HD 16028 (original) (raw)
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Orange giant star in the constellation Andromeda
HD 16028
| Observation dataEpoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 02h 35m 38.7415s[1] |
| Declination | +37° 18′ 44.1425″[1] |
| Apparent magnitude (V) | 5.71[2] |
| Characteristics | |
| Spectral type | K3III[3] |
| B−V color index | 1.41[2] |
| Astrometry | |
| Radial velocity (Rv) | −5.48±0.20[1] km/s |
| Proper motion (μ) | RA: −1.454±0.217[1] mas/yr Dec.: −13.822±0.177[1] mas/yr |
| Parallax (π) | 4.4409 ± 0.1180 mas[1] |
| Distance | 730 ± 20 ly (225 ± 6 pc) |
| Details[4] | |
| Luminosity | 299.05 L☉ |
| Temperature | 4,371 K |
| Other designations | |
| BD+36° 519, SAO 55684, HIP 12072, HR 748. | |
| Database references | |
| SIMBAD | data |
HD 16028 is a star in the constellation Andromeda. Its apparent magnitude is 5.71.[2] Located approximately 225 parsecs (730 ly) distant,[1] it is an orange giant of spectral type K3III,[3] a star that has used up its core hydrogen and has expanded.
Double star catalogues list two stars as optical companions. One has a magnitude of 10.9 and is separated by 16.9 arcseconds. It has been suggested it is related to the primary,[3] but parallax measured by Gaia yields a much greater distance for this star in comparison to HD 16028.[5] The other is even fainter and is separated 45 arcseconds from the primary.[6]
- ^ a b c d e f g Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- ^ a b c Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (2000), "The Tycho-2 catalogue of the 2.5 million brightest stars", Astronomy & Astrophysics, 355: L27–L30, Bibcode:2000A&A...355L..27H.
- ^ a b c Eggleton, P. P.; Tokovinin, A. A. (2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x. S2CID 14878976.
- ^ McDonald, I.; Zijlstra, A. A.; et al. (2012), "Fundamental parameters and infrared excesses of Hipparcos stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–357, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x, S2CID 118665352.
- ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- ^ "UCAC4 637-009202". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved January 3, 2019.