Astronomy:HD 128093
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Short description: Star in the constellation Boötes
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 34m 11.70723s[1] |
| Declination | +32° 32′ 04.1218″[1] |
| Apparent magnitude (V) | 6.33[2] |
| Characteristics | |
| Spectral type | F5V[3] |
| U−B color index | −0.01[4] |
| B−V color index | +0.40[4] |
| Astrometry | |
| Radial velocity (Rv) | −8.1[5] km/s |
| Proper motion (μ) | RA: +106.12[1] mas/yr Dec.: +6.34[1] mas/yr |
| Parallax (π) | 24.65 ± 0.37[1] mas |
| Distance | 132 ± 2 ly (40.6 ± 0.6 pc) |
| Absolute magnitude (MV) | 3.29[2] |
| Details | |
| Luminosity | 3.9[6] L☉ |
| Surface gravity (log g) | 4.13[7] cgs |
| Temperature | 6,463[7] K |
| Metallicity [Fe/H] | −0.27±0.03[7] dex |
| Rotational velocity (v sin i) | 15[7] km/s |
| Age | 3.1[2] Gyr |
| Other designations | |
BD+33° 2474, FK5 3153, HD 127304, HIP 71243, HR 5445, SAO 64221 | |
| Database references | |
| SIMBAD | data |
HD 128093 is a double star in the constellation Boötes. The brighter component is an F-type main-sequence star with a stellar classification of F5V[3] and an apparent magnitude of 6.33.[2] It has a magnitude 11.33 companion at an angular separation of 28.1 along a position angle of 318°.[8]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, doi:10.1051/0004-6361:20078357, Bibcode: 2007A&A...474..653V.
- ↑ 2.0 2.1 2.2 2.3 Holmberg, J.; Nordström, B.; Andersen, J. (July 2009), "The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics", Astronomy and Astrophysics 501 (3): 941–947, doi:10.1051/0004-6361/200811191, Bibcode: 2009A&A...501..941H.
- ↑ 3.0 3.1 Hoffleit, D.; Warren Jr, W. H. (1991), Bright Star Catalogue (5th Revised (Preliminary Version) ed.), Astronomical Data Center, NSSDC/ADC, http://vizier.u-strasbg.fr/viz-bin/VizieR-S?HR%205445, retrieved 2015-08-17
- ↑ 4.0 4.1 Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode: 1986EgUBV........0M
- ↑ Wilson, R. E. (1953), "General Catalogue of Stellar Radial Velocities", Carnegie Institute Washington D.C. Publication (Carnegie Institute of Washington, D.C.), Bibcode: 1953GCRV..C......0W.
- ↑ McDonald, I. et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society 427 (1): 343–57, doi:10.1111/j.1365-2966.2012.21873.x, Bibcode: 2012MNRAS.427..343M
- ↑ 7.0 7.1 7.2 7.3 Balachandran, Suchitra (May 1, 1990), "Lithium depletion and rotation in main-sequence stars", Astrophysical Journal, Part 1 354: 310–332, doi:10.1086/168691, Bibcode: 1990ApJ...354..310B.
- ↑ Mason, B. D. et al. (2014), "The Washington Visual Double Star Catalog", The Astronomical Journal 122 (6): 3466, doi:10.1086/323920, Bibcode: 2001AJ....122.3466M, http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=B/wds, retrieved 2015-07-22
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