Planet HATS-21 b

Name HATS-21 b
Planet Status Confirmed
Discovered in 2016
Mass 0.332 ( -0.03 +0.04 ) MJ
Mass*sin(i)
Semi-Major Axis 0.04676 (± 0.00038) AU
Orbital Period 3.5543973 (± 5.8e-06) JD
Eccentricity 0.0
ω
Tperi
Radius 1.123 ( -0.054 +0.147 ) RJ
Inclination 85.04 ( -0.65 +0.23 ) deg
Update 2016-07-28
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Molecules
Primary transit 2457109.22538 (± 0.00057) JD
Secondary transit
λ
Impact Parameter b 0.853 ( -0.014 +0.034 )
Time Vr=0
Velocity Semiamplitude K 41.6 (± 4.3) m/s
Calculated temperature 1284.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HATS-21
Name HATS-21
Distance 286.0 ( -12.0 +24.0 ) pc
Spectral type G4V
Apparent magnitude V 12.2
Mass 1.08 (± 0.026) MSun
Age 2.3 (± 1.7) Gyr
Effective temperature 5695.0 (± 67.0) K
Radius 1.021 ( -0.036 +0.089 ) RSun
Metallicity [Fe/H] 0.3 (± 0.04)
Detected Disc
Magnetic Field
RA2000 18:40:44.0
Dec2000 -58:27:33
Alternate Names
Planetary system 1 planet

More data


Related publications

HATS-19b, HATS-20b, HATS-21b: Three Transiting Hot-Saturns Discovered by the HATSouth Survey
2016 BHATTI W., BAKOS G., HARTMAN J., ZHOU G., PENEV K. et al.
ApJ, submitted
arxiv