| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Orion |
| Right ascension | 05h 21m 43.5619s[1] |
| Declination | +08° 25′ 42.841″[1] |
| Apparent magnitude (V) | 5.80[2] |
| Characteristics | |
| Spectral type | B1V[3] |
| U−B color index | −0.88 [2] |
| B−V color index | −0.13[2] |
| Astrometry | |
| Radial velocity (Rv) | 25.30±3.5[4] km/s |
| Proper motion (μ) | RA: −0.438±0.227[1] mas/yr Dec.: −4.493±0.184[1] mas/yr |
| Parallax (π) | 1.8706 ± 0.1413 mas[1] |
| Distance | 1,700 ± 100 ly (530 ± 40 pc) |
| Absolute magnitude (MV) | −2.36[5] |
| Details | |
| Mass | 12.1±0.1[6] M☉ |
| Luminosity | 1,508[5] L☉ |
| Surface gravity (log g) | 4.194±0.044[7] cgs |
| Temperature | 24,838±450[7] K |
| Metallicity [Fe/H] | −0.43[8] dex |
| Age | 8.0±2.0[6] Myr |
| Other designations | |
HIP 25041, HD 34989, PMC 90-93 1242, uvby98 100034989, AG +08 591, HIC 25041, PPM 148818, VDB 38, ALS 8286, HR 1763, ROT 774, WH 21, BD +08 933, IRAS 05190+0822, SAO 112667, YZ 8 2140, FK5 2401, JP11 1038, [KSP2003] G194.6241-15.6072, GC 6574, LS VI +08 1, TD1 4461, [KSP2003] J052143.58+082543.0, GCRV 3206, 2MASS J05214355+0825425, TYC 700-1015-1, [M26] 1, MCW 299, UBV 5096, [SC93b] 146, GSC 00700-01015, N30 1147, UBV M 10870 | |
| Database references | |
| SIMBAD | data |
HD 34989 is a blue-white star in the main sequence, of apparent magnitude 5.80,[2] in the constellation of Orion. It is 1700 light-years from the Solar System.
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- ^ a b c d e Gaia Collaboration (2018-08-01). "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. ISSN 0004-6361. S2CID 49211658.
- ^ a b c d Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". YCat. Bibcode:2002yCat.2237....0D.
- ^ Sharpless, Stewart (September 1952). "A Study of the Orion Aggregate of Early-Type Stars". Astrophysical Journal. 116: 251. Bibcode:1952ApJ...116..251S. doi:10.1086/145610. ISSN 0004-637X.
- ^ Cite error: The named reference
Gontcharovwas invoked but never defined (see the help page). - ^ a b Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644.
- ^ a b Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (2011-01-01). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society. 410 (1): 190–200. arXiv:1007.4883. Bibcode:2011MNRAS.410..190T. doi:10.1111/j.1365-2966.2010.17434.x. ISSN 0035-8711. S2CID 118629873.
- ^ a b Huang, Wenjin; Gies, D. R.; McSwain, M. V. (October 2010). "A Stellar Rotation Census of B Stars: From ZAMS to TAMS". Astrophysical Journal. 722 (1): 605–619. arXiv:1008.1761. Bibcode:2010ApJ...722..605H. doi:10.1088/0004-637X/722/1/605. ISSN 0004-637X. S2CID 118532653.
- ^ Soubiran, Caroline; Le Campion, Jean-François; Brouillet, Nathalie; Chemin, Laurent (2016). "The PASTEL catalogue: 2016 version". Astronomy and Astrophysics. 591: A118. arXiv:1605.07384. Bibcode:2016A&A...591A.118S. doi:10.1051/0004-6361/201628497. S2CID 119258214.