6 papers
High-Mass X-ray Binaries and the Spiral Structure of the Host Galaxy
P. Shtykovskiy, M. Gilfanov
We investigate the manifestation of the spiral structure in the distribution of high-mass X-ray binaries (HMXBs) over the host galaxy. We construct the simple kinematic model. It s…
High Mass X-ray Binaries and Recent Star Formation History of the Small Magellanic Cloud
P. Shtykovskiy, M. Gilfanov
We study the relation between high-mass X-ray binary (HMXB) population and recent star formation history (SFH) for the Small Magellanic Cloud (SMC). Using archival optical SMC obse…
Constraints on the luminosity of the stellar remnant in SNR1987A
P. Shtykovskiy, A. Lutovinov, M. Gilfanov +1
We obtain photometric constraints on the luminosity of the stellar remnant in SNR1987A using XMM-Newton and INTEGRAL data. The upper limit in the 2--10 keV band based on the XMM-Ne…
High mass X-ray binaries in the LMC: dependence on the stellar population age and the "propeller" effect
P. Shtykovskiy, M. Gilfanov
We study population of compact X-ray sources in the Large Magellanic Cloud using the archival data of XMM-Newton observatory. The total area of the survey is approximately 3.8 squa…
The nature of SN 1997D: low-mass progenitor and weak explosion
Nikolai N. Chugai, Victor P. Utrobin
We analyzed the spectra and light curve of the peculiar type II-P supernova 1997D to recover ejecta parameters. The optimal hydrodynamical model of SN 1997D, which meets observatio…
76 mas speckle-masking interferometry of IRC+10216 with the SAO 6m telescope: Evidence for a clumpy shell structure
G. Weigelt, Y. Balega, T. Bloecker +3
We present the first K'-band image of the carbon star IRC+10216 with 76 mas resolution. The diffraction-limited image was reconstructed from 6m telescope speckle data using the spe…