HD 56456
  | |
| Observation data Epoch J2000 Equinox ICRS | |
|---|---|
| Constellation | Puppis |
| Right ascension | 07h 14m 38.14062s |
| Declination | −48° 16′ 18.9420″ |
| Apparent magnitude (V) | 4.76 |
| Characteristics | |
| Evolutionary stage | main sequence |
| 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 |
| Distance | 377 ± 7 ly (115 ± 2 pc) |
| Absolute magnitude (MV) | -0.56 |
| Details | |
| Mass | 3.39 M☉ |
| Luminosity | 220 L☉ |
| Temperature | 10,860 K |
| Rotational velocity (v sin i) | 240 km/s |
| Other designations | |
| CD−48°2807, GC 9635, HD 56456, HIP 35020, HR 2762, SAO 218567, CCDM J07146-4816A, WDS J07146-4816A, GSC 08123-02767 | |
| Database references | |
| SIMBAD | data |
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 2 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. XHIP record for this object at VizieR.
- 1 2 3 4 5 6 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
- 1 2 3 4 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.
- 1 2 3 4 5 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
- 1 2 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.
- ↑ 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.
- ↑ 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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