16 Puppis

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16 Puppis
Puppis constellation map.svg
Red circle.svg
Location of 16 Puppis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis
Right ascension 08h 09m 01.63741s[1]
Declination −19° 14′ 42.0521″[1]
Apparent magnitude (V) 4.40[2]
Spectral type B5IV[3]
U−B color index -0.60[4]
B−V color index -0.15[4]
Radial velocity (Rv)+19.90[5] km/s
Proper motion (μ) RA: -9.87[1] mas/yr
Dec.: -5.55[1] mas/yr
Parallax (π)7.01 ± 0.22[1] mas
Distance470 ± 10 ly
(143 ± 4 pc)
Absolute magnitude (MV)-1.37[2]
Luminosity836[2] L
Surface gravity (log g)3.701[6] cgs
Temperature16,680[7] K
Rotational velocity (v sin i)140[8] km/s
Other designations
BD-18°2190, FK5 2632, GC 11071, GSC 06004-03719, HIP 39906, HR 3192, HD 67797, SAO 153890
Database references

16 Puppis (16 Pup) is a class B5IV[3] (blue subgiant) star in the constellation Puppis. Its apparent magnitude is 4.40[2] and it is approximately 465 light years away based on parallax.[1]

16 Puppis is located in the northernmost part of its constellation, almost due north of the bright star Rho Puppis, and east of Canis Major.


  1. ^ a b c d e f 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. ^ a b c d 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
  3. ^ a b 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. ^ a b Mallama, A. (2014). "Sloan Magnitudes for the Brightest Stars". The Journal of the American Association of Variable Star Observers. 42: 443. Bibcode:2014JAVSO..42..443M.Vizier catalog entry
  5. ^ 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.
  6. ^ Soubiran, Caroline; Le Campion, Jean-François; Brouillet, Nathalie; Chemin, Laurent (2016). "The PASTEL catalogue: 2016 version". Astronomy & Astrophysics. 591: A118. arXiv:1605.07384. Bibcode:2016A&A...591A.118S. doi:10.1051/0004-6361/201628497.
  7. ^ Zorec, J.; Cidale, L.; Arias, M. L.; Frémat, Y.; Muratore, M. F.; Torres, A. F.; Martayan, C. (2009). "Fundamental parameters of B supergiants from the BCD system". Astronomy and Astrophysics. 501: 297. arXiv:0903.5134. Bibcode:2009A&A...501..297Z. doi:10.1051/0004-6361/200811147.
  8. ^ Abt, Helmut A.; Levato, Hugo; Grosso, Monica (2002). "Rotational Velocities of B Stars". The Astrophysical Journal. 573: 359. Bibcode:2002ApJ...573..359A. doi:10.1086/340590.