Planet 21 Her (AB) b
Detailed information about planet 21 Her (AB) b and its parameters.
Planet
- Name
- 21 Her (AB) b
- Planet Status
-
Candidate
- Discovered in
-
2002
- Mass
-
36.0 MJ
- Mass*sin(i)
- Semi-Major Axis
- Orbital Period
- Eccentricity
-
—
- ω
-
—
- Tperi
-
—
- Radius
-
—
- Inclination
-
—
- Update
-
2018-12-12
- Detection Method
-
Radial Velocity
- Mass Detection Method
-
Radial Velocity
- Radius Detection Method
-
—
- Primary transit
-
—
- Secondary transit
-
—
- λ
-
—
- Impact Parameter b
-
—
- Time Vr=0
-
—
- Velocity Semiamplitude K
-
580.0 m/s
- Calculated temperature
-
—
- Measured temperature
-
—
- Hottest point longitude
-
—
- Geometric albedo
-
—
- Surface gravity log(g/gH)
-
—
- Alternate Names
-
o Her b, HD 147869 b, 21 Her b
| Data Source | Type | Result Value | Result Figure | Notes | Reference |
|---|
| Molecule | Data Source | Type | Result Value | Result Figure | Notes | Reference |
|---|
It is a brown dwarf candidate.
No link
Star
- Name
- 21 Her (AB)
- Distance
-
113.45 pc
- Spectral type
-
A+M
- Apparent magnitude V
-
5.82
- Mass
- Age
-
—
- Effective temperature
- Radius
-
—
- Metallicity [Fe/H]
-
—
- Detected Disc
-
—
- Magnetic Field
-
—
- RA2000
-
16:24:10.8
- Dec2000
-
+06:56:53.6
- Alternate Names
-
o Her, HD 147869, 21 Her
This is an evolved spectrospic binary (A+M) potentially surrounded by a brown dwarf. The mass given is the total mass of the primary (~4 solar masses) and the secondary (~0.4 solar masses)
No link
- Simbad
- Most recent references (ADS)