HD 128093
| Observation data EpochJ2000EquinoxJ2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h34m11.70723s[1] |
| Declination | +32° 32′ 04.1218″[1] |
| Apparent magnitude(V) | 6.33[2] |
| Characteristics | |
| Spectral type | F5V[3] |
| U−Bcolor index | −0.01[4] |
| B−Vcolor 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 ± 0.37mas[1] |
| Distance | 132 ± 2ly (40.6 ± 0.6pc) |
| Absolute magnitude(MV) | 3.29[2] |
| Details | |
| Luminosity | 3.9[6]L☉ |
| Surface gravity(logg) | 4.13[7]cgs |
| Temperature | 6,463[7]K |
| Metallicity[Fe/H] | −0.27±0.03[7]dex |
| Rotational velocity(vsini) | 15[7]km/s |
| Age | 3.1[2]Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 128093is adouble starin theconstellationBoötes.The brighter component is anF-type main-sequence starwith astellar classificationof F5V[3]and anapparent magnitudeof 6.33.[2]It has a magnitude 11.33 companion at anangular separationof 28.1 along aposition angleof 318°.[8]
References
[edit]- ^abcdevan 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,S2CID18759600.
- ^abcdHolmberg, 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,S2CID118577511.
- ^abHoffleit, D.; Warren Jr, W. H. (1991),Bright Star Catalogue(5th Revised (Preliminary Version) ed.), Astronomical Data Center, NSSDC/ADC,retrieved2015-08-17
- ^abMermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)",Catalogue of Eggen's UBV Data.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,arXiv:1208.2037,Bibcode:2012MNRAS.427..343M,doi:10.1111/j.1365-2966.2012.21873.x,S2CID118665352
- ^abcdBalachandran, 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.
- ^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,retrieved2015-07-22
External links
[edit]
 | This binary or multiple star system–related article is astub.You can help Wikipedia byexpanding it. |
 | This main-sequence-star-related article is astub.You can help Wikipedia byexpanding it. |