HD 70555

From Wikipedia, the free encyclopedia
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[1] mas
Distance1,010 ± 80 ly
(310 ± 20 pc)
Absolute magnitude (MV)-2.60[5]
Details
Mass7.9[6] M☉
Luminosity2,230[5] L☉
Surface gravity (log g)1.67[7] cgs
Temperature4,265[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
SIMBADdata

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 to be confused with W Puppis (Uppercase, Bayer designation),[10] or W Puppis (Uppercase, Variable star designation).[11]

References[]

  1. ^ a b c d e f 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. ^ 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 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. ^ a b c 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


Stub icon

This giant-star-related article is a stub. You can help Wikipedia by .

  • v
  • t
Retrieved from ""