HD 70555

Last updated
HD 70555
Puppis constellation map.svg
Red circle.svg
Location of HD 70555 (circled)
Observation data
Epoch J2000       Equinox J2000
Constellation Puppis
Right ascension 08h 21m 23.02665s [1]
Declination −33° 03′ 15.7147″ [1]
Apparent magnitude  (V)4.83 [2]
Characteristics
Spectral type K2.5II-III [3]
U−B color index +1.60 [2]
B−V color index +1.45 [2]
Astrometry
Radial velocity (Rv)+33.20 [4] km/s
Proper motion (μ)RA: −11.11 [1] mas/yr
Dec.: +2.85 [1] mas/yr
Parallax (π)3.24±0.25  mas [1]
Distance 1,010 ± 80  ly
(310 ± 20  pc)
Absolute magnitude  (MV)−2.60 [5]
Details
Mass 7.9 [6]   M☉
Luminosity 2,230 [5]   L☉
Surface gravity (log g)1.67 [7]   cgs
Temperature 4,265 [8]   K
Metallicity [Fe/H]−0.12 [5]   dex
Rotational velocity (v sin i)3.8 [9]  km/s
Other designations
w Puppis, CD−32°5185, FK5  1219, GC  11400, GSC  07126-03938, HIP  40945, HR  3282, HD  70555, SAO  199118
Database references
SIMBAD data

HD 70555 (w Puppis) is a class K2.5II-III [3] (orange giant) star in the constellation Puppis. Its apparent magnitude is 4.83 [2] and it is approximately 1,010 light years away based on parallax. [1]

w Puppis should not be confused with W Puppis (Uppercase, Bayer designation), [10] or W Puppis (Uppercase, Variable star designation). [11]

References

  1. 1 2 3 4 5 6 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv: 0708.1752 . Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. S2CID   18759600. Vizier catalog entry
  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 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. ↑ Wilson, R. E. (1953). "General Catalogue of Stellar Radial Velocities". Carnegie Institute Washington D.C. Publication. Carnegie Institution for Science. Bibcode:1953GCRV..C......0W. LCCN   54001336.
  5. 1 2 3 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. S2CID   119257644. Vizier catalog entry
  6. ↑ Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society. 410 (1): 190–200. arXiv: 1007.4883 . Bibcode:2011MNRAS.410..190T. doi: 10.1111/j.1365-2966.2010.17434.x . S2CID   118629873. Vizier catalog entry
  7. ↑ 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. S2CID   119258214.
  8. ↑ 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 (1): 343–357. arXiv: 1208.2037 . Bibcode:2012MNRAS.427..343M. doi: 10.1111/j.1365-2966.2012.21873.x . S2CID   118665352. Vizier catalog entry
  9. ↑ De Medeiros, J. R.; Alves, S.; Udry, S.; Andersen, J.; Nordström, B.; Mayor, M. (2014). "A catalog of rotational and radial velocities for evolved stars". Astronomy & Astrophysics. 561: A126. arXiv: 1312.3474 . Bibcode:2014A&A...561A.126D. doi:10.1051/0004-6361/201220762. S2CID   54046583. Vizier catalog entry
  10. ↑ W Puppis
  11. ↑ W Puppis


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