5 Aurigae

5 Aurigae
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 05h 00m 18.33887s[1]
Declination +39° 23′ 40.9241″[1]
Apparent magnitude (V) 5.982[2]
(6.02 / 9.50)[3]
Characteristics
Spectral type F5V[4]
U−B color index -0.03[5]
B−V color index +0.42[5]
Astrometry
Radial velocity (Rv)6.0 ± 1.3[6] km/s
Proper motion (μ) RA: −10.87[1] mas/yr
Dec.: −1.08[1] mas/yr
Parallax (π)16.74 ± 0.71[1] mas
Distance195 ± 8 ly
(60 ± 3 pc)
Orbit[3]
Period (P)1598.04 ± 50.35 yr
Semi-major axis (a)5.379 ± 0.388″
Eccentricity (e)0.536 ± 0.031
Inclination (i)56.1 ± 0.8°
Longitude of the node (Ω)155.4 ± 0.7°
Periastron epoch (T)3242.73 ± 8.96
Argument of periastron (ω)
(secondary)		333.4 ± 4.5°
Details[7]
5 Aur A
Mass3.01 M☉
5 Aur B
Mass0.91 M☉
Other designations
BD+39° 1133, GC 6084, HD 31761, HIP 23261, HR 1599, SAO 57559, PPM 69817, ADS 3589, CCDM J05003+3924, WDS J05003+3924, TYC 2899-369-1
Database references
SIMBADdata

5 Aurigae is a binary star in the constellation Auriga. Its apparent magnitude is 5.98.

References

  1. 1 2 3 4 5 van Leeuwen, F.; et al. (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.
  2. ↑ "* 5 Aur". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 8 April 2017.
  3. 1 2 "Sixth Catalog of Orbits of Visual Binary Stars". United States Naval Observatory. Retrieved 8 April 2017.
  4. ↑ Abt, Helmut A. (2008). "Visual Multiples. IX. MK Spectral Types". The Astrophysical Journal Supplement Series. 176: 216–217. Bibcode:2008ApJS..176..216A. doi:10.1086/525529.
  5. 1 2 Guetter, H. H. (1980). "UBV Photoelectric Photometry of 259 PZT Stars". Publications of the Astronomical Society of the Pacific. 92: 215. Bibcode:1980PASP...92..215G. doi:10.1086/130650.
  6. ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
  7. ↑ Tokovinin, Andrei (2014). "From Binaries to Multiples. Ii. Hierarchical Multiplicity of F and G Dwarfs". The Astronomical Journal. 147 (4): 87. arXiv:1401.6827. Bibcode:2014AJ....147...87T. doi:10.1088/0004-6256/147/4/87.


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