Astronomy:HD 128333
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Short description: Star in the constellation Boötes
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 34m 39.62069s[2] |
| Declination | +49° 22′ 06.0729″[2] |
| Apparent magnitude (V) | 5.74[3] |
| Characteristics | |
| Evolutionary stage | AGB[4] |
| Spectral type | M1III[4] |
| U−B color index | +1.88[3] |
| B−V color index | +1.56[3] |
| Variable type | Lb[5] |
| Astrometry | |
| Radial velocity (Rv) | −23.93[6] km/s |
| Proper motion (μ) | RA: −45.517[2] mas/yr Dec.: +49.940[2] mas/yr |
| Parallax (π) | 4.6569 ± 0.0526[2] mas |
| Distance | 700 ± 8 ly (215 ± 2 pc) |
| Absolute magnitude (MV) | −0.32[7] |
| Details | |
| Mass | 1.13[8] M☉ |
| Radius | 67[9] R☉ |
| Luminosity | 869[9] L☉ |
| Surface gravity (log g) | 1.00[8] cgs |
| Temperature | 3,734[8] K |
| Metallicity [Fe/H] | +0.10[8] dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 128333 or CH Boötis is an irregular variable star in the northern constellation of Boötes. It is currently on the asymptotic giant branch of the HR diagram.[4]
References
- ↑ "Hipparcos Tools Interactive Data Access". ESA. https://www.cosmos.esa.int/web/hipparcos/interactive-data-access.
- ↑ 2.0 2.1 2.2 2.3 2.4 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940 Gaia DR3 record for this source at VizieR.
- ↑ 3.0 3.1 3.2 Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode: 1986EgUBV........0M.
- ↑ 4.0 4.1 4.2 Eggen, O. J. (1992). "Asymptotic giant branch stars near the sun". The Astronomical Journal 104: 275. doi:10.1086/116239. Bibcode: 1992AJ....104..275E.
- ↑ Lebzelter, T.; Hinkle, K. H. (October 2002), "Velocity variability of semiregular and irregular variables", Astronomy and Astrophysics 393 (2): 563–571, doi:10.1051/0004-6361:20021085, Bibcode: 2002A&A...393..563L.
- ↑ 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.
- ↑ Gontcharov, G. A. (2017). "VizieR Online Data Catalog: Tycho-2 red giant branch and carbon stars (Gontcharov, 2011)". VizieR On-Line Data Catalog. Bibcode: 2017yCat..90370769G.
- ↑ 8.0 8.1 8.2 8.3 Anders, F.; Khalatyan, A.; Chiappini, C.; Queiroz, A. B.; Santiago, B. X.; Jordi, C.; Girardi, L.; Brown, A. G. A. et al. (2019-08-01). "Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18". Astronomy and Astrophysics 628: A94. doi:10.1051/0004-6361/201935765. ISSN 0004-6361. Bibcode: 2019A&A...628A..94A.
- ↑ 9.0 9.1 McDonald, I.; Zijlstra, A. A.; Watson, R. A. (15 June 2017). "Fundamental parameters and infrared excesses of Tycho–Gaia stars". Monthly Notices of the Royal Astronomical Society 471 (1): 770–791. doi:10.1093/mnras/stx1433. ISSN 0035-8711. Bibcode: 2017MNRAS.471..770M.
External links
- HR 5452 VizieR Bright Star Catalog entry
- Image HD 128333
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