CT Serpentis

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CT Serpentis
CTSerLocation.png
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
Nova Ser 1948, AAVSO 1541+14, 2MASS J15453907+1422317 [4]
Database references
SIMBAD data

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]

References

  1. 1 2 3 4 5 6 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 .
  2. 1 2 3 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.
  3. 1 2 3 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.
  4. ↑ "CT Serpentis". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2019-08-23.
  5. ↑ 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.
  6. ↑ "Ramze (Raisa) Bartaya". Abastumani Astrophysical Observatory. Archived from the original on 20 September 2020. Retrieved 26 January 2021.
  7. ↑ Watson, Christopher (4 January 2010). "CT Serpentis". AAVSO Website. American Association of Variable Star Observers . Retrieved 7 July 2014.
  8. ↑ 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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