Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...264..560s&link_type=abstract
Astrophysical Journal, Part 1, vol. 264, Jan. 15, 1983, p. 560-562. Research supported by the Natural Sciences and Engineering
Astronomy and Astrophysics
Astrophysics
19
Eclipsing Binary Stars, Novae, Stellar Spectrophotometry, Balmer Series, Electrophotometry, Helium, Sagittarius Constellation
Scientific paper
Spectroscopic observations for Weaver's (1951) faint blue variable candidate 'N' for Nova WY Sagittae (1783) are presented. Results show a typical cataclysmic variable spectrum with strong Balmer, He I, and He II emission lines superposed on a continuum. The spectroscopic results, together with the star's rapid optical flickering and the excellent positional agreement with d'Agelet's nova (1783), confirm the identity of Weaver's candidate. In addition, it is found that the old nova undergoes deep eclipses of greater than or equal to 2 mag, and the binary orbital period is (1.0756 + or - 0.0002)/N days, where 1 is less than or equal to N and N is less than 9.
Moffat Anthony F. J.
Shara Michael M.
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