Sirius_Alpha Admin
Number of posts : 4320 Location : Earth Registration date : 2008-04-06
| Subject: Kepler-167 : A transiting Jupiter analogue in a multi-super-Earth system 1st March 2016, 9:34 pm | |
| A Transiting Jupiter Analog http://arxiv.org/abs/1603.00042 - Quote :
- Decadal-long radial velocity surveys have recently started to discover analogs to the most influential planet of our solar system, Jupiter. Detecting and characterizing these worlds is expected to shape our understanding of our uniqueness in the cosmos. Despite the great successes of recent transit surveys, Jupiter analogs represent a terra incognita, owing to the strong intrinsic bias of this method against long orbital periods. We here report on the first validated transiting Jupiter analog, Kepler-167e (KOI-490.02), discovered using Kepler archival photometry orbiting the K4-dwarf KIC-3239945. With a radius of (0.91 ± 0.02) RJ, a low orbital eccentricity (0.06+0.10 −0.04) and an equilibrium temperature of (131±3) K, Kepler-167e bears many of the basic hallmarks of Jupiter. Kepler-167e is accompanied by three Super-Earths on compact orbits, which we also validate, leaving a large cavity of transiting worlds around the habitable-zone. With two transits and continuous photometric coverage, we are able to uniquely and precisely measure the orbital period of this post snow-line planet (1071.2323±0.0006 d), paving the way for follow-up of this K = 11.8 mag target.
_________________ Caps Lock: Cruise control for 'Cool'!
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Edasich dK star
Number of posts : 2288 Location : Tau Ceti g - Mid Latitudes Registration date : 2008-06-02
| Subject: Re: Kepler-167 : A transiting Jupiter analogue in a multi-super-Earth system 2nd March 2016, 5:29 am | |
| A transiting Jupiter-like planet! A Transiting Jupiter Analog - Quote :
- Decadal-long radial velocity surveys have recently started to discover analogs to the most influential planet of our solar system, Jupiter. Detecting and characterizing these worlds is expected to shape our understanding of our uniqueness in the cosmos. Despite the great successes of recent transit surveys, Jupiter analogs represent a terra incognita, owing to the strong intrinsic bias of this method against long orbital periods. We here report on the first validated transiting Jupiter analog, Kepler-167e (KOI-490.02), discovered using Kepler archival photometry orbiting the K4-dwarf KIC-3239945. With a radius of $(0.91\pm0.02)$ $R_{\mathrm{Jup}}$, a low orbital eccentricity ($0.06_{-0.04}^{+0.10}$) and an equilibrium temperature of $(131\pm3)$ K, Kepler-167e bears many of the basic hallmarks of Jupiter. Kepler-167e is accompanied by three Super-Earths on compact orbits, which we also validate, leaving a large cavity of transiting worlds around the habitable-zone. With two transits and continuous photometric coverage, we are able to uniquely and precisely measure the orbital period of this post snow-line planet ($1071.2323\pm0.0006$ d), paving the way for follow-up of this $K=11.8$ mag target.
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Sirius_Alpha Admin
Number of posts : 4320 Location : Earth Registration date : 2008-04-06
| Subject: Re: Kepler-167 : A transiting Jupiter analogue in a multi-super-Earth system 2nd March 2016, 7:41 am | |
| Duplicate merged. _________________ Caps Lock: Cruise control for 'Cool'!
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Lazarus dF star
Number of posts : 3337 Registration date : 2008-06-12
| Subject: Re: Kepler-167 : A transiting Jupiter analogue in a multi-super-Earth system 2nd March 2016, 1:50 pm | |
| Impressive. I recall some theories that Jupiters would tend to drive systems away from coplanarity, so seeing this as a multi-transiting system is interesting. | |
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tommi59 Jovian
Number of posts : 596 Age : 46 Location : Baile Atha Cliath Registration date : 2010-07-31
| Subject: Re: Kepler-167 : A transiting Jupiter analogue in a multi-super-Earth system 2nd March 2016, 2:03 pm | |
| Jupiters tend systems to drive away from coplanarity but we do not know mass of planet e this most likely has saturn mass and it could matter | |
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Lazarus dF star
Number of posts : 3337 Registration date : 2008-06-12
| Subject: Re: Kepler-167 : A transiting Jupiter analogue in a multi-super-Earth system 11th March 2016, 8:04 pm | |
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| Subject: Re: Kepler-167 : A transiting Jupiter analogue in a multi-super-Earth system | |
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