11 Puppis

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11 Puppis
Puppis constellation map.svg
Red circle.svg
Location of 11 Puppis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis
Right ascension 07h 56m 51.53900s[1]
Declination −22° 52′ 48.4340″[1]
Apparent magnitude (V) 4.20[2]
Spectral type F7/8II[2]
U−B color index +0.44[3]
B−V color index +0.72[3]
Radial velocity (Rv)+13.30[4] km/s
Proper motion (μ) RA: -30.42[1] mas/yr
Dec.: +11.49[1] mas/yr
Parallax (π)6.25 ± 0.23[1] mas
Distance520 ± 20 ly
(160 ± 6 pc)
Absolute magnitude (MV)-1.82[2]
Luminosity515[2] L
Surface gravity (log g)1.99[5] cgs
Temperature5,868[5] K
Metallicity [Fe/H]+0.09[5] dex
Rotational velocity (v sin i)13.8[6] km/s
Other designations
j Puppis, BD-22°2087, CD-22°5403, FK5 2615, GC 10756, GSC 06553-03890, HIP 38835, HR 3102, HD 65228, SAO 174852
Database references

11 Puppis (11 Pup) is a class F7/8II[2] (yellow-white bright giant) star in the constellation Puppis. Its apparent magnitude is 4.20[2] and it is approximately 522 light years away based on parallax.[1]


  1. ^ a b c d e f Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b c d e f Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971Freely accessible. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015.  Vizier catalog entry
  3. ^ a b Mermilliod, J. C. (2006). "VizieR Online Data Catalog: Homogeneous Means in the UBV System (Mermilliod 1991)". VizieR On-line Data Catalog: II/168. Originally published in: Institut d'Astronomie. 2168. Bibcode:2006yCat.2168....0M. Vizier catalog entry
  4. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. arXiv:1606.08053Freely accessible. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. 
  5. ^ a b c Earle Luck, R. (2014). "Parameters and Abundances in Luminous Stars". The Astronomical Journal. 147 (6): 137. Bibcode:2014AJ....147..137L. doi:10.1088/0004-6256/147/6/137. 
  6. ^ De Medeiros, J. R.; Mayor, M. (1999). "A catalog of rotational and radial velocities for evolved stars". Astronomy and Astrophysics Supplement Series. 139 (3): 433. arXiv:astro-ph/0608248Freely accessible. Bibcode:1999A&AS..139..433D. doi:10.1051/aas:1999401.  Vizier catalog entry