24 Persei

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24 Persei
Perseus constellation map.svg
Red circle.svg

Location of 24 Persei (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Perseus
Right ascension 02h 59m 03.67675s[1]
Declination 35° 10′ 59.2694″[1]
Apparent magnitude (V) 4.94[2]
Spectral type K2III[3]
U−B color index +1.28[4]
B−V color index +1.25[4]
Radial velocity (Rv) -36.97[5] km/s
Proper motion (μ) RA: -46.22[1] mas/yr
Dec.: +6.57[1] mas/yr
Parallax (π) 8.86 ± 0.33[1] mas
Distance 370 ± 10 ly
(113 ± 4 pc)
Absolute magnitude (MV) -0.32[2]
Mass 1.59[6] M
Radius 23.56[6] R
Luminosity 185[6] L
Surface gravity (log g) 1.91[6] cgs
Temperature 4,391[6] K
Metallicity [Fe/H] -0.07[6] dex
Rotational velocity (v sin i) < 1.9[7] km/s
Other designations
BD+34°550, FK5 1082, GC 3575, HIP 13905, HR 882, HD 18449, SAO 56052
Database references

24 Persei is a class K2III[3] (orange giant) star in the constellation Perseus. Its apparent magnitude is 4.94[2] and it is approximately 368 light years away based on parallax.[1]


  1. ^ a b c d e f Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b c Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971Freely accessible. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015.  Vizier catalog entry
  3. ^ a b Hoffleit, D.; Warren, W. H. (1995). "VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR On-line Data Catalog: V/50. Originally published in: 1964BS....C......0H. 5050. Bibcode:1995yCat.5050....0H. 
  4. ^ a b Mallama, A. (2014). "Sloan Magnitudes for the Brightest Stars". The Journal of the American Association of Variable Star Observers. 42: 443. Bibcode:2014JAVSO..42..443M. Vizier catalog entry
  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". Astronomy & Astrophysics. 430: 165. arXiv:astro-ph/0409579Freely accessible. Bibcode:2005A&A...430..165F. doi:10.1051/0004-6361:20041272. 
  6. ^ a b c d e f Reffert, Sabine; Bergmann, Christoph; Quirrenbach, Andreas; Trifonov, Trifon; Künstler, Andreas (2015). "Precise radial velocities of giant stars". Astronomy & Astrophysics. 574: A116. arXiv:1412.4634Freely accessible. Bibcode:2015A&A...574A.116R. doi:10.1051/0004-6361/201322360.  Vizier catalog entry
  7. ^ De Medeiros, J. R.; Mayor, M. (1999). "A catalog of rotational and radial velocities for evolved stars". Astronomy and Astrophysics Supplement Series. 139 (3): 433. Bibcode:1999A&AS..139..433D. doi:10.1051/aas:1999401.  Vizier catalog entry