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MASTER OT J072007.30+451611.6: A Polar with Strong Optical Variability and Suppressed He II Emission
A. V. Bobakov, S. V. Zharikov, A. V. Karpova +8
The transient optical source MASTER OT J072007.30+451611.6 has been recently discovered and proposed as a peculiar polar with an unusually high amplitude of the orbital brightness…
Optical spectral observations of three binary millisecond pulsars
A. V. Bobakov, A. V. Karpova, S. V. Zharikov +3
We present the results of optical spectroscopy of stellar companions to three binary millisecond pulsars, PSRs J06212514, J23171439 and J23024442, obtained with the Gran T…
Searching for optical companions to four binary millisecond pulsars with the Gran Telescopio Canarias
A. Yu. Kirichenko, A. V. Karpova, D. A. Zyuzin +6
We report on multi-band photometric observations of four binary millisecond pulsars with the Gran Telescopio Canarias. The observations led to detection of binary companions to PSR…
Optical detection of the black widow binary PSR J2052+1219
S. Zharikov, A. Kirichenko, D. Zyuzin +2
We present optical time-resolved multi-band photometry of the black widow binary millisecond pulsar J2052+1219 using direct-imaging observations with the 2.1m telescope of Observat…
Detection of the PSR J1741+1351 white dwarf companion with the Gran Telescopio Canarias
D. A. Zyuzin, A. Yu. Kirichenko, A. V. Karpova +4
We report detection of the binary companion to the millisecond pulsar J1741+1351 with the Gran Telescopio Canarias. The optical source position coincides with the pulsar coordinate…
The ultracool helium-atmosphere white dwarf companion of PSR J0740+6620?
D. M. Beronya, A. V. Karpova, A. Yu. Kirichenko +4
We report the detection of the likely companion of the binary millisecond pulsar J0740+6620 with the Gran Telescopio Canarias in the and bands. The position of the detect…