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Title: Photometry of intermediate polars AO PSC and V 1223 SGR
Authors: Padmini, V. N
Marar, T. M. K
Seetha, S
Padmanabhan, P
Kasturirangan, K
Rao, U. R
Bhattacharyya, J. C
Kuppuswamy, K
Rozario, M. J
Keywords: Astronomical Photometry;Cataclysmic Variables;Light Curve;Pulsars;White Dwarf Stars
Issue Date: Dec-1985
Publisher: Springer
Citation: Astrophysics and Space Science, Vol. 117, No. 2, pp. 287 – 292
Abstract: We present optical photometric observations of the cataclysmic variables AO Psc and V 1223 Sgr, both of which are believed to contain slowly-rotating white-dwarf pulsars. These objectes belong to the new class of intermediate polars in which the magnetized-white-dwarf rotation period lies in between synchrous and extremely fast rotation periods. The observations reported here were carried out from the Kavalur Observatory using a 1 m reflector. High-time resolution light curves depicting a rich variety of flicker phenomena are presented. Results of a periodic analysis to search for coherent periodic modulations in the light curves are also presented. We have also derived the optical pulse profile of AO Psc and point out its similarities to the X-ray pulse profile.
Appears in Collections:J.C.Bhattacharyya (1982 - 1990)
IIAP Publications

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