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HD 56456

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Star in the constellation Puppis
HD 56456
Location of HD 56456 (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis
Right ascension 07 14 38.14062
Declination −48° 16′ 18.9420″
Apparent magnitude (V) 4.76
Characteristics
Spectral type B8.5Vn
U−B color index -0.29
B−V color index -0.10
Astrometry
Radial velocity (Rv)+39.00 km/s
Proper motion (μ) RA: -4.40 mas/yr
Dec.: +0.01 mas/yr
Parallax (π)8.66 ± 0.17 mas
Distance377 ± 7 ly
(115 ± 2 pc)
Absolute magnitude (MV)-0.56
Details
Mass3.39 M☉
Luminosity220 L☉
Temperature10,860 K
Rotational velocity (v sin i)240 km/s
Other designations
CD-48°2807, CCDM J07146-4816A, GC 9635, GSC 08123-02767, HIP 35020, HR 2762, HD 56456, SAO 218567, WDS J07146-4816A
Database references
SIMBADdata

HD 56456 is a class B8.5V (blue main-sequence) star in the constellation Puppis. Its apparent magnitude is 4.76 and it is approximately 377 light years away based on parallax.

It has one companion, B, at magnitude 13.5 and separation 18".

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. ^ Garrison, R. F.; Gray, R. O. (1994). "The late B-type stars: Refined MK classification, confrontation with stromgren photometry, and the effects of rotation". The Astronomical Journal. 107: 1556. Bibcode:1994AJ....107.1556G. doi:10.1086/116967.
  4. Kharchenko, N.V.; Scholz, R.-D.; Piskunov, A.E.; Röser, S.; Schilbach, E. (2007). "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ~55000 stars and mean radial velocities of 516 Galactic open clusters and associations". Astronomische Nachrichten. 328 (9): 889. arXiv:0705.0878. Bibcode:2007AN....328..889K. doi:10.1002/asna.200710776. S2CID 119323941.
  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. 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
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