V1493 Aql an extremely distant nova?

Astronomy and Astrophysics – Astronomy

Scientific paper

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Novae, Cataclysmic Variables, Stars: Individual (V1493 Aql)

Scientific paper

Analysis of CCD photometry performed during 12 nights and the estimate of the distance based on the light curve is presented. The photometric data is modulated with a period of 3.7 h, which we interpret as the orbital period above the period gap distribution of cataclysmic variables. The VSNET light curve combined with data from IAU Circulars suggests a distance of 4.5±0.4 kpc based on t[2]/t[3] time estimates. Two spectra 11 days after the maximum were taken. The expansion velocity of the envelope was derived to be 1658±62 km s-1.

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