Planet eta CrB (AB)b

Detailed information about planet eta CrB (AB)b and its parameters.

Planet

Name
eta CrB (AB)b
Planet Status
Confirmed
Discovered in
2001
Publication
Status
—
Update
2025-09-29
Mass
Mass*sin(i)
—
Semi-Major Axis
Orbital Period
—
Eccentricity
—
Angular distance
193.6 arcsec
ω
—
Tperi
—
Radius
Inclination
—
Detection Method
Imaging
Mass Meas. Method
Spectrum
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
eta CrB C, GJ 584 C, 2MASSW J1523226+301456
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Spectral type L8.

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Star

Name
eta CrB
Distance
Spectral type
G0V
Apparent magnitude V
4.98
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
Age
1.75 ( ± 0.75 ) Gyr
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
—
Magnetic Field
—
RA2000
15:23:12.3
Dec2000
+30:17:16.2
Alternate Names
2 CrB, GJ 584, STF 1937, KIR 4

Eta CrB is an eccentric binary system closely resembling Alpha Centauri (P = 15189.1 ± 2.9 d, e = 0.277 ± 0.001, i = 58.7 ± 0.16°) but composed of two Solar-like G type stars (spT G0V + G2V).

No link