Exoplanet Table of Firsts/Extremes

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Exoplanet Table of Firsts/Extremes

Post by marasama on 14th March 2011, 3:52 pm

Thought this would be good to have it in the forum.

Other places, including Wikipedia has it, but not complete.
So here is the list.

Please correct any information that is wrong.
Or any honorable mentions that should be displayed.


Last edited by marasama on 15th March 2011, 2:14 pm; edited 1 time in total

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Re: Exoplanet Table of Firsts/Extremes

Post by marasama on 14th March 2011, 3:53 pm

Firsts Planet(s) System Year Detected By Description(s)
Confirmed PSR B1257+12 B PSR B1257+12 1992 Aleksander Wolszczan via Arecibo Observatory
PSR B1257+12 C
Retracted Planet
Disproven Planet
Detection Metdod
By Astrometry
By Circumstellar Disk Morphology
By Contamination in Stellar Atmosphere
By Direct Imaging (IR) 2M1207 b 2M1207 2004 Chauvin et al. via VLT the full name is 2MASS J12073346-3932539.
By Direct Imaging (Vis) Fomalhaut b Fomalhaut 2008 Kalas et al. via HST
By Doppler Spectroscopy 51 Pegasi b 51 Pegasi 1995 Michel Mayor & Didier Queloz via ELODIE spectrograph at Observatoire de Haute-Provence MS-Star is a Main-Sequence Star.
By Eclipsing Binary Minima Timing HW Virginis c HW Virginis 2008 Lee et al. via ?
By Gravitational Lensing OGLE-2003-BLG-235L b OGLE-2003-BLG-235L 2004 Bond et al. via OGLE & MOA collaborations
By Interferometry (IR)
By Interferometry (Vis)
By Polarity
By Radial Velocity 51 Pegasi b 51 Pegasi 1995 Michel Mayor & Didier Queloz via ELODIE spectrograph at Observatoire de Haute-Provence
By Timing PSR B1257+12 B PSR B1257+12 1992 Aleksander Wolszczan via Arecibo Observatory
PSR B1257+12 C
By Transit OGLE-TR-56 b OGLE-TR-56 2002 Konacki et al. via OGLE project
First Type
Earth-type
Eccentric Earth
Hot Earth
Cold Earth
Super Earth PSR B1257+12 B PSR B1257+12 1992 Aleksander Wolszczan via Arecibo Observatory
PSR B1257+12 C
Eccentric Super Earth
Hot Super Earth
Cold Super Earth OGLE-2005-BLG-390Lb OGLE-2005-BLG-390L 2006 PLANET/RoboNet,OGLE, & MOA collaboration.
Neptune-type
Eccentric Neptune
Hot Neptune
Cold Neptune
Jupiter-type
Eccentric Jupiter HD 80606 b HD 80606 2001 Mayor et al. via RV at Geneva Extrasolar Planet Search.
Hot Jupiter 51 Pegasi b 51 Pegasi 1995 Michel Mayor & Didier Queloz via ELODIE spectrograph at Observatoire de Haute-Provence
Cold Jupiter
Bloated Planet
Carbon Planet WASP-12b (candidate) WASP-12 2008 Cameron et al. via SuperWASP Detection of high concentration of CH4 (methane) & CO (carbon monoxide) in 2010.
Chthonic Planet
Dwarf Planet PSR B1257+12 D (unconfirmed) PSR B1257+12 1992 Aleksander Wolszczan via Arecibo Observatory
Evaporating Planet HD 209458 b HD 209458 1999 D. Charbonneau et al. via Transit & RV Unofficially named, Osiris.
Helium Planet A planet witd a high composition of helium.
Ironball Planet A planet nearly composed of iron.
Micro-Gas Planet A smaller planet with a thick hydrogen atmosphere.
Ocean Planet Gliese 581 d (candidate) Gliese 581 2007 Udry et al. via RV at La Silla Observatory
Rogue Planet S Ori 70 (contriversial) N/A 2004 Osorio et al. via ? the full name is S Ori J053810.1-023626.
Terrestrial Mu Arae c (contriversial?) Mu Arae 2004 Santos, Bouchy, Mayor, & Pepe via HARPS
Trojan Planet
Extragalactic Planet Q0957+561 (controversial) unknown 1996 R. E. Schild via Gravitational Lensing Located in the galaxy, YGKOW G1.
First to Orbit
Orbit an ABO Star Fomalhaut b Fomalhaut 2008 Kalas et al. via HST
Orbit an MS-Star 51 Pegasi b 51 Pegasi 1995 Michel Mayor & Didier Queloz via ELODIE spectrograph at Observatoire de Haute-Provence MS-Star is a Main-Sequence Star.
Orbit a dM/dL Star Gliese 876 b Gliese 876 1998 Marcy et al. via RV at California and Carnegie Planet Search dM/dL are Red Dwarfs of either M or L spectra.
Orbit a sdM/sdL Star sdM/sdL are Red Subdwarfs of either M or L spectra.
Orbit a BD 2M1207 b 2M1207 2004 Chauvin et al. via VLT the full name is 2MASS J12073346-3932539.
Orbit a Giant Star Iota Draconis b Iota Draconis 2002 Frink et al. via Doppler Spectroscopy
Orbit a BS Star A Blue Straggler planet, (this include Red and Yellow Stragglers).
Orbit a T Tauri Star
Orbit an HAeBe Star
Orbit a WD Star PSR B1620-26 b PSR B1620-26 A/B 1993 Backer et al. via Pulsar Timing Unofficially named, Methuselah.
Orbit a sdO/sdB Star sdO/sdB are Blue Subdwarfs of either O or B spectra.
Orbit a Neutron Star PSR B1257+12 B PSR B1257+12 1992 Aleksander Wolszczan via Arecibo Observatory the Neutron star is of Pulsar type.
PSR B1257+12 C
First Orbital Types
Free Floating S Ori 70 (contriversial) N/A 2004 Osorio et al. via ? the full name is S Ori J053810.1-023626.
In Binary System 55 Cancri b 55 Cancri A/B 1996 Butler & Marcy via RV
In Circumbinary System PSR B1620-26 b PSR B1620-26 A/B 1993 Backer et al. via Pulsar Timing Unofficially named, Methuselah.
In Wide Binary System
In Triple System
In Circumtrinary System
In Quadruple System
First Multiplanet System
Multiplanet System PSR B1257+12 B PSR B1257+12 1992 Aleksander Wolszczan via Arecibo Observatory the Neutron star is of Pulsar type.
PSR B1257+12 C
2 Planets System PSR B1257+12 B PSR B1257+12 1992 Aleksander Wolszczan via Arecibo Observatory the Neutron star is of Pulsar type.
PSR B1257+12 C
3 Planets System Upsilon Andromedae b Upsilon Andromedae 1996 Marcy et al. via RV
Upsilon Andromedae c 1999 Marcy et al. via RV
Upsilon Andromedae d 1999 Butler, Marcy et al. via RV
4 Planets System 55 Cancri b 55 Cancri 1996 Butler & Marcy via RV
55 Cancri c 2002 Marcy et al. via RV
55 Cancri d 2002 Marcy et al. via RV
55 Cancri e 2005-2007 J. Wisdom (announced) & D. Fischer (published) via Doppler Spectroscopy
5 Planets System 55 Cancri b 55 Cancri 1996 Butler & Marcy via RV
55 Cancri c 2002 Marcy et al. via RV
55 Cancri d 2002 Marcy et al. via RV
55 Cancri e 2005-2007 J. Wisdom (announced) & D. Fischer (published) via Doppler Spectroscopy
55 Cancri f 2004 McArthur et al. via RV
6 Planets System
7 Planets System
8 Planets System
9 Planets System
10 Planets System
First Physical Descriptions
Atmospheric venting HD 209458 b HD 209458 1999 D. Charbonneau et al. via Transit & RV Unofficially named, Osiris.
Detected atmospheric molicule(s)
Detection of atmospheric haze 2005 Bouchy et al. via Doppler Spectroscopy & Transit Haze detected by Frederic Pont et.al, Geneva University Observatory ???
High inclined orbit HAT-P-2b HD 147506 2007 HATNet Project
Retrograde orbit WASP-17b WASP-17 2009 David R. Anderson et al. via Transit
Temperature detected
Wind Speed Detected


Last edited by marasama on 15th March 2011, 2:13 pm; edited 6 times in total

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Re: Exoplanet Table of Firsts/Extremes

Post by marasama on 14th March 2011, 3:53 pm

Table of extremes, coming up soon.

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Re: Exoplanet Table of Firsts/Extremes

Post by Sirius_Alpha on 15th March 2011, 2:48 am

Pretty neat!

First disproven planet could be the planet's at Barnard's star. Not sure.
First planet discovered by astrometry goes to the planet in the HD 176051 system (it's binary, not sure which star it orbits).
By Doppler spectroscopy goes to 51 Peg b.
HD 189733 b is the first planet detected by polarised light, but of course not discovered that way, which seems to be what your criteria is.
You have 51 Peg b marked as the first planet from radial velocity. Pulsar timing is a type of radial velocity, so, that would go to the PSR B1257+12 system.
By timing goes to PSR B1620-26 c.
Eclipsing binary minima timing, I think is HW Vir's planets.
First Neptune-type planet would go to Gliese 436 b.
Eccentric Neptune would be Gliese 436 b.
Hot Neptune would be Gliese 436 b.
Not sure how you define "Jupiter-type," but if you define it as a Jupiter analogue and accept RV minimum masses, HD 154345 b could fit that description.
About being in a binary system, wasn't 16 Cyg Bb reported before 55 Cnc Ab? I don't recall.
First three-planet system was υ And.
First four-planet system was 55 Cnc.
First five-planet system was 55 Cnc.
First six-planet system was HD 10180 (or Kepler-11, depending on how you view HD 10180's unconfirmed planets).

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Re: Exoplanet Table of Firsts/Extremes

Post by marasama on 15th March 2011, 1:38 pm

Thanks, update when I have a chance.

have to use a notepad, cause edit destroys the format. lol

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Re: Exoplanet Table of Firsts/Extremes

Post by marasama on 15th March 2011, 2:18 pm

First disproven planet could be the planet's at Barnard's star. Not sure.
First planet discovered by astrometry goes to the planet in the HD 176051 system (it's binary, not sure which star it orbits).
By Doppler spectroscopy goes to 51 Peg b.
HD 189733 b is the first planet detected by polarised light, but of course not discovered that way, which seems to be what your criteria is.
You have 51 Peg b marked as the first planet from radial velocity. Pulsar timing is a type of radial velocity, so, that would go to the PSR B1257+12 system.
By timing goes to PSR B1620-26 c.
Eclipsing binary minima timing, I think is HW Vir's planets.
First Neptune-type planet would go to Gliese 436 b.
Eccentric Neptune would be Gliese 436 b.
Hot Neptune would be Gliese 436 b.
Not sure how you define "Jupiter-type," but if you define it as a Jupiter analogue and accept RV minimum masses, HD 154345 b could fit that description.
About being in a binary system, wasn't 16 Cyg Bb reported before 55 Cnc Ab? I don't recall.
First three-planet system was υ And.
First four-planet system was 55 Cnc.
First five-planet system was 55 Cnc.
First six-planet system was HD 10180 (or Kepler-11, depending on how you view HD 10180's unconfirmed planets).


Earth/Neptune/Jupiter-like is somewhat in the same orbit as they are.
Hence I have a Hot, Cold, (blank), and Eccentric.
Yeah, need to put a clarification on that.

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Re: Exoplanet Table of Firsts/Extremes

Post by Daniel on 15th March 2011, 5:24 pm

where is PSR B1257+12 A planet? this is the small confirm exoplanet found so far, the planet it's about 2 times the mass of the moon
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Re: Exoplanet Table of Firsts/Extremes

Post by Mongo on 16th March 2011, 11:17 am

What about HD 114762? It was discovered in 1989 by David Latham and his team, three years before the PSR B1257+12 system was announced. At the time it was considered to be a small brown dwarf (Msin i = 11.68 Jupiter masses) but today would be considered a large superjovian, with 16 other objects in the EPE with Msin i greater than 11.68 Mj, but smaller than 15 Mj.

The fact that this discovery has been consistently overlooked, and the credit for the first discovery of an extrasolar planet goes to Aleksander Wolszczan for the PSR B1257+12 system in 1990 (or to the Mayor/Queloz team for 51 Peg in 1995 if you consider only planetary systems around main-sequence stars) is a major disservice to the Latham team and to history.

(Although the PSR B1257+12 system was the first extrasolar system recognized at the time to be planetary in nature.)
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Re: Exoplanet Table of Firsts/Extremes

Post by marasama on 16th March 2011, 11:59 am

Daniel wrote:where is PSR B1257+12 A planet? this is the small confirm exoplanet found so far, the planet it's about 2 times the mass of the moon
It's because PSR B1257+12 A was discovered after B & C. This was due to no naming convension.
Hence it is why the name has a capital letter, too. (now, naming convension stated all exoplanets to start as letter "b", be lower case, and the letters given to them in the order of discovery).

Mongo wrote:What about HD 114762? ...
That's because:
Gamma Cephei b = was suspected to have a planet (1988).
HD 114762 = first discovered exoplanet (1989).
but, PSR B1257+12 B/C = first confirmed exoplanet (1992).

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Re: Exoplanet Table of Firsts/Extremes

Post by Mongo on 16th March 2011, 1:30 pm

marasama wrote:
Mongo wrote:What about HD 114762? ...
That's because:
Gamma Cephei b = was suspected to have a planet (1988).
HD 114762 = first discovered exoplanet (1989).
but, PSR B1257+12 B/C = first confirmed exoplanet (1992).
I don't follow. HD 114762 b is the first known extrasolar object that is currently considered a planet. It was considered a brown dwarf when discovered (which explains the lack of general attention the discovery received at the time), but it is now considered to be a planet, not because its physical parameters have changed, but because the definition of a planet has evolved over time, and now includes it. In my opinion it should be listed as the first actually existing extrasolar planet to be discovered.
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Re: Exoplanet Table of Firsts/Extremes

Post by marasama on 16th March 2011, 2:05 pm

Mongo wrote:I don't follow. HD 114762 b is the first known extrasolar object that is currently considered a planet. It was considered a brown dwarf when discovered (which explains the lack of general attention the discovery received at the time), but it is now considered to be a planet, not because its physical parameters have changed, but because the definition of a planet has evolved over time, and now includes it. In my opinion it should be listed as the first actually existing extrasolar planet to be discovered.
It's symantics.

So, HD 114762 b was first discovered, but not verified.
PSR B1257 B/C was discovered second, but confirmed before HD 114762 b.

In other words. I could say I discovered a planet right now. But until it's verified, my claim is not taken.
Same with HD 114762 b, it was discovered, but until the team can prove it, it don't count.
PSR B1257 B/C was proven before HD 114762 b.

Because, anyone can make claims to be first.
But the one that is verified is the one that counts.

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Re: Exoplanet Table of Firsts/Extremes

Post by Mongo on 16th March 2011, 2:39 pm

But it was verified in 1991 by a different group:

Constraints on the companion object to HD 114762

So it was discovered and announced by one group, and verified by another group before any other extrasolar planet was discovered.


Last edited by Mongo on 16th March 2011, 2:43 pm; edited 1 time in total
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Re: Exoplanet Table of Firsts/Extremes

Post by Lazarus on 16th March 2011, 2:43 pm

With HD 114762b it wasn't generally regarded as a firm detection of a planet at the time: they were much more cautious regarding the implications of the mass/inclination degeneracy.
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