HR 2096

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HD 40325
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 06h 00m 18.8991s
Declination +44° 35′ 31.246″
Apparent magnitude (V) 6.233
Spectral type K2III+K0III
Radial velocity (Rv)1.7 km/s
Proper motion (μ) RA: -31.17 mas/yr
Dec.: -38.71 mas/yr
Parallax (π)8.94 ± 0.82 mas
Distance360 ± 30 ly
(110 ± 10 pc)
Absolute magnitude (MV)7.388
Mass0.8 M
Radius0.9 R
Luminosity0.4 L
Temperature3,500–5,000 K
Other designations
HIP 28438, HD 40325, SAO 40769, BD+44° 1332.
Database references

HR 2096, also known as HD 40325 is a double star in the constellation Auriga. It is composed of two ageing orange giants of spectral types K0III and K2III,[1] it is not a member of any known moving group of stars.[2]


  1. ^ Stephenson, C. B. (1960). "A study of visual binaries having primaries above the main sequence". Astronomical Journal. 65: 60–79. Bibcode:1960AJ.....65...60S. doi:10.1086/108191.
  2. ^ Famaey, B.; Jorissen, A.; Luri, X.; Mayor, M.; Udry, S.; Dejonghe, H.; Turon, C. (2005). "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters". Astronomy and Astrophysics. 430: 165–186. arXiv:astro-ph/0409579. Bibcode:2005A&A...430..165F. doi:10.1051/0004-6361:20041272.


NAME Right ascension Declination Apparent magnitude (V) Spectral type Database references
ADS 4576 C 06h 00m 17.5327s +44° 36' 03.07 10.2 Simbad