V838 Herculis
V838 Herculis was a nova which occurred in the constellation Hercules in 1991 and which reached magnitude 5.0.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Hercules |
| Right ascension | 18h 46m 31.55s[1] |
| Declination | +12° 14′ 00.7″[1] |
| Apparent magnitude (V) | 5.3 Max. 19.1 Min.[2] |
| Characteristics | |
| Variable type | Nova[2] |
| Astrometry | |
| Proper motion (μ) | RA: −2.691±1.666[1] mas/yr Dec.: −6.600±1.930[1] mas/yr |
| Parallax (π) | 0.4642 ± 0.7106[1] mas |
| Distance | 2530+3434 −636[2] pc |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
- Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- Schaefer, Bradley E. (2018). "The distances to Novae as seen by Gaia". Monthly Notices of the Royal Astronomical Society. 481 (3): 3033–3051. arXiv:1809.00180. Bibcode:2018MNRAS.481.3033S. doi:10.1093/mnras/sty2388.
- "V838 Herculis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-08-19.
External links
- https://web.archive.org/web/20050915104557/http://www.tsm.toyama.toyama.jp/curators/aroom/var/nova/1990.htm (the page is currently offline)
- V838 Herculis at the American Association of Variable Star Observers website
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