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Optical Observations of PSR J0205+6449
A. Shearer, V. V. Neustroev
PSR J0205+6449 is a X-ray and radio pulsar in supernova remnant 3C 58. We report on observations of the central region of 3C 58 using the 4.2-m William Herschel Telescope with the…
Cyclic brightening in the short-period WZ Sge-type cataclysmic variable SDSS J080434.20+510349.2
S. V. Zharikov, G. H. Tovmassian, V. V. Neustroev +8
We have observed a new cataclysmic variable (CV) SDSS J080434.20+510349.2 and study the origin of a long-term variability found in its light curve. Multi-longitude time-resolved ph…
BF Eridani: a cataclysmic variable with a massive white dwarf and an evolved secondary
V. V. Neustroev, S. Zharikov
We present high- and medium-resolution spectroscopic observations of the cataclysmic variable BF Eri during its low and bright states. The orbital period of this system was found t…
Evidence of Precession of the White Dwarf in Cataclysmic Variables
G. Tovmassian, S. Zharikov, V. Neustroev
Cataclysmic Variables (CV) are close binary systems, in which the primary, the more massive star, is a white dwarf. CVs usually exhibit a number of periodicities, most of which are…
Simultaneous photometry and echelle-spectroscopy of the dwarf nova BZ Ursae Majoris during the 2005 January Outburst
V. V. Neustroev, S. V. Zharikov, R. Michel
We report simultaneous photometric and echelle-spectroscopic observations of the dwarf nova BZ UMa during which we were lucky to catch the system at the onset of an outburst, the d…
Time-resolved observations of the short period CV SDSS J123813.73-033933.0
S. V. Zharikov, G. H. Tovmassian, R. Napiwotzki +2
We observed a new and poorly studied cataclysmic variable (CV) SDSS J123813.73-033933.0 to determine its classification and binary parameters. Simultaneous time-resolved photometri…