HR 6819
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Telescopium |
| Right ascension | 18h 17m 07.53317s[1] |
| Declination | −56° 01′ 24.0684″[1] |
| Apparent magnitude (V) | +5.36[2] |
| Characteristics | |
| Evolutionary stage | Be star |
| Spectral type | B3IIIpe |
| U−B color index | -0.67[2] |
| B−V color index | -0.06[2] |
| Astrometry | |
| Radial velocity (Rv) | 15.00[2] km/s |
| Proper motion (μ) | RA: -4.10[1] mas/yr Dec.: -13.30[1] mas/yr |
| Parallax (π) | 4.29 ± 0.27 mas[1] |
| Distance | 760 ± 50 ly (230 ± 10 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
QV Telescopii (also catalogued as HR 6819) is a star in the constellation Telescopium. It is a Be star, a rapidly rotating blue-white star with a dusty disk surrounding it. It has a diameter around 3.9 times that of the Sun.[3]
References
- ^ a b c d e 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
- ^ a b c d "QV Tel". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 10 January 2017.
- ^ Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS)". Astronomy & Astrophysics. 367 (3rd ed.): 521–24. arXiv:astro-ph/0012289. Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451.
