HD 59612

HD 59612 is a class A5Ib supergiant star in the constellation Puppis. Its apparent magnitude is 4.86[2] and it is approximately 4,300 light years away based on parallax.

HD 59612
Location of HD 59612 (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis
Right ascension 07h 29m 51.41230s[1]
Declination −23° 01′ 27.4447″[1]
Apparent magnitude (V) 4.86[2]
Characteristics
Spectral type A5 Ib[3]
U−B color index +0.17[2]
B−V color index +0.24[2]
Astrometry
Radial velocity (Rv)35.00[4] km/s
Proper motion (μ) RA: −2.831[1] mas/yr
Dec.: +4.172[1] mas/yr
Parallax (π)0.7535 ± 0.0738 mas[1]
Distance4,300 ± 400 ly
(1,300 ± 100 pc)
Absolute magnitude (MV)−5.10[5]
Details
Mass12.9[3] M☉
Radius44[5] R☉
Luminosity10,864[5] L☉
Surface gravity (log g)1.78[3] cgs
Temperature8,620[3] K
Metallicity [Fe/H]+0.02[6] dex
Rotational velocity (v sin i)27[5] km/s
Age15[3] Myr
Other designations
BD−22°1897, CD−22°4587, CCDM J07299-2301AB, GC 10043, HD 59612, HIP 36431, HR 2874, SAO 173864, WDS J07299-2301AB
Database references
SIMBADdata

It has one companion, B, at magnitude 10.7 and separation 3.0".[7] It shares a common proper motion with HD 59612 and is at a similar distance.[8]

References
  1. Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
  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. Lyubimkov, Leonid S.; Lambert, David L.; Korotin, Sergey A.; Poklad, Dmitry B.; Rachkovskaya, Tamara M.; Rostopchin, Sergey I. (2011). "Nitrogen enrichment in atmospheres of A- and F-type supergiants". Monthly Notices of the Royal Astronomical Society. 410 (3): 1774. arXiv:1009.0054. Bibcode:2011MNRAS.410.1774L. doi:10.1111/j.1365-2966.2010.17560.x. S2CID 119235532.
  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. Verdugo, E.; Talavera, A.; Gómez De Castro, A. I. (1999). "Understanding A-type supergiants. II. Atmospheric parameters and rotational velocities of Galactic A-type supergiants". Astronomy and Astrophysics. 346: 819. Bibcode:1999A&A...346..819V.
  6. Gray, R. O.; Graham, P. W.; Hoyt, S. R. (2001). "The Physical Basis of Luminosity Classification in the Late A-, F-, and Early G-Type Stars. II. Basic Parameters of Program Stars and the Role of Microturbulence". The Astronomical Journal. 121 (4): 2159. Bibcode:2001AJ....121.2159G. doi:10.1086/319957.
  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
  8. Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.