Omicron Coronae Borealis
From Infogalactic: the planetary knowledge core
Observation data Epoch J2000.0 Equinox J2000.0 |
|
---|---|
Constellation | Corona Borealis |
Right ascension | 15h 20m 08.559s[1] |
Declination | +29° 36′ 58.35″[1] |
Apparent magnitude (V) | +5.51 |
Characteristics | |
Spectral type | K0 III |
Astrometry | |
Proper motion (μ) | RA: -117.98 ± 0.18[1] mas/yr Dec.: -42.44 ± 0.31[1] mas/yr |
Parallax (π) | 12.08 ± 0.44[1] mas |
Distance | 270 ± 10 ly (83 ± 3 pc) |
Details | |
Mass | 2.13 (1.90–2.14) M☉ |
Radius | 10.5 (9.8–11.2) R☉ |
Luminosity | 51.2 L☉ |
Surface gravity (log g) | 2.34 ± 0.06 cgs |
Temperature | 4749 ± 20 K |
Metallicity | −0.29 ± 0.03 |
Age | ? years |
Other designations | |
Database references | |
SIMBAD | data |
Exoplanet Archive | data |
Extrasolar Planets Encyclopaedia |
data |
Omicron Coronae Borealis (o CrB) is a K-type clump giant with one confirmed planet., believed to be, like HD 100655 b, one of the two least massive planets known around clump giants.[2]
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | >1.5 MJ | 0.83 | 187.83 ± 0.54 | 0.191 ± 0.085 | — | — |
References
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