Astronomy:HD 63744
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Short description: Star in the constellation Puppis
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| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Puppis |
| Right ascension | 07h 48m 20.16042s[1] |
| Declination | −47° 04′ 39.7985″[1] |
| Apparent magnitude (V) | 4.71[2] |
| Characteristics | |
| Spectral type | K0III[3] |
| U−B color index | +0.92[2] |
| B−V color index | +1.06[2] |
| Astrometry | |
| Radial velocity (Rv) | -1.20[4] km/s |
| Proper motion (μ) | RA: -101.85[1] mas/yr Dec.: -78.08[1] mas/yr |
| Parallax (π) | 14.04 ± 0.16[1] mas |
| Distance | 232 ± 3 ly (71.2 ± 0.8 pc) |
| Absolute magnitude (MV) | 0.43[5] |
| Details | |
| Mass | 1.27[6] M☉ |
| Radius | 13[6] R☉ |
| Luminosity | 84.48[5] L☉ |
| Surface gravity (log g) | 2.34[6] cgs |
| Temperature | 4,750[7] K |
| Metallicity [Fe/H] | -0.02[8] dex |
| Rotational velocity (v sin i) | < 1.0[9] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 63744 is a class K0III[3] (orange giant) star in the constellation Puppis. Its apparent magnitude is 4.71[2] and it is approximately 232 light years away based on parallax.[1]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. doi:10.1051/0004-6361:20078357. Bibcode: 2007A&A...474..653V. Vizier catalog entry
- ↑ 2.0 2.1 2.2 2.3 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.
- ↑ 3.0 3.1 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.
- ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759–771. doi:10.1134/S1063773706110065. Bibcode: 2006AstL...32..759G.
- ↑ 5.0 5.1 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode: 2012AstL...38..331A. Vizier catalog entry
- ↑ 6.0 6.1 6.2 Allende Prieto, C.; Lambert, D. L. (1999). "Fundamental parameters of nearby stars from the comparison with evolutionary calculations: Masses, radii and effective temperatures". Astronomy and Astrophysics 352: 555–562. Bibcode: 1999A&A...352..555A. Vizier catalog entry
- ↑ Gontcharov, G. A. (2009). "Red giant clump in the Tycho-2 catalogue". Astronomy Letters 34 (11): 785–796. doi:10.1134/S1063773708110078. Bibcode: 2008AstL...34..785G. Vizier catalog entry
- ↑ Soubiran, Caroline; Le Campion, Jean-François; Brouillet, Nathalie; Chemin, Laurent (2016). "The PASTEL catalogue: 2016 version". Astronomy & Astrophysics 591: A118. doi:10.1051/0004-6361/201628497. Bibcode: 2016A&A...591A.118S.
- ↑ 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. doi:10.1051/0004-6361/201220762. Bibcode: 2014A&A...561A.126D. Vizier catalog entry
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