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V1493 AQL an Extremely Distant Nova?

Published online by Cambridge University Press:  22 February 2018

A. Dobrotka ,
A. Retter ,
L. Hric ,
R. Novak ,
O. Shemmer  and
Y. Lipkin
A. Dobrotka
Affiliation:
Departement of Physics, Faculty of Materials Science and Technology,Slovak University of Technology in Bratislava, Paulinska 16, Trnava 917 24, The Slovak Republic ([email protected])
A. Retter
Affiliation:
School of Physics, University of Sydney, 2006, Australia (e-mail: [email protected])
L. Hric
Affiliation:
Astronomical Institute of the Slovak Academy of Sciences, 059 60 Tatranská Lomnica, The Slovak Republic (e-mail: [email protected])
R. Novak
Affiliation:
Nicholas Copernicus Observatory and Planetarium in Brno, Kravi hora 2, 616 00 Brno, Czech Republic (e-mail: [email protected])
O. Shemmer
Affiliation:
The Raymond and Beverly Sackler faculty of exact sciences, school of physics and astronomy and the Wise Observatory, Tel-Aviv University, Israel (e-mail: [email protected]@wise.tau.ac.il)
Y. Lipkin
Affiliation:
The Raymond and Beverly Sackler faculty of exact sciences, school of physics and astronomy and the Wise Observatory, Tel-Aviv University, Israel (e-mail: [email protected]@wise.tau.ac.il)

Extract

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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 t2/t3 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.

Type
The Contributed Papers
Information
International Astronomical Union Colloquium , Volume 194: Compact binaries in the galaxy and beyond , 2004 , pp. 236
Copyright
Copyright © Instituto de astronomia/revista mexicana de astronomίa y astrofίsica 2004

References

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