Astronomy:HD 126200
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Short description: Blue dwarf star in the constellation Boötes
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Boötes[1] |
| Right ascension | 14h 24m 00.87809s[2] |
| Declination | +08° 14′ 38.2833″[2] |
| Apparent magnitude (V) | 5.80[3] |
| Characteristics | |
| Evolutionary stage | main sequence[4] |
| Spectral type | A3V[5] |
| U−B color index | +0.12[3] |
| B−V color index | +0.03[3] |
| Variable type | Algol variable |
| Astrometry | |
| Radial velocity (Rv) | −7.0±4.3[6] km/s |
| Proper motion (μ) | RA: −6.395[2] mas/yr Dec.: −13.497[2] mas/yr |
| Parallax (π) | 7.9699 ± 0.1280[2] mas |
| Distance | 409 ± 7 ly (125 ± 2 pc) |
| Absolute magnitude (MV) | +0.29[1] |
| Details | |
| Mass | 2.5[2] M☉ |
| Radius | 3.4[2] R☉ |
| Luminosity | 65[2] L☉ |
| Surface gravity (log g) | 3.72[2] cgs |
| Temperature | 9,071[2] K |
| Metallicity [Fe/H] | −0.54[2] dex |
| Rotational velocity (v sin i) | 144[4] km/s |
| Age | 476[2] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 126200 is a main sequence star in the northern constellation of Boötes. It has been identified as an Algol-type eclipsing binary, although subsequent observations do not confirm this.[3][8]
References
- ↑ 1.0 1.1 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode: 2012AstL...38..331A.
- ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 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 3.3 Srivastava, J. B.; Kandpal, C. D. (August 1984). "HD 126200 - a Suspected Eclipsing Binary?". Information Bulletin on Variable Stars 2574 (2574): 1. Bibcode: 1984IBVS.2574....1S.
- ↑ 4.0 4.1 Zorec, J.; Royer, F. (2012). "Rotational velocities of A-type stars. IV. Evolution of rotational velocities". Astronomy and Astrophysics 537: A120. doi:10.1051/0004-6361/201117691. Bibcode: 2012A&A...537A.120Z.
- ↑ Cowley, A. et al. (April 1969). "A study of the bright A stars. I. A catalogue of spectral classifications". Astronomical Journal 74: 375–406. doi:10.1086/110819. Bibcode: 1969AJ.....74..375C.
- ↑ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759–771. doi:10.1134/S1063773706110065. Bibcode: 2006AstL...32..759G.
- ↑ "HD 126200". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+126200.
- ↑ Srivastava, R. K. (1998). "Neglected binaries of special interest". Bulletin of the Astronomical Society of India 26: 531. Bibcode: 1998BASI...26..531S.
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