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 |
Distance | 195 ± 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 | |
Mass | 3.01 M☉ |
5 Aur B | |
Mass | 0.91 M☉ |
Other designations | |
Database references | |
SIMBAD | data |
5 Aurigae is a binary star in the constellation Auriga. Its apparent magnitude is 5.98.
References
- 1 2 3 4 5 van Leeuwen, F.; et al. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752 . doi:10.1051/0004-6361:20078357.
- ↑ "* 5 Aur". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 8 April 2017.
- 1 2 "Sixth Catalog of Orbits of Visual Binary Stars". United States Naval Observatory. Retrieved 8 April 2017.
- ↑ 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.
- 1 2 Guetter, H. H. (1980). "UBV Photoelectric Photometry of 259 PZT Stars". Publications of the Astronomical Society of the Pacific. 92: 215. doi:10.1086/130650.
- ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. Bibcode:2006AstL...32..759G. arXiv:1606.08053 . doi:10.1134/S1063773706110065. Retrieved 12 December 2016.
- ↑ Tokovinin, Andrei (2014). "From Binaries to Multiples. Ii. Hierarchical Multiplicity of F and G Dwarfs". The Astronomical Journal. 147 (4): 87. Bibcode:2014AJ....147...87T. arXiv:1401.6827 . doi:10.1088/0004-6256/147/4/87.
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