HD 128198
| Observation data EpochJ2000EquinoxJ2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h34m38.5001s[1] |
| Declination | +36° 37′ 33.83″[1] |
| Apparent magnitude(V) | 6.1657[2] |
| Characteristics | |
| Spectral type | K4III[3] |
| U−Bcolor index | +1.59[4] |
| B−Vcolor index | +1.38[4] |
| Astrometry | |
| Radial velocity(Rv) | −9.88±0.20[2]km/s |
| Proper motion(μ) | RA:−24.61[1]mas/yr Dec.:−46.29[1]mas/yr |
| Parallax(π) | 6.43 ± 0.42mas[1] |
| Distance | 510 ± 30ly (160 ± 10pc) |
| Details | |
| Luminosity | 161[5]L☉ |
| Temperature | 4,300[5]K |
| Metallicity[Fe/H] | −0.11±0.09[6]dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 128198is agiant starin the northernconstellationofBoötes.
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.
- ^abFamaey, B.; et al. (2005), "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters",Astronomy and Astrophysics,430:165–186,arXiv:astro-ph/0409579,Bibcode:2005A&A...430..165F,doi:10.1051/0004-6361:20041272,S2CID17804304.
- ^Sato, K.; Kuji, S. (November 1990), "MK classification and photometry of stars used for time and latitude observations at Mizusawa and Washington",Astronomy and Astrophysics Supplement Series,85(3): 1069–1087,Bibcode:1990A&AS...85.1069S.
- ^abGuetter, H. H.; Hewitt, A. V. (June 1984), "Photoelectric UBV photometry for 317 PZT and VZT stars",Publications of the Astronomical Society of the Pacific,96:441–443,Bibcode:1984PASP...96..441G,doi:10.1086/131362.
- ^abMcDonald, 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.
- ^Taylor, B.J. (February 1999),"Catalogs of temperatures and [Fe/H] averages for evolved G and K stars",Astronomy and Astrophysics Supplement,134(3): 523–524,Bibcode:1999A&AS..134..523T,doi:10.1051/aas:1999153.
External links
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