Astronomy:HD 24480
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Short description: Multiple star systemin the constellation Camelopardalis
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Camelopardalis |
| Right ascension | 03h 57m 08.2886s[1] |
| Declination | +61° 06′ 31.9947″[1] |
| Apparent magnitude (V) | 4.98[2] (5.20 + 8.08)[3] |
| Characteristics | |
| Spectral type | K4III + A[4] |
| U−B color index | +1.18[2] |
| B−V color index | +1.42[2] |
| Astrometry | |
| Radial velocity (Rv) | −3.82±0.49[1] km/s |
| Proper motion (μ) | RA: −1.700[1] mas/yr Dec.: −13.409[1] mas/yr |
| Parallax (π) | 3.3913 ± 0.1647[1] mas |
| Distance | 960 ± 50 ly (290 ± 10 pc) |
| Details | |
| A | |
| Radius | 90[5] R☉ |
| Luminosity | 1,854 – 1,888[5] L☉ |
| Temperature | 3,986±170[5] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 24480 is a multiple[7] star system in the northern constellation of Camelopardalis. The brighter component is a giant star with a stellar classification of K4III and an apparent magnitude of 5.20.[3] The companion is a hotter, A-[4] or B-type star that is a suspected spectroscopic binary system.[7] The visible pair have an angular separation of 1.71 arcseconds.[3]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G. Gaia DR2 record for this source at VizieR.
- ↑ 2.0 2.1 2.2 Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. SIMBAD. Bibcode: 1986EgUBV........0M.
- ↑ 3.0 3.1 3.2 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.
- ↑ 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 5.2 Messineo, M.; Brown, A. G. A. (2019). "A Catalog of Known Galactic K-M Stars of Class I Candidate Red Supergiants in Gaia DR2". The Astronomical Journal 158 (1): 20. doi:10.3847/1538-3881/ab1cbd. Bibcode: 2019AJ....158...20M.
- ↑ "HD 24480". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+24480.
- ↑ 7.0 7.1 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.
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