HD 65810

HD 65810 is a class A2V[3] (white main-sequence) star in the constellation Puppis. Its apparent magnitude is 4.61[2] and it is approximately 241 light years away based on parallax.[1]

HD 65810
Location of HD 65810 (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis
Right ascension 07h 59m 52.05117s[1]
Declination −18° 23′ 57.2292″[1]
Apparent magnitude (V) 4.61[2]
Characteristics
Spectral type A2Vn[3]
U−B color index +0.08[2]
B−V color index +0.08[2]
Astrometry
Radial velocity (Rv)-13.30[4] km/s
Proper motion (μ) RA: -6.38[1] mas/yr
Dec.: -36.05[1] mas/yr
Parallax (π)13.52 ± 0.64[1] mas
Distance240 ± 10 ly
(74 ± 4 pc)
Absolute magnitude (MV)0.27[5]
Details
Mass2.69[6] M☉
Radius3.6[7] R☉
Luminosity87[6] L☉
Surface gravity (log g)3.38[8] cgs
Temperature8,892[6] K
Rotational velocity (v sin i)218[6] km/s
Other designations
BD-18°2118, FK5 1212, GC 10825, GSC 05986-03435, HIP 39095, HR 3131, HD 65810, SAO 153687
Database references
SIMBADdata

References
  1. 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. Vizier catalog entry
  2. 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. 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. Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. S2CID 119231169.
  5. Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644. Vizier catalog entry
  6. Zorec, J.; Royer, F. (2012). "Rotational velocities of A-type stars". Astronomy & Astrophysics. 537: A120. arXiv:1201.2052. Bibcode:2012A&A...537A.120Z. doi:10.1051/0004-6361/201117691. S2CID 55586789. Vizier catalog entry
  7. 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: 555–562. arXiv:astro-ph/9911002. Bibcode:1999A&A...352..555A. Vizier catalog entry
  8. David, Trevor J.; Hillenbrand, Lynne A. (2015). "The Ages of Early-Type Stars: Strömgren Photometric Methods Calibrated, Validated, Tested, and Applied to Hosts and Prospective Hosts of Directly Imaged Exoplanets". The Astrophysical Journal. 804 (2): 146. arXiv:1501.03154. Bibcode:2015ApJ...804..146D. doi:10.1088/0004-637X/804/2/146. S2CID 33401607. Vizier catalog entry


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