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]

Related Research Articles

Zeta Monocerotis, Latinized from ζ Monocerotis, is a single, yellow-hued star in the constellation Monoceros. It has an apparent visual magnitude of 4.33, which is bright enough to be visible to the naked eye. The annual parallax shift as measured during the Hipparcos mission is 3.08 milliarcseconds, which provides a rough distance estimate of 1,060 light years. It is moving away from the Sun with a radial velocity of +30 km/s.

<span class="mw-page-title-main">17 Monocerotis</span> Star in the constellation Monoceros

17 Monocerotis is a single star located around 490 light years away from the Sun in the equatorial constellation of Monoceros. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.77. The star is moving away from the Earth with a heliocentric radial velocity of +46 km/s.

<span class="mw-page-title-main">17 Persei</span> Star in the constellation Perseus

17 Persei is a single star in the northern constellation of Perseus, located about 390 light years away from the Sun. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.53. This object is moving further from the Earth at a heliocentric radial velocity of +13 km/s.

<span class="mw-page-title-main">HD 20468</span> K-type bright giant star in the constellation Perseus

HD 20468 is a class K2II star in the constellation Perseus. Its apparent magnitude is 4.82 and it is approximately 1180 light years away based on parallax.

<span class="mw-page-title-main">HD 63922</span> Binary star system in the constellation Puppis

HD 63922 is a class B0III star in the constellation Puppis. Its apparent magnitude is 4.11 and it is approximately 1600 light years away based on parallax.

<span class="mw-page-title-main">HD 64760</span> Star in the constellation Puppis

HD 64760 is a class B0.5 supergiant star in the constellation Puppis. Its apparent magnitude is 4.24 and it is approximately 1,660 light years away based on parallax.

<span class="mw-page-title-main">16 Puppis</span> Star in the constellation Puppis

16 Puppis is a suspected astrometric binary star system in the southern constellation of Puppis, and is located in the northernmost part of its constellation, almost due north of the bright star Rho Puppis, and east of Canis Major. It is visible to the naked eye as a faint, blue-white hued star with an apparent visual magnitude of 4.40. The star is located is approximately 465 light years away from the Sun based on parallax. It was the brightest star in Officina Typographica, an obsolete constellation.

<span class="mw-page-title-main">HD 69142</span> Star in the constellation Puppis

HD 69142 is a class K1II-III star in the constellation Puppis. Its apparent magnitude is 4.44 and it is approximately 298 light years away based on parallax.

<span class="mw-page-title-main">HD 70060</span> Star in the constellation Puppis

HD 70060 is a class A8V star in the constellation Puppis. Its apparent magnitude is 4.45 and it is approximately 93.4 light years away based on parallax.

<span class="mw-page-title-main">QZ Puppis</span> Star in the constellation Puppis

QZ Puppis is a class B2.5V star in the constellation Puppis. Its apparent magnitude is 4.5 and it is approximately 650 light years away based on parallax.

<span class="mw-page-title-main">HD 61330</span> Star in the constellation Puppis

HD 61330 is a class B8IV star in the constellation Puppis. Its apparent magnitude is 4.53 and it is approximately 360 light years away based on parallax.

<span class="mw-page-title-main">HD 65810</span> Star in the constellation Puppis

HD 65810 is a class A2V star in the constellation Puppis. Its apparent magnitude is 4.61 and it is approximately 241 light years away based on parallax.

<span class="mw-page-title-main">NV Puppis</span> Star in the constellation Puppis

NV Puppis, also known as υ1 Puppis, is a class B2V star in the constellation Puppis. Its apparent magnitude is 4.67 and it is approximately 800 light years away based on parallax.

<span class="mw-page-title-main">HD 59890</span> Star in the constellation Puppis

HD 59890 is a class G3Ib yellow supergiant star in the constellation Puppis. Its apparent magnitude is 4.65 and it is approximately 1,360 light years away based on parallax.

<span class="mw-page-title-main">HD 63744</span> Star in the constellation Puppis

HD 63744 is a class K0III star in the constellation Puppis. Its apparent magnitude is 4.71 and it is approximately 232 light years away based on parallax.

<span class="mw-page-title-main">19 Puppis</span> Binary star in the constellation Puppis

19 Puppis is a binary star system in the southern constellation of Puppis, near the northern border with Hydra and Monoceros. It is visible to the naked eye as a faint, yellow-hued star with an apparent visual magnitude of 4.72. The system is located approximately 177 light years away from the system based on parallax. It is receding from the Earth with a heliocentric radial velocity of +36 km/s, having come to within 31 light-years some 1.4 million years ago.

<span class="mw-page-title-main">HD 68601</span> Star in the constellation Puppis

HD 68601 is a class A7Ib star in the constellation Puppis. Its apparent magnitude is 4.75 and it is approximately 4,200 light years away based on parallax.

<span class="mw-page-title-main">HD 61831</span> Star in the constellation Puppis

HD 61831 is a class B2.5V star in the constellation Puppis. Its apparent magnitude is 4.84 and it is approximately 556 light years away based on parallax.

<span class="mw-page-title-main">HD 51799</span> Star in the constellation Puppis

HD 51799 is a class M1III star in the constellation Puppis. Its apparent magnitude is 4.95 and it is approximately 860 light years away based on parallax.

<span class="mw-page-title-main">HD 50235</span> Star in the constellation Puppis

HD 50235 is a class K5III star located approximately 811 light years away, in the constellation Puppis. Its apparent magnitude is 4.99. HD 50235 made its closest approach to the Sun 7.8 million years ago, at the distance of 137 light years, during which it had an apparent magnitude of 1.13.

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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