HD 125040
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 16m 32.84326s[1] |
| Declination | +20° 07′ 18.6591″[1] |
| Apparent magnitude (V) | 6.25[2] |
| Characteristics | |
| Spectral type | F8V[3] |
| B−V color index | +0.488[2] |
| Astrometry | |
| Radial velocity (Rv) | −7.20±0.55[4] km/s |
| Proper motion (μ) | RA: −135.85±0.57[1] mas/yr Dec.: −93.28±0.46[1] mas/yr |
| Parallax (π) | 30.65 ± 0.64[1] mas |
| Distance | 106 ± 2 ly (32.6 ± 0.7 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
HD 125040 is a visual binary star in the northern constellation Boötes. The pair orbit each other with a semi-major axis of 105 astronomical units and a period of roughly 750 years.[6]
References
- 1 2 3 4 5 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752
. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry - 1 2 Häggkvist, L.; Oja, T. (1969), "Photoelectric BV photometry of 368 northern stars", Arkiv för Astronomi, 5: 125−135, Bibcode:1969ArA.....5..125H
- ↑ Harlan, E. A.; Taylor, D. C. (March 1970), "MK classification for F- and G-type stars. II", Astronomical Journal, 75 (2): 165–166, Bibcode:1970AJ.....75..165H, doi:10.1086/110956
- ↑ Valenti, Jeff A.; Fischer, Debra A. (July 2005). "Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs". The Astrophysical Journal Supplement Series. 159 (1): 141–166. Bibcode:2005ApJS..159..141V. doi:10.1086/430500.
- ↑ "HR 5346 -- Star in double system". SIMBAD Astronomical Database. Centre de données astronomiques de Strasbourg. Retrieved 2014-10-02.
- ↑ Mason, Brian D.; et al. (2013). "Speckle Interferometry at the U.S. Naval Observatory. XIX". The Astronomical Journal. 146 (3). 56. Bibcode:2013AJ....146...56M. doi:10.1088/0004-6256/146/3/56.
External links
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