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Binary star system in the constellation Camelopardalis From Wikipedia, the free encyclopedia
36 Camelopardalis is a single star[11] in the northern circumpolar constellation of Camelopardalis. It is visible to the naked eye as a dim point of light with an apparent visual magnitude of +5.3. Parallax measurements provide a distance estimate of approximately 710 light years away from the Sun, and it is drifting away from the Earth with a radial velocity of −1.15 km/s.
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
---|---|
Constellation | Camelopardalis |
Right ascension | 06h 12m 51.06255s[1] |
Declination | +65° 43′ 06.3160″[1] |
Apparent magnitude (V) | 5.344[2] |
Characteristics | |
Spectral type | K1 III-IIIb CH-0.5[3] |
U−B color index | +2.708[4] |
B−V color index | +0.764[4] |
Astrometry | |
Radial velocity (Rv) | +1.15±0.13[5] km/s |
Proper motion (μ) | RA: +6.240[1] mas/yr Dec.: −31.308[1] mas/yr |
Parallax (π) | 4.5905 ± 0.0728 mas[1] |
Distance | 710 ± 10 ly (218 ± 3 pc) |
Absolute magnitude (MV) | −1.33[6] |
Details | |
Mass | 1.24[7] M☉ |
Radius | 42[8] R☉ |
Luminosity | 714[8] L☉ |
Surface gravity (log g) | 1.26[7] cgs |
Temperature | 4,589[8] K |
Metallicity [Fe/H] | −0.11[7] dex |
Rotational velocity (v sin i) | 3.0[9] km/s |
Other designations | |
Database references | |
SIMBAD | data |
36 Camelopardalis has a stellar classification of K1 III-IIIb, which indicates that it is a K-type giant star with a mild underabundance of CH molecules in its spectrum. At present it has 1.24 times the mass of the Sun but has expanded to an enlarged diameter of 42 R☉. It shines at 714 L☉ from its photosphere at an effective temperature of 4,589 K, giving it an orange glow. 36 Cam's metallicity is around solar level and spins slowly with a projected rotational velocity of 3 km/s.
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