HD 125040
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 16m 32.843s[1] |
| Declination | +20° 07′ 18.66″[1] |
| Apparent magnitude (V) | 6.25 |
| Characteristics | |
| Spectral type | F8V |
| B−V color index | 0.49 |
| Astrometry | |
| Radial velocity (Rv) | –8.4 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) |
| Absolute magnitude (MV) | 6.74 |
| Details | |
| Mass | 1.7 M☉ |
| Radius | 1.4 R☉ |
| Luminosity | 6 L☉ |
| Temperature | 6,000–7,500 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
| Database references | |
| SIMBAD | data |
HD 125040 is a visual binary star in the constellation Boötes with a semi-major axis of 105 astronomical units and a period of roughly 750 years.[3]
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. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ↑ "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.
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