CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

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CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by Sirius_Alpha on 19th October 2012, 12:44 pm

CHEOPS Will Study Super-Earths
http://spaceref.com/extrasolar-planets/cheops-will-study-super-earths.html

Studying planets around other stars will be the focus of the new Small-class Science Programme mission, Cheops, ESA announced today. Its launch is expected in 2017. Cheops - for CHaracterising ExOPlanets Satellite - will target nearby, bright stars already known to have planets orbiting around them.

In turn, this will allow an accurate measurement of the radius of the planet. For those planets with a known mass, the density will be revealed, providing an indication of the internal structure. These key parameters will help scientists to understand the formation of planets from a few times the mass of the Earth - 'super-Earths' - up to Neptune-sized worlds.

Mission website: http://cheops.unibe.ch/

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Re: CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by Lazarus on 19th October 2012, 1:49 pm

Not to be confused with ZIMPOL/CHEOPS...
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Re: CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by ExA on 19th October 2012, 4:49 pm

How does this project influence possible development of telescopes like Echo or TESS?
Will it prove useful in possible search for planets in Alpha Centauri?

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Re: CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by pochimax on 20th October 2012, 2:09 pm

ExA wrote:How does this project influence possible development of telescopes like Echo or TESS?
Will it prove useful in possible search for planets in Alpha Centauri?
It is an ESA mission, so TESS will not be affected. But, in my opinion, the approval of CHEOPS is bad news for Echo.

I suppose this telescope can detect transits of earth sized planets in Alpha Centauri. The new planet has about ten percent probability to transit.
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Re: CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by ExA on 20th October 2012, 3:49 pm

CHEOPS executive summary states that is designed to support Echo

http://cheops.unibe.ch/index.php/executive-summary
Provide unique targets for future ground- (e.g. E-ELT) and space-based (e.g. JWST, EChO) facilities with spectroscopic capabilities.

But I am afraid that two dedicated exoplanet missions might be a bit optimistic, especially as E-ELT will be developed right after Cheops will finish its work.

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Re: CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by Led_Zep on 12th May 2013, 8:49 pm

A first paper from the CHEOPS team :
http://arxiv.org/abs/1305.2270


CHEOPS will fill the gap in transit follow-up capability for bright stars in the sky. It will target approx.
500 targets of interest in its 3.5 year mission. CHEOPS will:

 -Determine the mass-radius relation in a planetary mass range for which only a handful of data exist
and to a precision never before achieved.

- Identify planets with significant atmospheres as a function of their mass, distance to the star, and
stellar parameters.

 -Place constraints on possible planet migration paths followed during formation and evolution for
planets where the clear presence of a massive gaseous envelope cannot be discerned.

 -Detect the phase variations of a handful of known Hot Jupiter in order to study the physical mechanisms
and eciency of the energy transport from the dayside to the night side of the planet.

- Provide unique targets for future ground- (e.g. E-ELT) and space-based (e.g. JWST, EChO) facilities
with spectroscopic capabilities. With well-determined radii and masses, the CHEOPS planets
will constitute the best target sample within the solar neighbourhood for such future studies.

 - Offer up to 20% of open time to the community to be allocated through competitive scientific review.
CHEOPS will have the capability to provide precise photometric measurements (light curves) of a
large number of variable light sources in the universe.
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Re: CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by Phill on 6th July 2013, 12:16 pm

Up to which distance in light years will this 30 cm space telescope be able to detect Super-Earths (maximum 10 Earth masses)?
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Re: CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by Sirius_Alpha on 6th July 2013, 2:31 pm


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Re: CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by Led_Zep on 23rd March 2015, 3:20 pm

http://www.spacedaily.com/reports/ESAs_CHEOPS_Satellite_The_Pharaoh_of_Exoplanet_Hunting_999.html
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Re: CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by Led_Zep on 7th September 2015, 4:06 pm

http://www.spaceref.com/news/viewsr.html?pid=47786

CHEOPS performance for exomoons: The detectability of exomoons by using optimal decision algorithm
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Re: CHEOPS - Small Sub-Jovian Characterisation Mission from ESA

Post by Led_Zep on 6th April 2017, 5:28 pm

http://sci.esa.int/cheops/58971-exoplanet-mission-gets-ticket-to-ride/

A Soyuz rocket operated by Arianespace from Europe's spaceport in Kourou will boost ESA's upcoming exoplanet satellite into space

While the exact launch date remains to be confirmed, CHEOPS is expected to be ready by the end of 2018 for shipping to Kourou, with all testing completed
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