Planet TW Hya b

Detailed information about planet TW Hya b and its parameters.

Planet

Name
TW Hya b
Planet Status
Candidate
Discovered in
2007
Publication
Status
Published in a refereed paper
Update
2021-09-01
Mass
1.2 ( +0.4 -0.4 ) MJ
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
0.000759 arcsec
ω
Tperi
Radius
Inclination
Detection Method
Other
Mass Meas. Method
Radius Meas. Method
Primary transit
Secondary transit
λ
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
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

23 Aug. 08: Huélamo et al. (2008) conclude that the RV variations are due to a stellar spot
08 Jan. 08: The inclination angle is derived from the inclination of the associated disk (Setiawan et al 2008). With an angle of 7° the true mass is 9.8 ± 3.3 MJ

No link

Star

Name
TW Hya
Distance
54.0 ( ± 5.0 ) pc
Spectral type
K8V
Apparent magnitude V
11.1
Apparent magnitude I
Apparent magnitude J
Apparent magnitude H
Apparent magnitude K
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Imaging
Magnetic Field
RA2000
11:01:52.0
Dec2000
-34:42:17.0
Alternate Names

No remarks

No link