Astronomy:HD 126200
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Short description: Blue dwarf star in the constellation Boötes
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 24m 00.87671s[1] |
| Declination | +08° 14′ 38.2990″[1] |
| Apparent magnitude (V) | 5.80[2] |
| Characteristics | |
| Spectral type | A3V[3] |
| U−B color index | +0.12[2] |
| B−V color index | +0.03[2] |
| Variable type | Algol variable |
| Astrometry | |
| Radial velocity (Rv) | −7.0±4.3[4] km/s |
| Proper motion (μ) | RA: −5.94±0.33[1] mas/yr Dec.: −13.35±0.28[1] mas/yr |
| Parallax (π) | 7.38 ± 0.37[1] mas |
| Distance | 440 ± 20 ly (136 ± 7 pc) |
| Details | |
| Rotational velocity (v sin i) | 144[5] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 126200 is a blue dwarf star in the northern constellation of Boötes. It has been identified as an Algol-type eclipsing binary, although subsequent observations do not confirm this.[2][6]
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 2.2 2.3 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.
- ↑ 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.
- ↑ Royer, F.; Zorec, J.; Gómez, A. E. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions", Astronomy and Astrophysics 463 (2): 671–682, doi:10.1051/0004-6361:20065224, Bibcode: 2007A&A...463..671R.
- ↑ 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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