V1017 Sagittarii

V1017 Sagittarii
Observation data
Epoch J2000      Equinox J2000
Constellation Sagittarius
Right ascension 18h 32m 04.475s[1]
Declination −29° 23 12.55
Characteristics
Spectral type G5IIIp / white dwarf
Variable type eclipsing recurrent nova (NR+E)
Astrometry
Radial velocity (Rv)15 km/s
Details
Other designations
AAVSO 1825-29, 2MASS J18320447-2923125, Nova Sagittarii 1919[1]

V1017 Sagittarii is a cataclysmic variable star system in the constellation Sagittarius. It first erupted in 1919, reaching magnitude 7. Its other eruptions in 1901, 1973 and 1991 only reached magnitude 10, leading it to be reclassified from a recurrent nova to a dwarf nova.[2]

References

  1. 1 2 "V1017 Sagitarii". SIMBAD Astronomical Database. Retrieved 26 April 2015.
  2. Schaefer, Bradley E. (2010). "Comprehensive Photometric Histories of All Known Galactic Recurrent Novae". The Astrophysical Journal Supplement. 187 (2): 275–373. arXiv:0912.4426Freely accessible. Bibcode:2010ApJS..187..275S. doi:10.1088/0067-0049/187/2/275.
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