Astronomy:HD 65810

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Short description: Star in the constellation Puppis
HD 65810
Puppis constellation map.svg
Red circle.svg
Location of HD 65810 (circled)
Observation data
Equinox J2000.0]] (ICRS)
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

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]

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. doi:10.1051/0004-6361:20078357. Bibcode2007A&A...474..653V.  Vizier catalog entry
  2. 2.0 2.1 2.2 2.3 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. Bibcode2002yCat.2237....0D. 
  3. 3.0 3.1 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. Bibcode1995yCat.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. doi:10.1134/S1063773706110065. Bibcode2006AstL...32..759G. 
  5. Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode2012AstL...38..331A.  Vizier catalog entry
  6. 6.0 6.1 6.2 6.3 Zorec, J.; Royer, F. (2012). "Rotational velocities of A-type stars". Astronomy & Astrophysics 537: A120. doi:10.1051/0004-6361/201117691. Bibcode2012A&A...537A.120Z.  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. Bibcode1999A&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. doi:10.1088/0004-637X/804/2/146. Bibcode2015ApJ...804..146D.  Vizier catalog entry