Planet NGTS-8 b

Name NGTS-8 b
Planet Status Confirmed
Discovered in 2019
Mass 0.93 (± 0.04) MJ
Mass*sin(i)
Semi-Major Axis 0.035 (± 0.001) AU
Orbital Period 2.4997 (± 1e-05) day
Eccentricity 0.01 ( -0.01 +0.014 )
ω
Tperi
Radius 1.09 (± 0.03) RJ
Inclination 86.9 (± 0.5) deg
Update 2019-11-11
Detection Method Primary Transit
Mass Detection Method Spectrum
Radius Detection Method Primary Transit
Primary transit 2457500.1783 (± 0.00072) JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 149.95 (± 3.56) m/s
Calculated temperature 1345.0 (± 19.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

NGTS-8
Name NGTS-8
Distance 434.273 (± 5.639) pc
Spectral type KOV
Apparent magnitude V 13.68
Mass 0.89 (± 0.05) MSun
Age 12.48 ( -3.68 +3.23 ) Gyr
Effective temperature 5241.0 (± 50.0) K
Radius 0.98 (± 0.02) RSun
Metallicity [Fe/H] 0.24 (± 0.09)
Detected Disc
Magnetic Field
RA2000 21:55:54.0
Dec2000 -14:04:06
Alternate Names
Planetary system 1 planet

More data


Related publications

NGTS-8b and NGTS-9b: two non-inflated hot-Jupiters
2020 COSTES J., WATSON Ch., BELARDI C., BRAKER I., BURLEIGH M. et al.
MNRAS, 491, 2834
paper  arxiv