1 Puppis

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1 Puppis
Puppis constellation map.svg
Red circle.svg

Location of 1 Puppis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis
Right ascension 07h 43m 32.38658s[1]
Declination −28° 24′ 39.1832″[1]
Apparent magnitude (V) 4.59[2]
Characteristics
Spectral type M1III[3]
U−B color index +1.94[2]
B−V color index +1.63[2]
Astrometry
Radial velocity (Rv) +32.40[4] km/s
Proper motion (μ) RA: -13.73[1] mas/yr
Dec.: +30.01[1] mas/yr
Parallax (π) 4.22 ± 0.23[1] mas
Distance 770 ± 40 ly
(240 ± 10 pc)
Absolute magnitude (MV) -2.24[5]
Details
Luminosity 1935[6] L
Surface gravity (log g) 0.32[7] cgs
Temperature 4,111[7] K
Metallicity [Fe/H] -0.19[7] dex
Rotational velocity (v sin i) 1.0[8] km/s
Other designations
CD-28°4767, CCDM J07435-2825A, GC 10409, GSC 06552-03227, HIP 37648, HR 2993, HD 62576, NSV 3708, SAO 174391, WDS J07435-2825A
Database references
SIMBAD data

1 Puppis (1 Pup) is a class M1III[3] (red giant) star in the constellation of Puppis. Its apparent magnitude is 4.59.[2]

1 Puppis lies in the northern part of the constellation at a distance of 770 ly,[1] east of Aludra in Canis Major and just above the white supergiant, 3 Puppis. It has several components besides the primary: B, of magnitude 13.7 and separation 26", C, of magnitude 9.21 and separation 78.8, and D, of magnitude 10.84 and separation from C of 1.3".[9]

References[edit]

  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 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. ^ a b Abt, Helmut A. (2008). "Visual Multiples. IX. MK Spectral Types". The Astrophysical Journal Supplement Series. 176: 216–217. Bibcode:2008ApJS..176..216A. doi:10.1086/525529. 
  4. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. 
  5. ^ 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
  6. ^ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427: 343. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.  Vizier catalog entry
  7. ^ 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. 
  8. ^ Glebocki, R.; Gnacinski, P. (2005). "VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)". VizieR On-line Data Catalog: III/244. Originally published in: 2005csss...13..571G; 2005yCat.3244....0G. 3244. Bibcode:2005yCat.3244....0G.  Vizier catalog entry
  9. ^ 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