| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 24m 18.26806s [1] |
| Declination | +08° 05′ 04.5567″ [1] |
| Apparent magnitude (V) | 6.18 [2] |
| Characteristics | |
| Spectral type | K4 III [3] |
| U−B color index | 1.24 [2] |
| B−V color index | 1.18 [2] |
| R−I color index | 0.6 |
| Astrometry | |
| Radial velocity (Rv) | −30.8±0.8 [4] km/s |
| Proper motion (μ) |
RA: −120.44
[1]
mas/
yr Dec.: −101.61 [1] mas/ yr |
| Parallax (π) | 9.09 ± 0.50 mas [1] |
| Distance | 360 ± 20
ly (110 ± 6 pc) |
| Details | |
| Mass | 1.4 [5] M☉ |
| Luminosity | 1.72 [3] L☉ |
| Surface gravity (log g) | 2.3 [5] cgs |
| Temperature | 4,410 [5] K |
| Metallicity [Fe/H] | +0.00 [5] dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 126271 is a suspected variable star in the northern constellation of Boötes.
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- ^ a b c Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode: 1986EgUBV........0M
- ^ a b Luck, R. Earle; Heiter, Ulrike (June 2007), "Giants in the Local Region", The Astronomical Journal, 133 (6): 2464–2486, Bibcode: 2007AJ....133.2464L, doi: 10.1086/513194
- ^ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv: 1606.08053. Bibcode: 2006AstL...32..759G. doi: 10.1134/S1063773706110065. S2CID 119231169.
- ^ a b c d Melo, C. H. F.; et al. (August 2005), "On the nature of lithium-rich giant stars. Constraints from beryllium abundances", Astronomy and Astrophysics, 439 (1): 227–235, arXiv: astro-ph/0504133, Bibcode: 2005A&A...439..227M, doi: 10.1051/0004-6361:20041805, S2CID 10580797.
External links
 | This variable star–related article is a stub. You can help Wikipedia by expanding it. |
 | This giant-star-related article is a stub. You can help Wikipedia by expanding it. |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 24m 18.26806s [1] |
| Declination | +08° 05′ 04.5567″ [1] |
| Apparent magnitude (V) | 6.18 [2] |
| Characteristics | |
| Spectral type | K4 III [3] |
| U−B color index | 1.24 [2] |
| B−V color index | 1.18 [2] |
| R−I color index | 0.6 |
| Astrometry | |
| Radial velocity (Rv) | −30.8±0.8 [4] km/s |
| Proper motion (μ) |
RA: −120.44
[1]
mas/
yr Dec.: −101.61 [1] mas/ yr |
| Parallax (π) | 9.09 ± 0.50 mas [1] |
| Distance | 360 ± 20
ly (110 ± 6 pc) |
| Details | |
| Mass | 1.4 [5] M☉ |
| Luminosity | 1.72 [3] L☉ |
| Surface gravity (log g) | 2.3 [5] cgs |
| Temperature | 4,410 [5] K |
| Metallicity [Fe/H] | +0.00 [5] dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 126271 is a suspected variable star in the northern constellation of Boötes.
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 Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode: 1986EgUBV........0M
- ^ a b Luck, R. Earle; Heiter, Ulrike (June 2007), "Giants in the Local Region", The Astronomical Journal, 133 (6): 2464–2486, Bibcode: 2007AJ....133.2464L, doi: 10.1086/513194
- ^ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv: 1606.08053. Bibcode: 2006AstL...32..759G. doi: 10.1134/S1063773706110065. S2CID 119231169.
- ^ a b c d Melo, C. H. F.; et al. (August 2005), "On the nature of lithium-rich giant stars. Constraints from beryllium abundances", Astronomy and Astrophysics, 439 (1): 227–235, arXiv: astro-ph/0504133, Bibcode: 2005A&A...439..227M, doi: 10.1051/0004-6361:20041805, S2CID 10580797.
External links
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| This variable star–related article is a stub. You can help Wikipedia by expanding it. |
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| This giant-star-related article is a stub. You can help Wikipedia by expanding it. |