2 Aurigae

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2 Aurigae
2 Aurigae-wiki-01-adj.jpg
2 Aurigae in optical light
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Auriga
Right ascension  04h 52m 37.98097s
Declination +36° 42′ 11.4789″
Apparent magnitude (V) +4.79[1]
Spectral type K3III[1]
Parallax (π)6.3340 ± 0.2695[2] mas
Distance510 ± 20 ly
(158 ± 7 pc)
Absolute magnitude (MV)–1.84[1]
Other designations
BD+36 952, HD 30834, HIP 22678, HR 1551, SAO 57475
Database references

2 Aurigae is a giant star in the constellation Auriga. Its apparent magnitude is 4.79.

It forms an attractive four-star asterism when viewed in a low power eyepiece, together with the nearby HIP 22647 and another very loose visual pair, HIP 22776 and HIP 22744, all above magnitude 8.


  1. ^ a b c Jasniewicz, G.; et al. (February 1999), "Late-type giants with infrared excess. I. Lithium abundances", Astronomy and Astrophysics, 342: 831–838, Bibcode:1999A&A...342..831J
  2. ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.

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