A likely optical counterpart of the G292.0+1.8 pulsar wind nebula (2008)
Zharikov, S. V., Shibanov, Yu. A., Zyuzin, D. A., Mennickent, R. E., Komarova, V. N.
G292.0+1.8 is the Cas A-like supernova remnant containing the young pulsar PSR J1124-5916, which powers a compact torus-like pulsar wind nebula with a jet visible in X-rays. We have performed deep...
Possible optical detection of a fast, nearby radio pulsar PSR B1133+16 (2007)
Zharikov, S. V., Shibanov, Yu. A., Mennickent, R. E., Komarova, V. N.
Aims: We performed deep optical observations of the field of an old, fast-moving radio pulsar PSR B1133+16 in an attempt to detect its optical counterpart and a bow shock nebula. Methods: The...
The Multipupil Fiber Spectroscopy of the Crab-pulsar Neighbourhood (2006)
S. N. Dodonov, V. L. Afanasév, Yu. A. Shibanov, A. B. Koptsevich, S. V. Zharikov
The Multipupil Fiber Spectroscopy of the Crab-pulsar Neighbourhood
Optical observations of the young supernova remnant SNR 0540-69.3 and its pulsar (2005)
Serafimovich, N. I., Lundqvist, P., Shibanov, Yu. A., Sollerman, J.
We have used the ESO NTT/EMMI and VLT/FORS1 instruments to examine the LMC supernova remnant 0540-69.3 as well as its pulsar (PSR B0540-69) and pulsar-powered nebula in the optical...
The young pulsar PSR B0540-69.3 and its synchrotron nebula in the optical and X-rays (2004)
Serafimovich, N. I., Shibanov, Yu. A., Lundqvist, P., Sollerman, J.
The young PSR B0540-69 (B0540) in the LMC is the only pulsar (except the Crab pulsar) for which a near-UV spectrum has been obtained. However, the absolute flux and spectral index of previously...
Aa 394, 633--639 (2002) (2003)
S. V. Zharikov, Yu. A. Shibanov, A. B. Koptsevich, N. Kawai, Y. Urata, V. N. Komarova, ...
We report the B band optical observations of an old (# 17.5 Myr) radiopulsar PSR B0950+08 obtained with the Suprime-Cam at the Subaru telescope. We detected a faint object, B = 27.
Deep BVR Imaging of the Field of the Millisecond Pulsar PSR J0030+0451 with the VLT (2002)
Koptsevich, A. B., Lundqvist, P., Serafimovich, N. I., Shibanov, Yu. A., Sollerman, J.
We report on deep BVR-imaging of the field of the nearby millisecond pulsar PSR J0030+0451 obtained with the ESO/VLT/FORS2. We do not detect any optical counterpart down to B>27.3, V>27.0 and R>27.0...
Subaru optical observations of the old pulsar PSR B0950+08 (2002)
Zharikov, S. V., Shibanov, Yu. A., Koptsevich, A. B., Kawai, N., Urata, Y., Komarova, V. N., ...
We report the B band optical observations of an old (17.5 Myr) radiopulsar PSR B0950+08 obtained with the Suprime-Cam at the Subaru telescope. We detected a faint object, B=27.07(16). Within our...
The Multipupil Fiber Spectroscopy Of The Crab-Pulsar (2001)
S. V. Zharikov, Yu. A. Shibanov, A. B. Koptsevich, V. L. Afanasev, S. N. Dodonov
We present the spatially resolved optical spectroscopy of the 12 Crab pulsar neighbourhood in the range 4600 5700 A made with the Multipupil Fiber Spectrograph at the 6 m telescope of the SAO RAS....
The Multipupil Fiber Spectroscopy Of The Crab-Pulsar (2001)
S. V. Zharikov, Yu. A. Shibanov, A. B. Koptsevich, V. L. Afanasev, S. N. Dodonov
We present the spatially resolved optical spectroscopy of the 12 ## 24 ## Crab pulsar neighbourhood in the range ##4600-5700 A made with the Multipupil Fiber Spectrograph at the 6 m telescope of the...
The multipupil fiber spectroscopy of the crab-pulsar neighbourhood (2001)
Afanasév , V. L., Dodonov , S. N., Koptsevich , A. B., Shibanov , Yu. A., Zharikov , S. V.
We present the spatially resolved optical spectroscopy of the 1200 2400 Crab pulsar neighbourhood in the range 4600 - 5700 A made with the Multipupil Fiber Spectrograph at the 6 m telescope of the...
Optical photometry of the PSR B0656+14 and its neighborhood (2000)
Koptsevich, A. B., Pavlov, G. G., Zharikov, S. V., Sokolov, V. V., Shibanov, Yu. A., Kurt, V. G.
We present the results of the broad-band photometry of the nearby middle-aged radio pulsar PSR B0656+14 and its neighborhood obtained with the 6-meter telescope of the SAO RAS and with the Hubble...
Photometric study of fields of nearby pulsars with the 6m telescope (2000)
Kurt, V. G., Komarova, V. N., Fatkhullin, T. A., Sokolov, V. V., Koptsevich, A. B., Shibanov, Yu. A.
Fields of Geminga, PSR B0950+08, PSR J1908+0734 and PSR J0108-1431 have been observed within the program of optical investigation of nearby neutron stars carried out with the 6m telescope. Our...
Partially ionized hydrogen plasma in strong magnetic fields (1999)
Potekhin, A. Y., Chabrier, G., Shibanov, Yu. A.
We study the thermodynamic properties of a partially ionized hydrogen plasma in strong magnetic fields, B ~ 10^{12}-10^{13} G, typical of neutron stars. The properties of the plasma depend...
A simple model of cooling neutron stars with superfluid cores: comparison with observations (1999)
Levenfish, K. P., Shibanov, Yu. A., Yakovlev, D. G.
Cooling of neutron stars (NSs) with superfluid cores is simulated taking into account neutrino emission produced by Cooper pairing of nucleons. The critical temperatures of neutron and proton...
Ionization equilibrium and equation of state of hydrogen plasmas in strong magnetic fields (1998)
Potekhin, A. Y., Chabrier, G., Shibanov, Yu. A., Ventura, J.
We study hydrogen plasmas at magnetic fields B ~ 10^{12}-10^{13} Gauss, densities ~ 10^{-3}-10^3 g/cc and temperatures T ~ 10^{5.5}-10^{6.5} K, typical of photospheres of middle-aged cooling neutron...
Potekhin, A. Y., Shibanov, Yu. A., Ventura, J.
We study partially ionized hydrogen plasma at temperatures T = 10^{5.5}-10^{6.5} K and magnetic fields B = 10^{12}-10^{13} G, typical of photospheres of isolated neutron stars. We construct an...
Neutron Star Atmospheres (1997)
G. G. Pavlov, Yu. A. Shibanov, V. E. Zavlin, R. D. Meyer
. We report recent results on the modeling of the atmospheres of cooling neutron stars. The results demonstrate that strong magnetic fields in the atmospheres substantially affect the spectra,...
Model Atmospheres Of Magnetic Neutron Stars (1997)
Yu. A. Shibanov, V. E. Zavlin, G. G. Pavlov, J. Ventura
. An efficient method is presented which allows one to obtain an accurate numerical solution of the radiative transfer in atmospheres of cooling neutron stars (NS) with strong magnetic fields. It is...
Evolution Of Thermal Structure And Radiation Spectrum Of Cooling Neutron Stars (1997)
Yu. A. Shibanov, A. Y. Potekhin, D. G. Yakovlev, V. E. Zavlin
. Selfconsistent temperature profiles in the atmospheres and outer envelopes of neutron stars with and without H and He shells are determined using updated thermal conductivities, new OPAL radiative...
Radiative Opacities and Photosphere Models for Soft Gamma-Ray Repeaters (1996)
V. G. Bezchastnov, G. G. Pavlov, Yu. A. Shibanov, V. E. Zavlin
INTRODUCTION The presence of superstrong magnetic fields, B ¸ 10 14 Gamma 10 16 G, in radiating layers of SGRs has been suggested in (1) to explain the apparent superEddington luminosities observed...
Temperature, distance and cooling of the Vela pulsar (1996)
. We use models of magnetized hydrogen atmospheres to fit the soft X-ray thermal spectrum of the Vela pulsar obtained by ROSAT. The distance and hydrogen column density required by our fits are in...
On Cooling of Magnetized Neutron Stars (1996)
Shibanov, Yu. A., Yakovlev, D. G.
Cooling of neutron stars with dipole magnetic fields is simulated using a realistic model of the anisotropic surface temperature distribution produced by magnetic fields. Suppression of the electron...
Zavlin, V. E., Pavlov, G. G., Shibanov, Yu. A.
We present a detailed investigation of neutron star atmospheres with low magnetic fields, $B < 10^8 -10^{10}$ G, which do not affect opacities and equation of state of the atmospheric matter. We...
Temperature, distance and cooling of the Vela pulsar (1996)
Page, Dany, Shibanov, Yu. A., Zavlin, V. E.
We use models of magnetized hydrogen atmospheres to fit the soft X-ray thermal spectrum of the Vela pulsar obtained by ROSAT. The distance and hydrogen column density required by our fits are in good...
X-ray spectra from convective photospheres of neutron stars (1995)
Zavlin, V. E., Pavlov, G. G., Shibanov, Yu. A., Rogers, F. J., Iglesias, C. A.
We present first results of modeling convective photospheres of neutron stars. We show that in photospheres composed of the light elements convection arises only at relatively low effective...
GEMINGA'S SOFT X-RAY EMISSION AND THE STRUCTURE OF ITS SURFACE (1995)
Page, Dany, Shibanov, Yu. A., Zavlin, V. E.
We present a model to explain the decrease in the amplitude of the pulse profile with increasing energy observed in Geminga's soft X-ray surface thermal emission. We assume the presence of plates...