Rho Cygni
 
| |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 21h 33m 58.85298s[1] |
| Declination | 45° 35′ 30.6179″[1] |
| Apparent magnitude (V) | 4.02 [2] |
| Characteristics | |
| Spectral type | G8IIIFe-0.5[3] |
| U−B color index | +0.56[2] |
| B−V color index | +0.89[2] |
| Astrometry | |
| Radial velocity (Rv) | +6.88[4] km/s |
| Proper motion (μ) | RA: -23.79[1] mas/yr Dec.: -93.70[1] mas/yr |
| Parallax (π) | 26.39 ± 0.15[1] mas |
| Distance | 123.6 ± 0.7 ly (37.9 ± 0.2 pc) |
| Absolute magnitude (MV) | 1.11[5] |
| Details | |
| Mass | 2.16[6] M☉ |
| Radius | 7.81[6] R☉ |
| Luminosity | 37.1[6] L☉ |
| Temperature | 5,100[6] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
Rho Cygni (ρ Cyg) is a class G8III[3] (yellow giant) star in the constellation Cygnus. Its apparent magnitude is 4.02[2] and it is approximately 123.6 light years away based on parallax.[1]
References
- 1 2 3 4 5 6 van Leeuwen, F. (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. Vizier catalog entry - 1 2 3 4 Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237: 0. Bibcode:2002yCat.2237....0D.
- 1 2 Keenan, Philip C.; McNeil, Raymond C. (1989). "The Perkins catalog of revised MK types for the cooler stars". Astrophysical Journal Supplement Series. 71: 245. Bibcode:1989ApJS...71..245K. doi:10.1086/191373.
- ↑ Soubiran, C.; et al. (March 2008), "Vertical distribution of Galactic disk stars. IV. AMR and AVR from clump giants", Astronomy and Astrophysics, 480 (1): 91–101, arXiv:0712.1370, Bibcode:2008A&A...480...91S, doi:10.1051/0004-6361:20078788
- ↑ Da Silva, Ronaldo; Milone, André de C.; Rocha-Pinto, Helio J. (August 2015). "Homogeneous abundance analysis of FGK dwarf, subgiant, and giant stars with and without giant planets.". Astronomy and Astrophysics. 580A: 24–42. Bibcode:2015A&A...580A..24D. doi:10.1051/0004-6361/201525770. Vizier catalog entry
- 1 2 3 4 Reffert, Sabine; Bergmann, Christoph; Quirrenbach, Andreas; Trifonov, Trifon; Künstler, Andreas (2015). "Precise radial velocities of giant stars. VII. Occurrence rate of giant extrasolar planets as a function of mass and metallicity.". Astronomy and Astrophysics. 574A (2): 116–129. arXiv:1412.4634. Bibcode:2015A&A...574A.116R. doi:10.1051/0004-6361/201322360. Vizier catalog entry
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