Planet HD 219666 b

Name HD 219666 b
Planet Status Confirmed
Discovered in 2018
Mass 0.0522 (± 0.0041) MJ
Mass*sin(i)
Semi-Major Axis 0.06356 (± 0.00265) AU
Orbital Period 6.03607 (± 0.00064) day
Eccentricity 0.0
ω
Tperi
Radius 0.4202 (± 0.0152) RJ
Inclination 86.38 (± 0.15) deg
Update 2018-12-18
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2458329.1996 (± 0.0012) JD
Secondary transit
λ
Impact Parameter b 0.838 (± 0.013)
Time Vr=0
Velocity Semiamplitude K 6.17 (± 0.46) m/s
Calculated temperature 1073.0 (± 20.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 219666
Name HD 219666
Distance 94.4 (± 0.3) pc
Spectral type
Apparent magnitude V
Mass 0.92 (± 0.03) MSun
Age 10.0 (± 2.0) Gyr
Effective temperature 5527.0 (± 65.0) K
Radius 1.03 (± 0.03) RSun
Metallicity [Fe/H] 0.04 (± 0.04)
Detected Disc
Magnetic Field
RA2000 23:18:14.0
Dec2000 -56:54:14
Alternate Names
Planetary system 1 planet

More data


Related publications

WASP-South detection of HD219666b transits provides an accurate ephemeris
2019 HELLIER C., ANDERSON D., GILL S. & WEST R.
Res. Notes AAS, 3, 156
paper  arxiv  

HD219666b: a hot-Neptune from TESS Sector 1
2018 ESPOSITO M., ARMSTRONG D., GANDOLFI D., ADIBEKYAN V., FRIDLUND M. et al.
Astron. & Astrophys., submitted
arxiv