Planet Fomalhaut b

Detailed information about planet Fomalhaut b and its parameters.

Planet

Name
Fomalhaut b
Planet Status
Controversial
Discovered in
2008
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Update
2022-11-15
Detection Method
Imaging
Mass Detection Method
Spectrum
Radius Detection 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

25 Oct 2012: According to Currie et al. 2012, the images of the Fomalhaut system are still compatible with a 2 MJup mass dust-enshrouded planet.
22 Sep 2011: Doubts have been raised by Ray Jayawardhana at the Extreme Solar Systems II Conference. New HST observations are planned in 2012.
See Nature News (E. Hand).
23 Jun. O5: The value a = 40 AU is approximative (Stapelfeldt et al 2004)

Star

Presence of several debris disks (Holland et al. 2003)

The star has a companion Fomalhaut B (=TW PsA): See http://cdsannotations.u-strasbg.fr/annotations/simbadObject/1235748 (Mamajek 2011)