Astronomy:HD 124448
From HandWiki
Short description: Star in the constellation Centaurus
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Centaurus (constellation) |
| Right ascension | 14h 14m 58.6293s[2] |
| Declination | −46° 17′ 19.294″[2] |
| Apparent magnitude (V) | 9.94 - 10.03[3] |
| Astrometry | |
| Proper motion (μ) | RA: −6.544±0.038 mas/yr Dec.: −0.049±0.032 mas/yr |
| Parallax (π) | 0.6240 ± 0.0312[2] mas |
| Distance | 5,200 ± 300 ly (1,600 ± 80 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 124448, also called Popper's Star and V821 Centauri, is an extreme helium star in the Centaurus constellation.[1] Discovered by astronomer Daniel Popper, this star has a spectral classification of B2-B3 and a radius of 13 R☉.[5][6]
References
- ↑ 1.0 1.1 Jeffery, C. Simon; Barentsen, Geert; Handler, Gerald (2020). "TESS photometry of extreme helium stars PV Tel and V821 Cen". Monthly Notices of the Royal Astronomical Society 495 (1): L135–L138. doi:10.1093/mnrasl/slaa075. Bibcode: 2020MNRAS.495L.135J.
- ↑ 2.0 2.1 2.2 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.
- ↑ "V821 Cen". Sternberg Astronomical Institute. http://www.sai.msu.su/gcvs/cgi-bin/search2.cgi?search=V821+Cen.
- ↑ "HD 124448". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+124448.
- ↑ Schoenberner, D.; Wolf, R. E. A. (1974). "Fine analysis of Popper's star HD 124448". Astronomy and Astrophysics 37: 87. Bibcode: 1974A&A....37...87S.
- ↑ Popper, Daniel M. (1946). "The Spectrum of HD 124448. Second Note". Publications of the Astronomical Society of the Pacific 58 (345): 370. doi:10.1086/125875. Bibcode: 1946PASP...58..370P.
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