Planet HD 187123 b

Detailed information about planet HD 187123 b and its parameters.

Planet

Name
HD 187123 b
Planet Status
Confirmed
Discovered in
1998
Publication
Status
—
Update
2026-07-21
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
0.000852 arcsec
ω
Tperi
Radius
—
Inclination
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
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
HIP 97336 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference
H2O
Measurements Detected 6σ 2020 - BUZARD C.

Pulsations and spots cannot be ruled out.
Second planet to be confirmed.
No transit found (Castellano 2000, Robb et al. 2000)

Star

Name
HD 187123
Distance
50.0 pc
Spectral type
G5V
Apparent magnitude V
7.86
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.06 MSun
Age
Effective temperature
Radius
Metallicity [Fe/H]
0.16
Detected Disc
—
Magnetic Field
—
RA2000
19:46:57.0
Dec2000
+34:25:15.0
Alternate Names
HIP 97336

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