Mu1 Chamaeleontis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Chamaeleon |
| Right ascension | 10h 00m 43.79129s[1] |
| Declination | −82° 12′ 52.8107″[1] |
| Apparent magnitude (V) | 5.520[2] |
| Characteristics | |
| Spectral type | A0IV[3] |
| U−B color index | +0.05[4] |
| B−V color index | +0.03[4] |
| Astrometry | |
| Radial velocity (Rv) | 16.00 ± 10[5] km/s |
| Proper motion (μ) | RA: -26.34[1] mas/yr Dec.: 31.27[1] mas/yr |
| Parallax (π) | 8.69 ± 0.29 mas[1] |
| Distance | 380 ± 10 ly (115 ± 4 pc) |
| Absolute magnitude (MV) | 1.15[6] |
| Details | |
| Surface gravity (log g) | 4.15[6] cgs |
| Other designations | |
| Database references | |
| SIMBAD | data |
Mu1 Chamaeleontis (μ1 Cha) is a star located in the constellation Chamaeleon. Mu1 Chamaeleontis is also known as HR 3983, and HD 87971. Its apparent magnitude is 5.520.[2]
Mu1 Chamaeleontis is an A-type subgiant star.[3] It has an absolute magnitude of 1.15.[6] It is located 380 light-years, or 115 parsecs, away from the Sun.
References
- ^ a b c d e van Leeuwen, F.; et al. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ^ a b Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H.
- ^ a b Houk, N.; Cowley, A. P. (1975). "University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90°.0 to -53°.0". Michigan Catalogue of two-dimensional spectral types for the HD stars. 1. Bibcode:1975mcts.book.....H.
- ^ a b Johnson, H. L. (1966). "UBVRIJKL Photometry of the Bright Stars". Communications of the Lunar and Planetary Laboratory. 4: 99. Bibcode:1966CoLPL...4...99J.
- ^ Kharchenko, N. V.; et al. (2007). "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ~55000 stars and mean radial velocities of 516 Galactic open clusters and associations". Astronomische Nachrichten. 328 (9): 889. arXiv:0705.0878. Bibcode:2007AN....328..889K. doi:10.1002/asna.200710776.
- ^ a b c Philip, A. Davis; Egret, D. (1980). "An Analysis of the Hauck / Mermilliod Catalogue of Homgeneous Four-Color Data - Part Two". Astronomy and Astrophysics Supplement. 40: 199. Bibcode:1980A&AS...40..199P.
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