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HD 24480
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Camelopardalis[1] |
| Right ascension | 03h 57m 08.2886s[2] |
| Declination | +61° 06′ 31.995″[2] |
| Apparent magnitude (V) | 5.05[3] |
| Characteristics | |
| Spectral type | K4III[4] |
| U−B color index | +1.18[5] |
| B−V color index | +1.42[5] |
| Astrometry | |
| Radial velocity (Rv) | −4.20±0.20[2] km/s |
| Proper motion (μ) | RA: −2.117(96) mas/yr[2] Dec.: −12.858(99) mas/yr[2] |
| Parallax (π) | 3.1699±0.1037 mas[2] |
| Distance | 1,030 ± 30 ly (320 ± 10 pc) |
| Details | |
| Mass | 1.8[6] M☉ |
| Radius | 87[7] R☉ |
| Luminosity | 2,170[7] L☉ |
| Surface gravity (log g) | 1.75[6] cgs |
| Temperature | 4,205[6] K |
| Metallicity [Fe/H] | −0.02[6] dex |
| Other designations | |
| BD+60°768, HD 24480, HIP 18488A, HR 1205, SAO 12968[8] | |
| Database references | |
| SIMBAD | data |
HD 24480 is a cool giant star in the northern constellation of Camelopardalis. It has a stellar classification of K4III and an apparent magnitude of 5.05.
The nearby HD 24481 is at a similar distance and shares a common proper motion. It is a hotter, A-[4] or B-type star and a suspected spectroscopic binary system.[9] It is 1.71 arcseconds away from HD 24480.[10]
References
[edit]- ^ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific. 99 (617): 695. Bibcode:1987PASP...99..695R. doi:10.1086/132034. Constellation record for this object at VizieR.
- ^ a b c d e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ Fabricius, C.; Høg, E.; Makarov, V. V.; Mason, B. D.; Wycoff, G. L.; Urban, S. E. (2002). "The Tycho double star catalogue". Astronomy and Astrophysics. 384: 180. Bibcode:2002A&A...384..180F. doi:10.1051/0004-6361:20011822.
- ^ a b Abt, Helmut A. (2008). "Visual Multiples. IX. MK Spectral Types". The Astrophysical Journal Supplement Series. 176 (1): 216–217. Bibcode:2008ApJS..176..216A. doi:10.1086/525529.
- ^ a b Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. SIMBAD. Bibcode:1986EgUBV........0M.
- ^ a b c d Khalatyan, A.; Anders, F.; Chiappini, C.; Queiroz, A. B. A.; Nepal, S.; Dal Ponte, M.; Jordi, C.; Guiglion, G.; Valentini, M.; Torralba Elipe, G.; Steinmetz, M.; Pantaleoni-González, M.; Malhotra, S.; Jiménez-Arranz, Ó.; Enke, H.; Casamiquela, L.; Ardèvol, J. (2024). "Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost". Astronomy and Astrophysics. 691: A98. arXiv:2407.06963. Bibcode:2024A&A...691A..98K. doi:10.1051/0004-6361/202451427.
- ^ a b Fetherolf, Tara; Pepper, Joshua; Simpson, Emilie; Kane, Stephen R.; Močnik, Teo; English, John Edward; Antoci, Victoria; Huber, Daniel; Jenkins, Jon M.; Stassun, Keivan; Twicken, Joseph D.; Vanderspek, Roland; Winn, Joshua N. (2023). "Variability Catalog of Stars Observed during the TESS Prime Mission". The Astrophysical Journal Supplement Series. 268 (1): 4. arXiv:2208.11721. Bibcode:2023ApJS..268....4F. doi:10.3847/1538-4365/acdee5.
- ^ "HD 24480". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-01-25.
- ^ Parsons, Sidney B. (May 2004). "New and Confirmed Triple Systems with Luminous Cool Primaries and Hot Companions". The Astronomical Journal. 127 (5): 2915–2930. Bibcode:2004AJ....127.2915P. doi:10.1086/383546.
- ^ Eggleton, P. P.; Tokovinin, A. A. (September 2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869–879. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x. S2CID 14878976.
External links
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