HD 88522
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Antlia |
| Right ascension | 10h 12m 02.852s[1] |
| Declination | −28° 36′ 21.45″[1] |
| Apparent magnitude (V) | 6.28 |
| Characteristics | |
| Spectral type | A1V + A2V[2] |
| U−B color index | -0.01 |
| B−V color index | 0.01 |
| Astrometry | |
| Radial velocity (Rv) | 18 km/s |
| Proper motion (μ) | RA: −38.74 ± 0.46[1] mas/yr Dec.: −1.24 ± 0.48[1] mas/yr |
| Parallax (π) | 6.55 ± 0.58[1] mas |
| Distance | 500 ± 40 ly (150 ± 10 pc) |
| Details | |
| Mass | 3.1 M☉ |
| Radius | 2.1 R☉ |
| Luminosity | 40 L☉ |
| Temperature | 7,500–10,000 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 88522 is a double or multiple star. The component stars are two white stars of similar spectral type—A1V and A2V—and luminosity.[2]
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 Cvetkovic, Z.; Ninkovic, S. (2010). "On the Component Masses of Visual Binaries". Serbian Astronomical Journal 180: 71–80. Bibcode:2010SerAJ.180...71C. doi:10.2298/SAJ1080071C.
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