Planet HN Peg b

Detailed information about planet HN Peg b and its parameters.

Planet

Name
HN Peg b
Planet Status
Confirmed
Discovered in
2007
Update
2024-08-21
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Detection Method
Imaging, Astrometry
Mass Meas. Method
Astrometry
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
HD 206860 b, GJ 9751 b, LUH 4 b, 2MASS J21442847+1446077
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Spectral type T2.5.

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Star

Name
HN Peg
Distance
Spectral type
G0V
Apparent magnitude V
6.0
Mass
Age
Effective temperature
5927.14 ( ± 145.777 ) K
Radius
1.01 ( ± 0.0542 ) RSun
Metallicity [Fe/H]
-0.036 ( ± 0.0132 )
Detected Disc
Magnetic Field
RA2000
21:44:31.0
Dec2000
+14:46:19.0
Alternate Names
HD 206860, GJ 9751, LUH 4

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No link