Mu1 Chamaeleontis

μ1 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[1] mas
Distance380 ± 10 ly
(115 ± 4 pc)
Absolute magnitude (MV)1.15[6]
Details
Surface gravity (log g)4.15[6] cgs
Other designations
CPD−81° 399, FK5 3980, HD 87971, HIP 49065, HR 3983, SAO 258554
Database references
SIMBADdata

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

  1. 1 2 3 4 5 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.
  2. 1 2 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.
  3. 1 2 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.
  4. 1 2 Johnson, H. L. (1966). "UBVRIJKL Photometry of the Bright Stars". Communications of the Lunar and Planetary Laboratory. 4: 99. Bibcode:1966CoLPL...4...99J.
  5. ↑ 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.
  6. 1 2 3 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.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.