HD 27245
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Camelopardalis |
Right ascension | 04h 21m 47.64935s[1] |
Declination | +60° 44′ 08.2430″[1] |
Apparent magnitude (V) | 5.5234±0.0010[2] |
Characteristics | |
Spectral type | M0 III[3] |
U−B color index | +1.81[4] |
B−V color index | +1.50[4] |
Astrometry | |
Radial velocity (Rv) | +25.16±0.27[5] km/s |
Proper motion (μ) | RA: +55.55[1] mas/yr Dec.: −114.56[1] mas/yr |
Parallax (π) | 7.31 ± 0.35[1] mas |
Distance | 450 ± 20 ly (137 ± 7 pc) |
Absolute magnitude (MV) | −0.40[2] |
Other designations | |
Database references | |
SIMBAD | data |
HD 27245 is a variable[7] red giant[2] star in the northern constellation of Camelopardalis.
References[]
- ^ a b c d e 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, S2CID 18759600
- ^ a b c Famaey, B.; et al. (January 2005), "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters", Astronomy and Astrophysics, 430 (1): 165–186, arXiv:astro-ph/0409579, Bibcode:2005A&A...430..165F, doi:10.1051/0004-6361:20041272, S2CID 17804304
- ^ Appenzeller, Immo (April 1967), "MK Spectral Types for 185 Bright Stars", Publications of the Astronomical Society of the Pacific, 79 (467): 102, Bibcode:1967PASP...79..102A, doi:10.1086/128449
- ^ a b Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode:1986EgUBV........0M
- ^ de Bruijne, J. H. J.; Eilers, A.-C. (October 2012), "Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project", Astronomy & Astrophysics, 546: 14, arXiv:1208.3048, Bibcode:2012A&A...546A..61D, doi:10.1051/0004-6361/201219219, S2CID 59451347, A61.
- ^ "HD 27245". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-06-05.
- ^ Pyl'skaja, O. P.; et al. (December 1978), "V-R Colours of Red Variable Stars", Information Bulletin on Variable Stars, 1513: 1, Bibcode:1978IBVS.1513....1P
External links[]
Categories:
- Camelopardalis (constellation)
- Henry Draper Catalogue objects
- Hipparcos objects
- M-type giants
- HR objects
- Suspected variables
- Durchmusterung objects
- Variable star stubs
- Giant-star stubs