say) http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/bd20-1790-b-a-planet-found-serendipitously-so-they-say-t348.htm Edasich
http://exoplanet.eu/star.php?st=BD%2B20+1790

But dear Jean Schneider an age of 57 Gyrs is quite much for a young and active star! Razz]]> Extrasolar News and Discoveries Tue, 04 Aug 2009 16:06:24 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/bd20-1790-b-a-planet-found-serendipitously-so-they-say-t348.htm#2133 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/bd20-1790-b-a-planet-found-serendipitously-so-they-say-t348.htm No planet at HD 166435 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/no-planet-at-hd-166435-t347.htm Sirius_Alpha No planet at HD 166435 Don't worry guys! This isn't a retraction, we're not loosing any planets today. Examining HD 166435 with ELODIE revealed an RV periodicity, but it was found to be variable. Abstract wrote:The G0 V star HD 166435 has been observed by the fiber-fed spectrograph ELODIE as one of the targets in the large extra-solar planet survey that we are conducting at the Observatory of Haute-Provence. We detected coherent, low-amplitude, radial-velocity variations with a period ... Extrasolar News and Discoveries Sat, 01 Aug 2009 10:42:16 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/no-planet-at-hd-166435-t347.htm#2117 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/no-planet-at-hd-166435-t347.htm Planet around Chi Virginis http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-chi-virginis-t338.htm Edasich I wait for the discovery paper and EPE being updated. DE MEDEIROS J., SETIAWAN J., HATZES A., PASQUINI L., GIRARDI S., UDRY S., DOLLINGER M. & da SILVA L. , 2009 (update : 16 July 2009) A planet around the evolved intermediate-mass star HD 110014 Astron. & Astrophys. , - , - accepted Meanwhile I just eagerly wait. Extrasolar News and Discoveries Thu, 16 Jul 2009 08:45:05 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-chi-virginis-t338.htm#2008 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/planet-around-chi-virginis-t338.htm Eclipse and transit of HD 80606b http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/eclipse-and-transit-of-hd-80606b-t242.htm Lazarus systemic]]> Extrasolar News and Discoveries Tue, 27 Jan 2009 22:13:06 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/eclipse-and-transit-of-hd-80606b-t242.htm#1424 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/eclipse-and-transit-of-hd-80606b-t242.htm A companion close to the planet/brown-dwarf transition around HD16760 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/a-companion-close-to-the-planet-brown-dwarf-transition-around-hd16760-t340.htm Edasich The SOPHIE northern extrasolar planets. I. A companion close to the planet/brown-dwarf transition around HD16760 We report on the discovery of a substellar companion or a massive Jupiter orbiting the G5V star HD16760 with the spectrograph SOPHIE installed on the OHP 1.93-m telescope. Characteristics and performances of the spectrograph are presented, as well as the SOPHIE exoplanet consortium program. With a minimum mass of 14.3 Mjup, an orbital period of 465 days and an eccentricity of 0.067, ... Extrasolar News and Discoveries Wed, 22 Jul 2009 07:44:45 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/a-companion-close-to-the-planet-brown-dwarf-transition-around-hd16760-t340.htm#2053 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/a-companion-close-to-the-planet-brown-dwarf-transition-around-hd16760-t340.htm Another RV study of HD 188753 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/another-rv-study-of-hd-188753-t342.htm Lazarus TRIMOR - three-dimensional correlation technique to analyze multi-order spectra of triple stellar systems; Application to HD188753

Mainly focussed on the Ba/Bb system, but also searched for the planet around A. No evidence of the planet.]]> Extrasolar News and Discoveries Wed, 22 Jul 2009 13:30:19 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/another-rv-study-of-hd-188753-t342.htm#2055 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/another-rv-study-of-hd-188753-t342.htm Transit timing variations at TrES-2? http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/transit-timing-variations-at-tres-2-t218.htm Sirius_Alpha http://arxiv.org/abs/0812.3549

Quote from the discussion:

The deviations to both sides of zero could be a first indication of timing anomalies caused by additional planets or moons. We will continue observing TrES-2 to confirm these transit time variations. Therefore, we work on methods to improve the accuracy of our transit times.
]]> Extrasolar News and Discoveries Fri, 19 Dec 2008 01:10:33 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/transit-timing-variations-at-tres-2-t218.htm#1300 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/transit-timing-variations-at-tres-2-t218.htm Ten new debris disks http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/ten-new-debris-disks-t331.htm Sirius_Alpha New Debris Disks around: Gliese 581, HD 40979, HD 43162, HD 46375, HD 50499, HD 73526, HD 137759, HD 178911, HD 187085, HD 202206, HD 216435 On the Relationship Between Debris Disks and Planets http://arxiv.org/abs/0907.0028 abstract wrote:Dust in debris disks is generated by collisions among planetesimals. The existence of these planetesimals is a consequence of the planet formation process, but the relationship between debris disks and planets has not been clearly established. Here ... Extrasolar News and Discoveries Thu, 02 Jul 2009 00:40:16 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/ten-new-debris-disks-t331.htm#1973 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/ten-new-debris-disks-t331.htm Magnetic field at Pollux (RV correlation?) http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/magnetic-field-at-pollux-rv-correlation-t334.htm Sirius_Alpha Discovery of a weak magnetic field in the photosphere of the single giant Pollux http://arxiv.org/abs/0907.1423 Abstract wrote:Aims: We observe the nearby, weakly-active single giant, Pollux, in order to directly study and infer the nature of its magnetic field. Methods: We used the new generation spectropolarimeters ESPaDOnS and NARVAL to observe and detect circular polarization within the photospheric absorption lines of Pollux. Our observations span 18 months from 2007-2009. We treated ... Extrasolar News and Discoveries Fri, 10 Jul 2009 00:08:49 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/magnetic-field-at-pollux-rv-correlation-t334.htm#1991 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/magnetic-field-at-pollux-rv-correlation-t334.htm Brown Dwarf around HD 36861 C http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/brown-dwarf-around-hd-36861-c-t333.htm Edasich A deep look into the core of young clusters. II. lambda-Orionis Over the past years, the lambda-Orionis cluster has been a prime location for the study of young very low mass stars, substellar and isolated planetary mass objects and the determination of the initial mass function and other properties of low mass cluster members. In the continuity of our previous studies of young associations cores, we search for ultracool members and new multiple systems within the central 5.3' (~0.6pc) of ... Extrasolar News and Discoveries Mon, 06 Jul 2009 21:21:27 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/brown-dwarf-around-hd-36861-c-t333.htm#1983 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/brown-dwarf-around-hd-36861-c-t333.htm Constraints on the companion to Eps Ind A http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/constraints-on-the-companion-to-eps-ind-a-t329.htm Sirius_Alpha Imaging search for the unseen companion to Eps Ind A -- Improving the detection limits with 4 micron observations http://arxiv.org/abs/0906.4145 Abstract wrote:Eps Ind A is one of the nearest sun-like stars, located only 3.6 pc away. It is known to host a binary brown dwarf companion, Eps Ind Ba/Bb, at a large projected separation of 6.7", but radial velocity measurements imply that an additional, yet unseen component is present in the system, much closer to Eps Ind A. Previous direct ... Extrasolar News and Discoveries Wed, 24 Jun 2009 12:33:42 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/constraints-on-the-companion-to-eps-ind-a-t329.htm#1960 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/constraints-on-the-companion-to-eps-ind-a-t329.htm 37.6 M_j brown dwarf at HD 119445 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/376-m_j-brown-dwarf-at-hd-119445-t328.htm Sirius_Alpha A Massive Substellar Companion to the Massive Giant HD 119445 http://arxiv.org/abs/0906.3762 Abstract wrote:We detected a brown dwarf-mass companion around the intermediate-mass giant star HD 119445 (G6III) using the Doppler technique. This discovery is the first result from a Korean-Japanese planet search program based on precise radial velocity measurements. The radial velocity of this star exhibits a periodic Keplerian variation with a period, semi-amplitude and eccentricity of 410.2 days, ... Extrasolar News and Discoveries Tue, 23 Jun 2009 00:06:33 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/376-m_j-brown-dwarf-at-hd-119445-t328.htm#1956 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/376-m_j-brown-dwarf-at-hd-119445-t328.htm First Planet detected in Andromeda Galaxy M31? http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/first-planet-detected-in-andromeda-galaxy-m31-t322.htm Edasich Quite blurry kind of detection, but possible hint of a substellar companion orbiting a star in another galaxy *emphasis mine* http://exoplanet.eu/star.php?st=PA-99-N2 Listed in EPE amongst unconfirmed objects. Paper here: The anomaly in the candidate microlensing event PA-99-N2 ABSTRACT. The light curve of PA-99-N2, one of the recently announced microlensing candidates toward M31, shows small deviations from the standard Paczyński form. We explore a number of possible explanations, ... Extrasolar News and Discoveries Tue, 16 Jun 2009 20:24:36 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/first-planet-detected-in-andromeda-galaxy-m31-t322.htm#1923 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/first-planet-detected-in-andromeda-galaxy-m31-t322.htm Major exoplanet announcement by ESO next Tuesday http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/major-exoplanet-announcement-by-eso-next-tuesday-t290.htm exoplanet from http://www.eso.org/public/events/press-evt/exoplanet_press.html If you see the program (http://www.jenam2009.eu/default.asp?ContentID=1327) Michel Mayor speaks Tuesday morning. It seems the Swiss team has some hot news... VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV ESO, the European Southern Observatory, will host two press events during the European Week of Astronomy and Space Science (JENAM 2009) that takes place at the University of ... Extrasolar News and Discoveries Fri, 17 Apr 2009 23:27:01 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/major-exoplanet-announcement-by-eso-next-tuesday-t290.htm#1694 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/major-exoplanet-announcement-by-eso-next-tuesday-t290.htm HD 189733 b: Weak or no magnetic field? http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hd-189733-b-weak-or-no-magnetic-field-t324.htm Sirius_Alpha GMRT radio observations of the transiting extrasolar planet HD189733b at 244 and 614 MHz http://arxiv.org/abs/0906.2783 Abstract wrote:We report a sensitive search for meter-wavelength emission at 244 and 614 MHz from HD189733b, the nearest known extrasolar transiting planet of `hot-Jupiter' type. To discriminate any planetary emission from possible stellar or background contributions, we observed the system for 7.7 hours encompassing the planet's eclipse behind the host star. These GMRT ... Extrasolar News and Discoveries Wed, 17 Jun 2009 00:15:26 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hd-189733-b-weak-or-no-magnetic-field-t324.htm#1930 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hd-189733-b-weak-or-no-magnetic-field-t324.htm Additional planets to K-type stars http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/additional-planets-to-k-type-stars-t318.htm Sirius_Alpha BD+20 2457 seems to have two brown dwarfs. Substellar-mass companions to the K-dwarf BD +14 4559 and the K-giants HD 240210 and BD +20 2457 http://arxiv.org/abs/0906.1804 Abstract wrote:We present the discovery of substellar-mass companions to three stars by the ongoing Penn State - Toru\' n Planet Search (PTPS) conducted with the 9.2-m Hobby-Eberly Telescope. The K2-dwarf, BD +14 4559, has a 1.5 M$_{J}$ companion with the orbital period of 269 days and shows a non-linear, ... Extrasolar News and Discoveries Wed, 10 Jun 2009 00:10:58 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/additional-planets-to-k-type-stars-t318.htm#1898 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/additional-planets-to-k-type-stars-t318.htm Hints of a Super-Earth orbiting Barnard's Star http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hints-of-a-super-earth-orbiting-barnard-s-star-t317.htm Edasich Wish it may be confirmed soon. The UVES M Dwarf Planet Search In the case of Barnard’s star we find a significant signal with a period of 44.9 d and an RV amplitude of ± 2.9 ms–1 (Zechmeister et al., 2009; Kürster et al. 2003). If this signal could be attributed to an orbiting companion, this object would be a Super-Earth with a minimum mass of 4.7 Me. It would orbit somewhat outside of the habitable zone of Barnard’s star. Extrasolar News and Discoveries Tue, 09 Jun 2009 12:21:27 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hints-of-a-super-earth-orbiting-barnard-s-star-t317.htm#1893 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hints-of-a-super-earth-orbiting-barnard-s-star-t317.htm HD 17156 spin-orbit alignment http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hd-17156-spin-orbit-alignment-t41.htm Sirius_Alpha The spin-orbit alignment if HD 17156 has been determined to be 9.4 degrees, compared to ~60 degrees from previous studies. Hmm. The Spin-Orbit Alignment of the HD17156 Transiting Eccentric Planetary System http://arxiv.org/abs/0806.4142 abstract wrote:We present high precision radial velocity observations of HD17156 during a transit of its eccentric Jovian planet. In these data, we detect the Rossiter-McLaughlin effect, which is an apparent perturbation in the velocity of the star due ... Extrasolar News and Discoveries Thu, 26 Jun 2008 01:51:08 GMT http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hd-17156-spin-orbit-alignment-t41.htm#206 http://solar-flux.forumandco.com/extrasolar-news-and-discoveries-f2/hd-17156-spin-orbit-alignment-t41.htm