Gamma1 Octantis
Yellow-hued giant star in the constellation Octans / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Gamma1 Octantis?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
Gamma1 Octantis, Latinized from γ1 Octantis, is a single,[10] yellow-hued star in the constellation which includes the southern celestial pole, Octans. Its apparent visual magnitude is 5.10,[2] meaning that in good conditions it is bright enough to be faintly visible to the naked eye.
For other stars with this Bayer designation, see γ Octantis.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Octans |
Right ascension | 23h 52m 06.48895s[1] |
Declination | −82° 01′ 07.7489″[1] |
Apparent magnitude (V) | 5.10[2] |
Characteristics | |
Spectral type | G7III[3] |
U−B color index | +0.60[4] |
B−V color index | +0.92[4] |
Astrometry | |
Radial velocity (Rv) | +15.4±0.1[5] km/s |
Proper motion (μ) | RA: −48.74[1] mas/yr Dec.: −21.16[1] mas/yr |
Parallax (π) | 12.30 ± 0.17 mas[1] |
Distance | 265 ± 4 ly (81 ± 1 pc) |
Absolute magnitude (MV) | 0.55[2] |
Details | |
Mass | 1.81[6] M☉ |
Radius | 11[6] R☉ |
Luminosity | 68.74[2] L☉ |
Surface gravity (log g) | 2.64[6] cgs |
Temperature | 5,150[7] K |
Metallicity [Fe/H] | −0.34[8] dex |
Rotational velocity (v sin i) | 1.8[9] km/s |
Other designations | |
Database references | |
SIMBAD | data |
Close