HD 59612

Last updated
HD 59612
Puppis constellation map.svg
Red circle.svg
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]
Distance 4,300 ± 400  ly
(1,300 ± 100  pc)
Absolute magnitude  (MV)−5.10 [5]
Details
Mass 12.9 [3]   M
Radius 44 [5]   R
Luminosity 10,864 [5]   L
Surface gravity (log g)1.78 [3]   cgs
Temperature 8,620 [3]   K
Metallicity [Fe/H]+0.02 [6]   dex
Rotational velocity (v sin i)27 [5]  km/s
Age 15 [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
SIMBAD data

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.

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]

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References

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  2. 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.
  3. 1 2 3 4 5 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. 1 2 3 4 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) (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics . arXiv: 2208.00211 . doi: 10.1051/0004-6361/202243940 . Gaia DR3 record for this source at VizieR .