Planet Qatar-2 b

Name Qatar-2 b
Planet Status Confirmed
Discovered in 2011
Mass 2.487 ( -0.086 +0.086 ) MJ
Mass*sin(i)
Semi-Major Axis 0.02149 (± 0.00036) AU
Orbital Period 1.3371182 (± 3.7e-06) day
Eccentricity 0.0
ω
Tperi
Radius 1.144 ( -0.035 +0.035 ) RJ
Inclination 88.3 (± 0.94) deg
Update 2017-02-13
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
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

Qatar-2
Name Qatar-2
Distance
Spectral type K
Apparent magnitude V 13.3
Mass 0.74 (± 0.037) MSun
Age
Effective temperature 4645.0 (± 50.0) K
Radius 0.713 (± 0.018) RSun
Metallicity [Fe/H] 0.0
Detected Disc
Magnetic Field
RA2000 13:50:37.0
Dec2000 -06:48:14
Alternate Names
Planetary system 1 planet

Remarks

Alias 2MASS 13503740-0648145

More data


Related publications

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2018 OSHAGH M., TRIAUD A., BURDANOV A., FIGUEIRA P., REINERS A. et al.
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2017 ESPOSITO M., COVINO E., DESIDERA S., MANCINI L., NASCIMBENI V. et al.
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A comparison of gyrochronological and isochronal age estimates for transiting exoplanet host stars
2015 MAXTED P., SERENELLI A. & SOUTHWORTH J.
Astron. & Astrophys., accepted
arxiv  

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
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abstract

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ApJ. Letters
arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5