RS Persei is a red supergiant variable star located in the Double Cluster in Perseus.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
RS Persei
RS Persei is the red star closest to the centre of NGC 884, the right hand cluster (north is down). |
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 |
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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] |
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Details[6] |
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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 |
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Other designations |
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RS Per, HD 14488, BD +56°583, 2MASS J02222428+5706340, AAVSO 0215+56A |
Database references |
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SIMBAD | data |
Close
Cutri, R. M; Skrutskie, M. F; Van Dyk, S; Beichman, C. A; Carpenter, J. M; Chester, T; Cambresy, L; Evans, T; Fowler, J; Gizis, J; Howard, E; Huchra, J; Jarrett, T; Kopan, E. L; Kirkpatrick, J. D; Light, R. M; Marsh, K. A; McCallon, H; Schneider, S; Stiening, R; Sykes, M; Weinberg, M; Wheaton, W. A; Wheelock, S; Zacarias, N (2003). "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. Bibcode:2003yCat.2246....0C.
Samus', N. N.; Goranskii, V. P.; Durlevich, O. V.; Zharova, A. V.; Kazarovets, E. V.; Kireeva, N. N.; Pastukhova, E. N.; Williams, D. B.; Hazen, M. L. (2003). "An Electronic Version of the Second Volume of the General Catalogue of Variable Stars with Improved Coordinates". Astronomy Letters. 29 (7): 468. Bibcode:2003AstL...29..468S. doi:10.1134/1.1589864. S2CID 16299532.
Saesen, S.; Carrier, F.; Pigulski, A.; Aerts, C.; Handler, G.; Narwid, A.; Fu, J. N.; Zhang, C.; Jiang, X. J.; Vanautgaerden, J.; Kopacki, G.; Stęślicki, M.; Acke, B.; Poretti, E.; Uytterhoeven, K.; Gielen, C.; Østensen, R.; De Meester, W.; Reed, M. D.; Kołaczkowski, Z.; Michalska, G.; Schmidt, E.; Yakut, K.; Leitner, A.; Kalomeni, B.; Cherix, M.; Spano, M.; Prins, S.; Van Helshoecht, V.; Zima, W.; Huygen, R.; Vandenbussche, B.; Lenz, P.; Ladjal, D.; Puga Antolín, E.; Verhoelst, T.; De Ridder, J.; Niarchos, P.; Liakos, A.; Lorenz, D.; Dehaes, S.; Reyniers, M.; Davignon, G.; Kim, S.-L.; Kim, D. H.; Lee, Y.-J.; Lee, C.-U.; Kwon, J.-H.; Broeders, E.; Van Winckel, H.; Vanhollebeke, E.; Waelkens, C.; Raskin, G.; Blom, Y.; Eggen, J. R.; Degroote, P.; Beck, P.; Puschnig, J.; Schmitzberger, L.; Gelven, G. A.; Steininger, B.; Blommaert, J.; Drummond, R.; Briquet, M.; Debosscher, J. (2010). "Photometric multi-site campaign on the open cluster NGC 884". Astronomy and Astrophysics. 515: A16. arXiv:1001.1116. Bibcode:2010A&A...515A..16S. doi:10.1051/0004-6361/200913236. ISSN 0004-6361. S2CID 40932414.
Baron, F.; Monnier, J. D.; Kiss, L. L.; Neilson, H. R.; Zhao, M.; Anderson, M.; Aarnio, A.; Pedretti, E.; Thureau, N.; Ten Brummelaar, T. A.; Ridgway, S. T.; McAlister, H. A.; Sturmann, J.; Sturmann, L.; Turner, N. (2014). "CHARA/MIRC Observations of Two M Supergiants in Perseus OB1: Temperature, Bayesian Modeling, and Compressed Sensing Imaging". The Astrophysical Journal. 785 (1): 46. arXiv:1405.4032. Bibcode:2014ApJ...785...46B. doi:10.1088/0004-637X/785/1/46. S2CID 17085548.