HD 64740

HD 64740 is a class B1.5V[3] (blue main-sequence) star in the constellation Puppis. Its apparent magnitude is 4.63[2] and it is approximately 760 light years away based on parallax.[1]

HD 64740
Location of HD 64740 (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis
Right ascension  07h 53m 03.63538s[1]
Declination −49° 36′ 46.9530″[1]
Apparent magnitude (V) 4.63[2]
Characteristics
Spectral type B1.5Vp[3]
U−B color index -0.92[2]
B−V color index -0.23[2]
Astrometry
Radial velocity (Rv)+8.00[4] km/s
Proper motion (μ) RA: -7.77[1] mas/yr
Dec.: +15.16[1] mas/yr
Parallax (π)4.30 ± 0.15[1] mas
Distance760 ± 30 ly
(233 ± 8 pc)
Absolute magnitude (MV)-2.20[5]
Details
Mass9.6[6] M☉
Luminosity5908[7] L☉
Temperature23,700[7] K
Metallicity [Fe/H]+0.01[8] dex
Rotational velocity (v sin i)160[3] km/s
Other designations
CD-49°3137, GC 10686, GSC 08143-03240, HIP 38500, HR 3089, HD 64740, SAO 219106
Database references
SIMBADdata

References
  1. Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. 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. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
  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. Vizier catalog entry
  6. Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society. 410: 190. arXiv:1007.4883. Bibcode:2011MNRAS.410..190T. doi:10.1111/j.1365-2966.2010.17434.x. Vizier catalog entry
  7. Hohle, M.M.; Neuhäuser, R.; Schutz, B.F. (2010). "Masses and luminosities of O- and B-type stars and red supergiants". Astronomische Nachrichten. 331 (4): 349. arXiv:1003.2335. Bibcode:2010AN....331..349H. doi:10.1002/asna.200911355. Vizier catalog entry
  8. Gontcharov, G. A. (2012). "Dependence of kinematics on the age of stars in the solar neighborhood". Astronomy Letters. 38 (12): 771. arXiv:1606.08814. Bibcode:2012AstL...38..771G. doi:10.1134/S1063773712120031. Vizier catalog entry


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