Astronomy:HD 128198
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Short description: Star in the constellation Boötes
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 34m 38.5001s[1] |
| Declination | +36° 37′ 33.83″[1] |
| Apparent magnitude (V) | 6.1657[2] |
| Characteristics | |
| Spectral type | K4III[3] |
| U−B color index | +1.59[4] |
| B−V color 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 ± 0.42[1] mas |
| Distance | 510 ± 30 ly (160 ± 10 pc) |
| Details | |
| Luminosity | 161[5] L☉ |
| Temperature | 4,300[5] K |
| Metallicity [Fe/H] | −0.11±0.09 [6] dex |
| Other designations | |
BD+37° 2551, HD 128198, HIP 71277, HR 5448, SAO 64227. | |
| Database references | |
| SIMBAD | data |
HD 128198 is a giant star in the northern constellation of Boötes.
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 Famaey, 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, doi:10.1051/0004-6361:20041272, Bibcode: 2005A&A...430..165F.
- ↑ 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.
- ↑ 4.0 4.1 Guetter, 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, doi:10.1086/131362, Bibcode: 1984PASP...96..441G.
- ↑ 5.0 5.1 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.
- ↑ 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, doi:10.1051/aas:1999153, Bibcode: 1999A&AS..134..523T, https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=1642&context=facpub.
External links
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