64 Draconis

64 Draconis
e Draconis
Observation data
Epoch J2000      Equinox J2000
Constellation Draco[1]
Right ascension 20h 01m 28.65587s[2]
Declination +64° 49′ 15.5038″[2]
Apparent magnitude (V) 5.27[3]
Characteristics
Spectral type M1III[4]
Astrometry
Parallax (π)5.55 ± 0.33[2] mas
Distance590 ± 30 ly
(180 ± 10 pc)
Other designations
HR 7676, HD 190544, HIP 98583, BD+64 1405, SAO 18658
Database references
SIMBADdata

64 Draconis (e Draconis) is a red giant star in the constellation of Draco. Its apparent magnitude is equal to 5.27 and it belongs to the spectral class M1III.

64 Draconis forms a faint naked-eye pair with 65 Draconis 12' away. It is a suspected variable with a brightness range in the Hipparcos photometric filter of 5.29 to 5.33.[5]

In Chinese astronomy, it belongs to the 天廚 (Tiān Chú) (Celestial Kitchen) asterism.

References

  1. ↑ Universe Guide: 64 Draconis
  2. 1 2 3 Van Leeuwen, F (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
  3. ↑ Ducati, J. R (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237....0D.
  4. ↑ Keenan, Philip C; McNeil, Raymond C (1989). "The Perkins catalog of revised MK types for the cooler stars". Astrophysical Journal Supplement Series. 71: 245. Bibcode:1989ApJS...71..245K. doi:10.1086/191373.
  5. ↑ Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.


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