RS Persei
RS Persei is a red supergiant variable star located in the Double Cluster in Perseus.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Perseus |
| Right ascension | 2h 22m 24.288s[1] |
| Declination | +57° 0.6′ 34.08″[1] |
| Apparent magnitude (V) | 7.82-10.0[2] |
| Characteristics | |
| Spectral type | M4Iab[3] |
| Variable type | SRc[2] |
| Astrometry | |
| Radial velocity (Rv) | −38.0±2[4] km/s |
| Proper motion (μ) | RA: −0.371±0.137[5] mas/yr Dec.: −0.931±0.165[5] mas/yr |
| Parallax (π) | 0.6437 ± 0.0822[5] mas |
| Distance | 2,345±55[6] pc |
| Absolute magnitude (MV) | −6.18[7] |
| Details[6] | |
| Mass | 12-15 M☉ |
| Radius | 770±30 R☉ |
| Luminosity | 77,600+9,500 −8,400 L☉ |
| Surface gravity (log g) | −0.2±0.05 cgs |
| Temperature | 3,470±90 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
RS Persei Media
A light curve for RS Persei, plotted from INTEGRAL Optical Monitoring Camera data
References
- ↑ 1.0 1.1 Cutri, R. M. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). VizieR On-line Data Catalog: II/246. Originally Published in: 2003y Cat.2246....0C 2246 (2003).
- ↑ 2.0 2.1 Samus', N. N.. An Electronic Version of the Second Volume of the General Catalogue of Variable Stars with Improved Coordinates. Astronomy Letters 29 (7) (2003). p. 468. doi:10.1134/1.1589864.
- ↑ Saesen, S.. Photometric multi-site campaign on the open cluster NGC 884. Astronomy and Astrophysics 515 (2010). p. A16. doi:10.1051/0004-6361/200913236.
- ↑ Wilson, Ralph Elmer. General catalogue of stellar radial velocities. Washington (1953).
- ↑ 5.0 5.1 5.2 Template:Cite DR2
- ↑ 6.0 6.1 Baron, F.. CHARA/MIRC Observations of Two M Supergiants in Perseus OB1: Temperature, Bayesian Modeling, and Compressed Sensing Imaging. The Astrophysical Journal 785 (1) (2014). p. 46. doi:10.1088/0004-637X/785/1/46.
- ↑ Levesque, Emily M.. The Effective Temperature Scale of Galactic Red Supergiants: Cool, but Not As Cool As We Thought. The Astrophysical Journal 628 (2) (2005). p. 973–985. doi:10.1086/430901.