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Optical Spectrophotometry of Nova PW Vulpeculae

Published online by Cambridge University Press:  12 April 2016

J. Mikołajewska  and
M. Mikołajewski
J. Mikołajewska
Affiliation:
Institute of Astronomy, Nicolaus Copernicus University, PL-87100 Toruń, Poland
M. Mikołajewski
Affiliation:
Institute of Astronomy, Nicolaus Copernicus University, PL-87100 Toruń, Poland

Extract

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PW Vul (Nowa Vul 1984 #1) was a slow classical nova which began its outburst in July 1984 and reached optical maximum in the first week of August 1984. Eight low dispersion spectra (160 A/mm) in the blue spectral range (λλ3400-5100 A) were secured between October 1984 and July 1985, with the CCS spectrograph equipped with 3.5 arcsec aperture image slicer and mounted on 90 cm Schmidt-Cassegrain telescope at Toruń Observatory. Kodak IIa-O plates were used. In addition two moderate dispersion (40 A/mm) spectra in the Hγ-Hβ range were obtained on 28 October and 3 November 1984, using the same instrumentation. Standard stars were observed on each night to remove the influence of spectral sensitivity of the photographic emulssion and atmospheric extinction. The calibration of the absolute flux scale was performed by comparing synthetic B magnitudes calculated from our spectra with published B photometry of PW Vul (Voloshina 1985, Noskova et al. 1985, Kolotilov and Noskova 1986). The accuracy of the flux calibration is ±0.1 mag.

Type
1b. Novae During Outbursts
Information
International Astronomical Union Colloquium , Volume 122: Physics of Classical Novae , 1990 , pp. 159 - 160
Copyright
Copyright © Springer-Verlag 1990

References

Kenyon, S.J., Wade, R.A., 1988, P.A.S.P., 98, 935.Google Scholar
Kolotilov, E.A., Noskova, R.I., 1986, Pisma v Astr. Zhu., 12, 883.Google Scholar
Noskova, R.I., Zaitseva, G.V., Kolotilov, E.A., 1985, Pisma v Astr. Zhu., 11, 613.Google Scholar
Voloshina, I., 1985, Astr. Tsirk. No. 1358, 4 Google Scholar