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- W1996028693 abstract "view Abstract Citations (35) References (7) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS WY Sagittae (nova 1783) : a transition object between classical and dwarf novae ? Shara, M. M. ; Moffat, A. F. J. ; McGraw, J. T. ; Dearborn, D. S. ; Bond, H. E. ; Kemper, E. ; Lamontagne, R. Abstract WY Sge, the 19th magnitude remnant of Nova WY Sagittae 1783, has been found to be an eclipsing binary with a period of 3 hr 41 minutes. Radial velocity observations show a low velocity amplitude for the emission lines originating from the vicinity of the primary star, possibly suggesting that the primary is a fairly massive (>1 M_sun;) degenerate object. The secondary, if it obeys the main-sequence mass-radius relation, is an M dwarf of 0.44 M_sun;. On one night, WY Sge was observed to be 1.6 mag brighter than normal. This outburst, along with a spectrum in quiescence more typical of dwarf novae than of classical novae at minimum, suggests that WY Sge is an object intermediate (in mass-transfer rate from the secondary star) between classical and dwarf novae. Publication: The Astrophysical Journal Pub Date: July 1984 DOI: 10.1086/162260 Bibcode: 1984ApJ...282..763S Keywords: Dwarf Novae; Eclipsing Binary Stars; Main Sequence Stars; Stellar Spectrophotometry; Emission Spectra; Line Spectra; Radial Velocity; Sagittarius Constellation; Stellar Evolution; Stellar Mass Accretion; Stellar Mass Ejection; Astronomy full text sources ADS | data products SIMBAD (1)" @default.
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- W1996028693 date "1984-07-01" @default.
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- W1996028693 title "WY Sagittae (Nova 1783) - A transition object between classical and dwarf novae?" @default.
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