HD 1185
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 00h 16m 21.53s[1] |
| Declination | +43° 35′ 42.2″[1] |
| Apparent magnitude (V) | 6.15[2] |
| Characteristics | |
| Spectral type | A2Vsp...[2] |
| B−V color index | 0.05[2] |
| Astrometry | |
| Radial velocity (Rv) | 3.00[2] km/s |
| Proper motion (μ) | RA: 35.12 ± 0.51[1] mas/yr Dec.: -23.14 ± 0.31[1] mas/yr |
| Parallax (π) | 9.39 ± 0.61[1] mas |
| Distance | 350 ± 20 ly (106 ± 7 pc) |
| Absolute magnitude (MV) | 6.2 |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
HD 1185 is a binary star[3] in the constellation Andromeda. The primary, with an apparent magnitude of 6.15, is a white main-sequence star of spectral type A2Vsp,[2] indicating peculiarities in the star's spectrum. The secondary, which is not visible to the naked eye at an apparent magnitude of 10.21, is also an A-type star.[4]
References
- 1 2 3 4 5 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752
. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry - 1 2 3 4 5 6 "HR 56". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 15 February 2014.
- ↑ McAlister, H. A.; Hartkopf, W. I.; Sowell, J. R.; Dombrowski, E. G.; Franz, O. G. (1989). "ICCD speckle observations of binary stars. IV - Measurements during 1986-1988 from the Kitt Peak 4 M telescope". The Astronomical Journal. 97: 510. Bibcode:1989AJ.....97..510M. doi:10.1086/115001.
- ↑ "BD+42 41B". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 15 February 2014.
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