Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Caelum |
γ1 Caeli A | |
Right ascension | 05h 04m 24.40s[1] |
Declination | −35° 28′ 58.69″[1] |
Apparent magnitude (V) | 4.57±0.01[2] |
γ1 Caeli B | |
Right ascension | 05h 04m 24.19s[3] |
Declination | −35° 28′ 56.85″[3] |
Apparent magnitude (V) | 8.07±0.01[2] |
Characteristics | |
γ1 Caeli A | |
Spectral type | K2III-IIIb[4] |
γ1 Caeli B | |
Spectral type | G8IV[5] |
Astrometry | |
γ1 Caeli A | |
Radial velocity (Rv) | 9.96±0.19[1] km/s |
Proper motion (μ) | RA: 125.430±0.283 mas/yr[1] Dec.: −44.017±0.315 mas/yr[1] |
Parallax (π) | 17.6430 ± 0.1673 mas[1] |
Distance | 185 ± 2 ly (56.7 ± 0.5 pc) |
γ1 Caeli B | |
Proper motion (μ) | RA: 123.083±0.075[3] mas/yr Dec.: −45.344±0.100[3] mas/yr |
Parallax (π) | 17.3832 ± 0.0490 mas[3] |
Distance | 187.6 ± 0.5 ly (57.5 ± 0.2 pc) |
Details | |
γ1 Caeli A | |
Mass | 1.4+1.1 −0.4[6] M☉ |
Radius | 14.31+0.27 −0.56[1] R☉ |
Luminosity | 69.9±0.8[1] L☉ |
Temperature | 4411+89 −41[1] K |
Metallicity [Fe/H] | -0.1[6] dex |
Rotational velocity (v sin i) | <1[7] km/s |
γ1 Caeli B | |
Mass | 0.91[8] M☉ |
Surface gravity (log g) | 4.45[8] cgs |
Temperature | 5,702[8] K |
Metallicity [Fe/H] | -0.1[8] dex |
Other designations | |
A: CD−35 2089A, HD 32831A, WDS J05044-3529A | |
B: CD−35 2089B, HD 32831B, WDS J05044-3529B | |
Database references | |
SIMBAD | The system |
A | |
B |
Gamma1 Caeli, Latinized from γ1 Caeli, is a double star in the constellation Caelum. It consists of a K-type giant, and a G-type subgiant.
GaiaDR2C1
was invoked but never defined (see the help page).Tycho2000
was invoked but never defined (see the help page).GaiaDR2C2
was invoked but never defined (see the help page).Keenan1989
was invoked but never defined (see the help page).Corba1984
was invoked but never defined (see the help page).Char2020
was invoked but never defined (see the help page).Med2014
was invoked but never defined (see the help page).Anders2019
was invoked but never defined (see the help page).