Planet Qatar-8 b

Name Qatar-8 b
Planet Status Confirmed
Discovered in 2019
Mass 0.371 (± 0.062) MJ
Mass*sin(i)
Semi-Major Axis 0.0474 (± 0.0008) AU
Orbital Period 3.71495 (± 0.001) day
Eccentricity 0.0
ω
Tperi
Radius 1.285 (± 0.022) RJ
Inclination 89.29 (± 0.7) deg
Update 2019-03-25
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit
Secondary transit 2458210.8398 (± 0.00085) JD
λ
Impact Parameter b 0.096 (± 0.093)
Time Vr=0
Velocity Semiamplitude K 47.7 (± 8.0) m/s
Calculated temperature 1457.0 (± 14.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

Qatar-8
Name Qatar-8
Distance 276.7 (± 3.4) pc
Spectral type GOV
Apparent magnitude V 11.5
Mass 1.029 (± 0.051) MSun
Age 8.3 (± 2.1) Gyr
Effective temperature 5687.0 (± 50.0) K
Radius 1.315 (± 0.02) RSun
Metallicity [Fe/H] 0.025 (± 0.07)
Detected Disc
Magnetic Field
RA2000 10:29:39.0
Dec2000 +70:31:38
Alternate Names
Planetary system 1 planet

More data


Related publications

Qatar Exoplanet Survey: Qatar-8b, 9b and 10b --- A Hot Saturn and Two Hot Jupiters
2019 ALSUBAI Kh., TSVETANOV Z., PYRZAS S., LATHAM D., BIERYLA A. et al.
Astron. J., 157, 224
paper  arxiv