2 Vulpeculae

2 Vulpeculae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Vulpecula
Right ascension 19h 17m 43.637s[1]
Declination +23° 01 31.95[1]
Apparent magnitude (V) 5.43
Characteristics
Spectral type B1 IV[2]
Astrometry
Proper motion (μ) RA: 2.04±0.30[1] mas/yr
Dec.: −2.78±0.30[1] mas/yr
Parallax (π)2.68 ± 0.36[1] mas
Distanceapprox. 1,200 ly
(approx. 370 pc)
Other designations
ES Vul, BD+22° 3648, HD 180968, HIP 94827, HR 7318, SAO 87036
Database references
SIMBADdata

2 Vulpeculae is a subgiant star approximately 1,200 ly away in the constellation Vulpecula.

References

  1. 1 2 3 4 5 van Leeuwen, F. (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. Vizier catalog entry
  2. Rountree, Janet; Sonneborn, George (1991). "Criteria for the spectral classification of B stars in the ultraviolet". Astrophysical Journal. 369: 515. Bibcode:1991ApJ...369..515R. doi:10.1086/169781.

Coordinates: 19h 17m 43.6s, +23° 01′ 32″


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