35 Pegasi

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35 Pegasi
Pegasus constellation map.svg
Red circle.svg

Location of 35 Pegasi (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Pegasus
Right ascension 22h 27m 51.52245s[1]
Declination 4° 41′ 44.4005″[1]
Apparent magnitude (V) 4.80[2]
Spectral type K0III[3]
U−B color index +0.88[2]
B−V color index +1.06[2]
Radial velocity (Rv) +54.16[4] km/s
Proper motion (μ) RA: +77.57[1] mas/yr
Dec.: -306.12[1] mas/yr
Parallax (π) 21.99 ± 0.37[1] mas
Distance 148 ± 2 ly
(45.5 ± 0.8 pc)
Absolute magnitude (MV) 1.50[5]
Mass 1.18[5] M
Radius 8.5[6] R
Luminosity 31.69[7] L
Surface gravity (log g) 2.76[8] cgs
Temperature 4,676[8] K
Metallicity [Fe/H] -0.28[8] dex
Rotational velocity (v sin i) < 1.0[9] km/s
Other designations
BD+03°4710, CCDM J22278+0441A, FK5 3796, GC 31377, HIP 110882, HR 8551, HD 212943, LTT 16582, SAO 127540, WDS J22279+0442A
Database references

35 Pegasi (35 Peg) is a class K0III[3] (orange giant) star in the constellation Pegasus. Its apparent magnitude is 4.80[2] and it is approximately 148 light years away based on parallax.[1]

In addition to the primary, there are two distant companions: B, at separation 80.5" and magnitude 10.0, and C, at separation 176.3" and magnitude 10.64.[10]


  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 d 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. 
  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. ^ 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. 
  5. ^ a b Da Silva, Ronaldo; Milone, André de C.; Rocha-Pinto, Helio J. (2015). "Homogeneous abundance analysis of FGK dwarf, subgiant, and giant stars with and without giant planets". Astronomy & Astrophysics. 580: A24. Bibcode:2015A&A...580A..24D. doi:10.1051/0004-6361/201525770.  Vizier catalog entry
  6. ^ Allende Prieto, C.; Lambert, D. L. (1999). "Fundamental parameters of nearby stars from the comparison with evolutionary calculations: Masses, radii and effective temperatures". Astronomy and Astrophysics. 352: 555. arXiv:astro-ph/9911002Freely accessible. Bibcode:1999A&A...352..555A.  Vizier catalog entry
  7. ^ 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
  8. ^ a b c Wu, Yue; Singh, H. P.; Prugniel, P.; Gupta, R.; Koleva, M. (2010). "Coudé-feed stellar spectral library – atmospheric parameters". Astronomy & Astrophysics. 525: A71. arXiv:1009.1491Freely accessible. Bibcode:2011A&A...525A..71W. doi:10.1051/0004-6361/201015014. 
  9. ^ 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
  10. ^ Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (2001). "The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog". The Astronomical Journal. 122 (6): 3466. Bibcode:2001AJ....122.3466M. doi:10.1086/323920.  Vizier catalog entry