Planet Qatar-2 b
| Name | Qatar-2 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2011 | ||
| Mass | 2.494 ( -0.054 +0.054 ) MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.02153 ( -0.0002 +0.0002 ) AU | |
|
| Orbital Period | 1.33711647 ( -2.6e-07 +2.6e-07 ) day | |
|
| Eccentricity | 0.0 | |
|
| ω | — | ||
| Tperi | — | ||
| Radius | 1.254 ( -0.013 +0.013 ) RJ | |
|
| Inclination | 86.12 ( -0.08 +0.08 ) deg | |
|
| Update | 2021-02-05 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | — | ||
| Radius Detection Method | — | ||
| Primary transit | 2455624.26679 (± 0.00011) JD | |
|
| Secondary transit | — | ||
| λ | 15.0 (± 20.0) deg | |
|
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 558.7 ( -5.9 +5.9 ) m/s | |
|
| Calculated temperature | 1344.0 ( -14.0 +14.0 ) K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | 2MASS J13503740-0648145 b, EPIC 212756297.01, GSC 04974-00112 b, WISE J135037.33-064814.5 b |
Star
Qatar-2| Name | Qatar-2 | ||
| Distance | 182.32 ( -1.21 +1.21 ) pc | ||
| Spectral type | K | ||
| Apparent magnitude V | 13.3 | ||
| Mass | 0.74 (± 0.037) MSun | |
|
| Age | 5.0 Gyr | ||
| Effective temperature | 4645.0 (± 50.0) K | |
|
| Radius | 0.78 ( -0.01 +0.01 ) RSun | ||
| Metallicity [Fe/H] | 0.02 ( -0.08 +0.08 ) | ||
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 13:50:37.4 | ||
| Dec2000 | -06:48:15 | ||
| Alternate Names | 2MASS J13503740-0648145, EPIC 212756297, GSC 04974-00112, WISE J135037.33-064814.5 | ||
| Planetary system | 1 planet |
Related publications
A New Analysis of 8 Spitzer Phase Curves and Hot Jupiter Population Trends: Qatar-1b, Qatar-2b, WASP-52b, WASP-34b, and WASP-140b
2022
MAY E., STEVENSON K., BEAN J., BELL T., COWAN N. et al.
Astron. J., 163, 256
paper arxiv
Homogeneously derived transit timings for 17 exoplanets and reassessed TTV trends for WASP-12 and WASP-4
2019
BALUEV R., SOKOV E., JONES H., SHAIDULIN V., SOKOVA I. et al.
MNRAS, 490, 1294
paper arxiv
Activity induced variation in spin-orbit angles as derived from Rossiter-McLaughlin measurements
2018
OSHAGH M., TRIAUD A., BURDANOV A., FIGUEIRA P., REINERS A. et al.
Astron. & Astrophys., 619, A150
paper arxiv
The stellar obliquity, planet mass, and very low albedo of Qatar-2 from K2 Photometry
2017
DAI, F., WINN, J., YU, L. & S. ALBRECHT
Astron. J., 153, 40
paper arxiv
ADS
The GAPS Programme with HARPS-N at TNG. XIII. The orbital obliquity of three close-in massive planets hosted by dwarf K-type stars: WASP-43, HAT-P-20 and Qatar-2
2017
ESPOSITO M., COVINO E., DESIDERA S., MANCINI L., NASCIMBENI V. et al.
Astron. & Astrophys., 601, A63
paper arxiv ADS
Transiting exoplanet candidates from K2 Campaigns 5 and 6
2016
POPE B., PARVIAINEN H. & AIGRAIN S.
MNRAS, 461, 3399
arxiv
paper
ADS
Recurring sets of recurring starspots on exoplanet-host Qatar-2
2016
MOČNIK, T., SOUTHWORTH, J. & C. HELLIER
arxiv
paper
ADS
A comparison of gyrochronological and isochronal age estimates for transiting exoplanet host stars
2015
MAXTED P., SERENELLI A. & SOUTHWORTH J.
Astron. & Astrophys., 577, A90
paper arxiv
Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry
2014
MANCINI L., SOUTHWORTH J., CICERI S., TREGLOAN-REED J., CROSSFIELD I. et al.
Monthly Notices of the Royal Astronomical Society, 443, 2391
ADS
Qatar-2: A K Dwarf Orbited by a Transiting Hot Jupiter and a Longer-Period Massive Planet
2012
BYAN M., ALSUBAI K., LATHAM D., QUINN S., COLLIER-CAMERON A. & 2 additional authors
BAAS, 44, no1, 339.14
abstract
Factors Affecting the Radii of Close-in Transiting Exoplanets
2012
ENOCH B., COLLIER CAMERON A. & HORNE K.
Astron. & Astrophys., 540, A99
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A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012
HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper arxiv
Qatar-2: A K dwarf orbited by a transiting hot Jupiter and a more massive companion in an outer orbit
2011
BRYAN M., ALSUBAI K., LATHAM D., PARLEY N., COLLIER-CAMERON A. & 21 additional authors
ApJ. Letters
arxiv
The Exoplanet Handbook
2011
PERRYMAN M.
Content
Content and Chapter 5
