Astronomy:HD 24480
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Short description: Multiple star systemin the constellation Camelopardalis
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| 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)[2] mas/yr Dec.: −12.858(99)[2] mas/yr |
| Parallax (π) | 3.1699 ± 0.1037[2] mas |
| 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 | |
| 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
- ↑ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific 99 (617): 695. doi:10.1086/132034. Bibcode: 1987PASP...99..695R Constellation record for this object at VizieR.
- ↑ 2.0 2.1 2.2 2.3 2.4 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940 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. doi:10.1051/0004-6361:20011822. Bibcode: 2002A&A...384..180F.
- ↑ 4.0 4.1 Abt, Helmut A. (2008). "Visual Multiples. IX. MK Spectral Types". The Astrophysical Journal Supplement Series 176 (1): 216–217. doi:10.1086/525529. Bibcode: 2008ApJS..176..216A.
- ↑ 5.0 5.1 Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. SIMBAD. Bibcode: 1986EgUBV........0M.
- ↑ 6.0 6.1 6.2 6.3 Khalatyan, A.; Anders, F.; Chiappini, C.; Queiroz, A. B. A.; Nepal, S.; Dal Ponte, M.; Jordi, C.; Guiglion, G. et al. (2024). "Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost". Astronomy and Astrophysics 691: A98. doi:10.1051/0004-6361/202451427. Bibcode: 2024A&A...691A..98K.
- ↑ 7.0 7.1 Fetherolf, Tara; Pepper, Joshua; Simpson, Emilie; Kane, Stephen R.; Močnik, Teo; English, John Edward; Antoci, Victoria; Huber, Daniel et al. (2023). "Variability Catalog of Stars Observed during the TESS Prime Mission". The Astrophysical Journal Supplement Series 268 (1): 4. doi:10.3847/1538-4365/acdee5. Bibcode: 2023ApJS..268....4F.
- ↑ "HD 24480". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+24480.
- ↑ Parsons, Sidney B. (May 2004). "New and Confirmed Triple Systems with Luminous Cool Primaries and Hot Companions". The Astronomical Journal 127 (5): 2915–2930. doi:10.1086/383546. Bibcode: 2004AJ....127.2915P.
- ↑ 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. doi:10.1111/j.1365-2966.2008.13596.x. Bibcode: 2008MNRAS.389..869E.
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