HD 128093
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Boötes[1] |
| Right ascension | 14h 34m 11.70699s[2] |
| Declination | +32° 32′ 04.1236″[2] |
| Apparent magnitude (V) | 6.33[3] |
| Characteristics | |
| Evolutionary stage | main sequence[2] |
| Spectral type | F5V[4] |
| U−B color index | −0.01[5] |
| B−V color index | +0.40[5] |
| Astrometry | |
| Radial velocity (Rv) | −8.1[6] km/s |
| Proper motion (μ) | RA: +105.977[2] mas/yr Dec.: +6.572[2] mas/yr |
| Parallax (π) | 24.1788±0.0190 mas[2] |
| Distance | 134.9 ± 0.1 ly (41.36 ± 0.03 pc) |
| Absolute magnitude (MV) | 3.29[3] |
| Details | |
| Mass | 1.3[2] M☉ |
| Radius | 1.7[2] R☉ |
| Luminosity | 4.2[2] L☉ |
| Surface gravity (log g) | 4.08[2] cgs |
| Temperature | 6,439[2] K |
| Metallicity [Fe/H] | −0.27±0.03[7] dex |
| Rotational velocity (v sin i) | 15[7] km/s |
| Age | 2.6[2] Gyr |
| Other designations | |
| BD+33°2474, FK5 3153, HD 127304, HIP 71243, HR 5445, SAO 64221[8] | |
| Database references | |
| SIMBAD | data |
HD 128093 is an F-type main-sequence star in the constellation Boötes, 135 light years away. It has an apparent magnitude of 6.33,[3] and a spectral class of F5V.[4]
HD 128093 has a magnitude 11.33 companion at an angular separation of 28.1 along a position angle of 318°.[9] With a parallax of 2.6 mas, it is about 10 times further away than HD 128093.[10]
References
[edit]- ^ 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.
- ^ a b c d e f g h i j k l Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b c 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, arXiv:0811.3982, Bibcode:2009A&A...501..941H, doi:10.1051/0004-6361/200811191, S2CID 118577511.
- ^ a b Hoffleit, D.; Warren Jr, W. H. (1991), Bright Star Catalogue (5th Revised (Preliminary Version) ed.), Astronomical Data Center, NSSDC/ADC, retrieved 2015-08-17
- ^ a b Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data.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
- ^ 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.
- ^ a b Balachandran, Suchitra (May 1, 1990), "Lithium depletion and rotation in main-sequence stars", Astrophysical Journal, Part 1, 354: 310–332, Bibcode:1990ApJ...354..310B, doi:10.1086/168691.
- ^ "HD 128093". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2025-04-17.
- ^ Mason, B. D.; et al. (2014), "The Washington Visual Double Star Catalog", The Astronomical Journal, 122 (6): 3466, Bibcode:2001AJ....122.3466M, doi:10.1086/323920, retrieved 2015-07-22
- ^ Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
