Astronomy:HD 41162

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Short description: Binary star in the constellation Auriga
HD 41162
Observation data
Equinox J2000.0]] (ICRS)
Constellation Auriga[1]
Right ascension  06h 05m 02.58111s[2]
Declination +37° 57′ 51.3994″[2]
Apparent magnitude (V) 6.32[1]
Characteristics
Spectral type G8III + F0V:[3]
Apparent magnitude (G) 6.12[2]
B−V color index +0.825±0.005[1]
Astrometry
Radial velocity (Rv)−1.85±0.17[2] km/s
Proper motion (μ) RA: −4.757±0.189[2] mas/yr
Dec.: −7.907±0.145[2] mas/yr
Parallax (π)4.5368 ± 0.2252[2] mas
Distance720 ± 40 ly
(220 ± 10 pc)
Absolute magnitude (MV)0.08[1]
Details
A
Radius7.21+0.25
−0.12
[4] R
Luminosity33.8±1.6[4] L
Temperature5,181+45
−88
[4] K
Rotational velocity (v sin i)1.2±1.3[5] km/s
Other designations
BD+37 1405, HD 41162, HIP 28820, HR 2137, SAO 58716[6]
Database references
SIMBADdata

HD 41162 is a binary star in the northern constellation Auriga. At a combined apparent visual magnitude of 6.32[1], the system is visible to the naked eye. It is located about 720 light-years (220 pc) away.[2]

The primary is a G-type giant star which has expanded to about 7.21 solar radii.[3][4] It radiates about 33.8 times the Sun's luminosity at a temperature of around 5,181 K.[4] The secondary is an F-type star.[3]

References

  1. 1.0 1.1 1.2 1.3 1.4 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 2.2 2.3 2.4 2.5 2.6 2.7 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. 3.0 3.1 3.2 Abt, Helmut A. (May 2008), "Visual Multiples. IX. MK Spectral Types", The Astrophysical Journal Supplement Series 176 (1): 216–217, doi:10.1086/525529, Bibcode2008ApJS..176..216A. 
  4. 4.0 4.1 4.2 4.3 4.4 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode2018A&A...616A...1G.  Gaia DR2 record for this source at VizieR.
  5. de Medeiros, J. R.; Mayor, M. (November 1999), "A catalog of rotational and radial velocities for evolved stars", Astronomy and Astrophysics Supplement 139 (3): 433–460, doi:10.1051/aas:1999401, Bibcode1999A&AS..139..433D. 
  6. "HD 41162". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+41162.