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Browsing by Author "Kniazev A."

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Aperiodic optical variability of intermediate polars-cataclysmic variables with truncated accretion disks

Revnivtsev M.; Burenin R.; Bikmaev I.; Kniazev A.; Buckley D.; Pretorius M.; Khamitov I.; Ak T.; Eker Z.; Melnikov S.; Crawford S.; Pavlinsky M. (2010)

We study the power spectra of the variability of seven intermediate polars containing magnetized asynchronous accreting white dwarfs, XSS J00564+4548, IGR J00234+6141, DO Dra, V1223 Sgr, IGR J15094-6649, IGR J16500-3307 ...
Discovery of a putative supernova remnant around the long-period X-ray pulsar SXP 1323 in the Small Magellanic Cloud

Gvaramadze V.; Kniazev A.; Oskinova L. (2019)

© 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. We report the discovery of a circular shell centred on the Be X-ray binary (BeXB) SXP 1323 in the Small Magellanic ...
Discovery of a putative supernova remnant around the long-period X-ray pulsar SXP 1323 in the Small Magellanic Cloud

Gvaramadze V.; Kniazev A.; Oskinova L. (2019)

© 2019 The Author(s). We report the discovery of a circular shell centred on the Be X-ray binary (BeXB) SXP 1323 in the Small Magellanic Cloud. The shell was detected in an H α image obtained with the Very Large Telescope. ...
New luminous blue variable candidates in the NGC 247 galaxy

Solovyeva Y.; Vinokurov A.; Sarkisyan A.; Atapin K.; Fabrika S.; Valeev A.F.; Kniazev A.; Sholukhova O.; Maslennikova O. (2020)

© 2020 The Author(s). We search for luminous blue variable (LBV) stars in galaxies outside the Local Group. Here we present a study of two bright Hα sources in the NGC 247 galaxy. Object j004703.27-204708.4 (MV =-9.08 ± ...
Oxygen abundance distributions in six late-type galaxies based on SALT spectra of H?II regions

Zinchenko I.; Kniazev A.; Grebel E.; Pilyugin L. (2015)

© ESO 2015. Spectra of 34 H?II regions in the late-type galaxies NGC 1087, NGC 2967, NGC 3023, NGC 4030, NGC 4123, and NGC 4517A were observed with the South African Large Telescope (SALT). In all 34 H?II regions, oxygen ...

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Browsing by Author "Kniazev A."

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