HD 63513 (HR 3036) is a solitary star located in the southern circumpolar constellation Volans. It has an apparent magnitude of 6.38, placing it near the max naked eye visibility. The star is situated at a distance of 634 light years[1] but is receding with a heliocentric radial velocity of 1.4 km/s.[5]
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Volans |
| Right ascension | 07h 44m 43.8535s[1] |
| Declination | −66° 04′ 18.9536″[1] |
| Apparent magnitude (V) | 6.38 ± 0.01[2] |
| Characteristics | |
| Spectral type | G6/8 III[3] |
| U−B color index | +0.66[4] |
| B−V color index | +0.95[4] |
| Astrometry | |
| Radial velocity (Rv) | 1.4 ± 0.4[5] km/s |
| Proper motion (μ) | RA: −16.880[1] mas/yr Dec.: +48.274[1] mas/yr |
| Parallax (π) | 5.1439 ± 0.0162 mas[1] |
| Distance | 634 ± 2 ly (194.4 ± 0.6 pc) |
| Absolute magnitude (MV) | −0.06[6] |
| Details[7] | |
| Mass | 3.14 ± 0.10 M☉ |
| Radius | 12.87 ± 0.22 R☉ |
| Luminosity | 102 ± 2 L☉ |
| Surface gravity (log g) | 2.83 ± 0.11 cgs |
| Temperature | 5116 ± 35 K |
| Metallicity [Fe/H] | +0.01 ± 0.03 dex |
| Rotational velocity (v sin i) | 1.9 ± 1.5[8] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
This object is a star with the characteristics of a G6 and G8 giant.[3] At present it has 3.14 times the mass of the Sun but has expanded to almost 13 times the Sun's girth.[7] It shines at 102 solar luminosities from its enlarged photosphere at an effective temperature of 5,116 K,[7] which gives it a yellow glow. HD 63513 has an iron abundance 102% that of the Sun,[7] placing it at solar metallicity and spins modestly with a projected rotational velocity of 1.9 km/s.[8]
References
edit- ^ a b c d e f Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. (Erratum: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
- ^ Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (March 2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H. ISSN 0004-6361.
- ^ a b Houk, N.; Cowley, A. P. (1975). University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90_ to -53_ƒ0. Bibcode:1975mcts.book.....H.
- ^ a b Johnson, H. L.; Mitchell, R. I.; Iriarte, B.; Wisniewski, W. Z. (1 January 1966). "UBVRIJKL Photometry of the Bright Stars". Communications of the Lunar and Planetary Laboratory. 4: 99–110. Bibcode:1966CoLPL...4...99J.
- ^ a b Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. ISSN 1063-7737. S2CID 119231169.
- ^ Anderson, E.; Francis, Ch. (May 2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331–346. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. ISSN 1063-7737. S2CID 255204555.
- ^ a b c d Ottoni, G.; Udry, S.; Ségransan, D.; Buldgen, G.; Lovis, C.; Eggenberger, P.; Pezzotti, C.; Adibekyan, V.; Marmier, M.; Mayor, M.; Santos, N. C.; Sousa, S. G.; Lagarde, N.; Charbonnel, C. (January 2022). "CORALIE radial-velocity search for companions around evolved stars (CASCADES): I. Sample definition and first results: Three new planets orbiting giant stars". Astronomy & Astrophysics. 657: A87. arXiv:2201.01528. Bibcode:2022A&A...657A..87O. doi:10.1051/0004-6361/202040078. ISSN 0004-6361.
- ^ a b De Medeiros, J. R.; Alves, S.; Udry, S.; Andersen, J.; Nordström, B.; Mayor, M. (January 2014). "A catalog of rotational and radial velocities for evolved stars: V. Southern stars⋆⋆⋆". Astronomy & Astrophysics. 561: A126. arXiv:1312.3474. Bibcode:2014A&A...561A.126D. doi:10.1051/0004-6361/201220762. ISSN 0004-6361.