CT Serpentis
CT Serpentis (also known as Nova Serpentis 1948) was a nova that appeared in the constellation Serpens in 1948. It was discovered by Ramze Alexander Bartaya at Abastumani Observatory on 9 April 1946.[5][6] It is thought to have reached magnitude 6.0,[7] but this is an extrapolation of its light curve as it was not observed until 9 April 1948 when it was at magnitude 9.0 and fading—clearly past its maximum.[8]
 Location of CT Serpentis (circled in red) | |
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Serpens |
| Right ascension | 15h 45m 39.0752s[1] |
| Declination | +14° 22′ 31.7590″[1] |
| Apparent magnitude (V) | ~5 Max. 16.6 Min.[2] |
| Characteristics | |
| Spectral type | CV[3] |
| Variable type | Nova[2] |
| Astrometry | |
| Proper motion (μ) | RA: 3.780±0.119[1] mas/yr[1] Dec.: −22.338±0.095 mas/yr[1] |
| Parallax (π) | 0.2304 ± 0.0629 mas[1] |
| Distance | 2774+495 −268[2] pc |
| Details | |
| Surface gravity (log g) | 9.88±0.13[3] cgs |
| Temperature | 10,772±230[3] K |
| 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. S2CID 118925493.
- Kepler, S. O.; et al. (February 2015). "New white dwarf stars in the Sloan Digital Sky Survey Data Release 10". Monthly Notices of the Royal Astronomical Society. 446 (4): 4078–4087. arXiv:1411.4149. Bibcode:2015MNRAS.446.4078K. doi:10.1093/mnras/stu2388. ISSN 1365-2966.
- "CT Serpentis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-08-23.
- Duerbeck, Hilmar W. (1987). "A Reference Catalogue and Atlas of Galactic Novae". Space Science Reviews. 45 (1–2): 1–14. Bibcode:1987SSRv...45....1D. doi:10.1007/BF00187826. S2CID 115854775.
- "Ramze (Raisa) Bartaya". Abastumani Astrophysical Observatory. Archived from the original on 20 September 2020. Retrieved 26 January 2021.
- Watson, Christopher (4 January 2010). "CT Serpentis". AAVSO Website. American Association of Variable Star Observers. Retrieved 7 July 2014.
- Davis, M. S. (1950). "Photographic observations of Nova Serpentis 1948". Astronomical Journal. 55: 126–27. Bibcode:1950AJ.....55..126D. doi:10.1086/106365.
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