16 Aurigae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 18m 10.570s[1] |
| Declination | +33° 22′ 17.81″[1] |
| Apparent magnitude (V) | 4.547[2] 4.8 / 10.6[3] |
| Characteristics | |
| Spectral type | K2.5IIIb[4] |
| U−B color index | +1.26[5] |
| B−V color index | +1.26[5] |
| Astrometry | |
| Radial velocity (Rv) | -27.5 km/s |
| Proper motion (μ) | RA: 31.63 ± 0.53[1] mas/yr Dec.: -160.73 ± 0.25[1] mas/yr |
| Parallax (π) | 14.04 ± 0.58[1] mas |
| Distance | 232 ± 10 ly (71 ± 3 pc) |
| Absolute magnitude (MV) | 5.828 |
| Details[6] | |
| Mass | 1.1 M☉ |
| Radius | 18.8 R☉ |
| Luminosity | 112 L☉ |
| Temperature | 4276 K |
| Orbit[3] | |
| Primary | 16 Aur A |
| Companion | 16 Aur B |
| Period (P) | 434.8 d |
| Semi-major axis (a) | 7.24 ± 1.59 mas″ |
| Eccentricity (e) | 0.1 |
| Inclination (i) | 52.93 ± 9.46° |
| Longitude of the node (Ω) | 56.20 ± 11.65° |
| Periastron epoch (T) | 2448348.1172 ± 17.1872 |
| Argument of periastron (ω) (secondary) | 40° |
| Other designations | |
| Database references | |
| SIMBAD | data |
16 Aurigae is a spectroscopic binary[7] star in the constellation Auriga. Its apparent magnitude is 4.547.[2]
References
- 1 2 3 4 5 van Leeuwen, F. (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. Archived from the original on 2016-04-02.Vizier catalog entry - 1 2 Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H.
- 1 2 "Sixth Catalog of Orbits of Visual Binary Stars". United States Naval Observatory. Retrieved 8 April 2017.
- ↑ "* 16 Aur".
- 1 2 Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV data. Bibcode:1986EgUBV........0M.
- ↑ Massarotti, Alessandro; Latham, David W.; Stefanik, Robert P.; Fogel, Jeffrey (2008). "Rotational and Radial Velocities for a Sample of 761 Hipparcos Giants and the Role of Binarity". The Astronomical Journal. 135: 209. doi:10.1088/0004-6256/135/1/209.
- ↑ Griffin, R. F. (2008). "Spectroscopic binary orbits from photoelectric radial velocities - Paper 198: 48 Piscium, 16 Aurigae, 5 Herculis, and Beta Scuti". The Observatory. 128: 21–56. Bibcode:2008Obs...128...21G.
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