T Persei

T Persei
Observation data
Epoch J2000      Equinox J2000
Constellation Perseus
Right ascension  2h 19m 21.87884s[1]
Declination +58° 57′ 40.3271″[1]
Apparent magnitude (V) 8.34-9.70[2]
Characteristics
Spectral type M2Iab[3]
U−B color index +2.62[4]
B−V color index +2.33[4]
Variable type SRc[2]
Astrometry
Radial velocity (Rv)−40.85[5] km/s
Proper motion (μ) RA: 0.31[1] mas/yr
Dec.: −2.42[1] mas/yr
Parallax (π)2.15 ± 1.24[1] mas
Distance2,345±55[6] pc
Absolute magnitude (MV)−6.90±0.07[6]
Details[6]
Mass9-12 M☉
Radius510±20 R☉
Luminosity45,700+4,400
−4,000 L☉
Surface gravity (log g)0.06±0.05 cgs
Temperature3750±60 K
Metallicity [Fe/H]−0.35 dex
Other designations
T Per, HD 14142, HIP 10829, BD+58°439, WDS J02194+5858, 2MASS J02192186+5857403, AAVSO 0212+58
Database references
SIMBADdata

T Persei is a red supergiant located in the constellation Perseus.

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 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. S2CID 18759600.
  2. ↑ 2.0 2.1 Samus, N. N.; Durlevich, O. V. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
  3. ↑ Kiss, L. L.; Szabó, Gy. M.; Bedding, T. R. (2006). "Variability in red supergiant stars: Pulsations, long secondary periods and convection noise". Monthly Notices of the Royal Astronomical Society. 372 (4): 1721–1734. arXiv:astro-ph/0608438. Bibcode:2006MNRAS.372.1721K. doi:10.1111/j.1365-2966.2006.10973.x. S2CID 5203133.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  4. ↑ 4.0 4.1 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. Bibcode:2002yCat.2237....0D.
  5. ↑ Famaey, B.; Jorissen, A.; Luri, X.; Mayor, M.; Udry, S.; Dejonghe, H.; Turon, C. (2005). "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters". Astronomy and Astrophysics. 430: 165. arXiv:astro-ph/0409579. Bibcode:2005A&A...430..165F. doi:10.1051/0004-6361:20041272. S2CID 17804304.
  6. ↑ 6.0 6.1 6.2 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.

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