Planet HD 177830 Ab

Detailed information about planet HD 177830 Ab and its parameters.

Planet

Name
HD 177830 Ab
Planet Status
Confirmed
Discovered in
1999
Publication
Status
Published in a refereed paper
Update
2024-07-28
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
0.020708 arcsec
ω
Tperi
Radius
Inclination
Detection Method
Radial Velocity
Mass Meas. Method
Radius Meas. Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
31.6 ( ± 0.6 ) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names
HD 177830 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

22 Nov. 2000: From astrometry Han et al (2000) claim a preliminary mass of 55 MJ and inclination of 1.3o
28 Jul. 2024: See also Planets in Binaries webpage.

Star

Name
HD 177830 A
Distance
Spectral type
K0IV
Apparent magnitude V
7.18
Apparent magnitude I
Apparent magnitude J
Apparent magnitude H
Apparent magnitude K
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
19:05:20.0
Dec2000
+25:55:14.0
Alternate Names
HD 177830

HD 177830 forms a binary system with an M dwarf companion star 100-200 AUs away.

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