Astronomy:HR 2096

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Short description: Star in the constellation Auriga
HR 2096
Observation data
{{#ifeq:J2000|J2000.0 (ICRS)|Epoch J2000.0      Equinox J2000.0 (ICRS)| Epoch J2000      [[Astronomy:Equinox (celestial coordinates)|Equinox J2000}}
Constellation Auriga[1]
A
Right ascension  06h 00m 18.8979s[2]
Declination +44° 35′ 31.247″[2]
Apparent magnitude (V) 6.20[3]
B
Right ascension  06h 00m 18.8991s[4]
Declination +44° 35′ 31.246″[4]
Apparent magnitude (V) 6.233
Characteristics
Spectral type K2III[5]
Astrometry
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
Details
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
SIMBADdata

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.[6] It is not a member of any known moving group of stars.[7]

References

  1. Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode2012AstL...38..331A  XHIP record for this object at VizieR.
  2. 2.0 2.1 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940  Gaia DR3 record for this source at VizieR.
  3. Oja, T. (1991). "UBV photometry of stars whose positions are accurately known. VI.". Astronomy and Astrophysics Supplement Series 89: 415. Bibcode1991A&AS...89..415O. 
  4. 4.0 4.1 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940  Gaia DR3 record for this source at VizieR.
  5. Stephenson, C. B. (1960). "A study of visual binaries having primaries above the main sequence". The Astronomical Journal 65: 60. doi:10.1086/108191. Bibcode1960AJ.....65...60S. 
  6. Stephenson, C. B. (1960). "A study of visual binaries having primaries above the main sequence". Astronomical Journal 65: 60–79. doi:10.1086/108191. Bibcode1960AJ.....65...60S. 
  7. 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. doi:10.1051/0004-6361:20041272. Bibcode2005A&A...430..165F. 

Components

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