69 Ceti

69 Ceti
Observation data
Epoch J2000      Equinox J2000
Constellation Cetus
Right ascension 02h 21m 56.62767s[1]
Declination +00° 23′ 44.4246″[1]
Apparent magnitude (V) 5.287[2]
Characteristics
Spectral type M1/2III[3]
U−B color index +1.85[4]
B−V color index +1.65[4]
Astrometry
Radial velocity (Rv)22.8 ± 2[5] km/s
Proper motion (μ) RA: -12.73[1] mas/yr
Dec.: -7.58[1] mas/yr
Parallax (π)3.03 ± 0.26[1] mas
Distance1,080 ± 90 ly
(330 ± 30 pc)
Absolute magnitude (MV)-2.73[6]
Other designations
BD−00° 355, HD 14652, HIP 11021, HR 689, SAO 110495
Database references
SIMBADdata

69 Ceti (69 Cet) is a red giant star in the constellation Cetus. Its apparent magnitude is 5.287.[2]

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. Bibcode:2007A&A...474..653V. arXiv:0708.1752 Freely accessible. 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. ↑ Houk, N.; Swift, C. (1999). "Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5". Michigan Spectral Survey. 5: 0. Bibcode:1999MSS...C05....0H.
  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. ↑ Wilson, Ralph Elmer (1953). "General catalogue of stellar radial velocities". Washington. Bibcode:1953GCRV..C......0W.
  6. ↑ Ryon, Jenna; Shetrone, Matthew D.; Smith, Graeme H. (2009). "Comparing the CaiiH and K Emission Lines in Red Giant Stars". Publications of the Astronomical Society of the Pacific. 121 (882): 842. Bibcode:2009PASP..121..842R. arXiv:0907.3346 Freely accessible. doi:10.1086/605456.


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