A three-dimensional deflagration model for Type Ia supernovae confronted with observations (2007)
Roepke, F. K., Hillebrandt, W., Schmidt, W., Niemeyer, J. C., Blinnikov, S. I., Mazzali, P. A.
A simulation of the thermonuclear explosion of a Chandrasekhar-mass C+O white dwarf, the most popular scenario of a type Ia supernova (SN Ia), is presented. The underlying modeling is pursued in a...
The peculiar SN 2005hk: Do some type Ia supernovae explode as deflagrations? (2007)
Phillips, M. M., Li, Weidong, Frieman, Joshua A., Blinnikov, S. I., DePoy, Darren, Prieto, José L., ...
A three-dimensional deflagration model for type Ia supernovae compared with observations (2007)
Röpke, F. K., Hillebrandt, W., Schmidt, W., Niemeyer, J. C., Blinnikov, S. I., Mazzali, P. A.
The peculiar SN 2005hk: Do some type ia supernovae explode as deflagrations? (2007)
Phillips, M. M., Li, Weidong, Frieman, Joshua A., Blinnikov, S. I., DePoy, Darren, Prietro, Jose L., ...
Publicación ISI
The peculiar SN 2005hk: Do some type ia supernovae explode as deflagrations? (2007)
Phillips, M. M., Li, Weidong, Frieman, Joshua A., Blinnikov, S. I., DePoy, Darren, Prietro, Jose L., ...
Publicación ISI
The Peculiar SN 2005hk: Do Some Type Ia Supernovae Explode as Deflagrations? (2006)
Phillips, M. M., Li, W., Frieman, J. A., Blinnikov, S. I., DePoy, D., Prieto, J. L., ...
We present extensive u'g'r'i'BVRIYJHKs photometry and optical spectroscopy of SN 2005hk. These data reveal that SN 2005hk was nearly identical in its observed properties to SN 2002cx, which has been...
On the Mechanism of Type Ia Supernovae (2006)
Roepke, F. K., Hillebrandt, W., Blinnikov, S. I.
Type Ia supernovae (SNe Ia) are one of the major tools to determine the cosmological parameters. Utilizing them as distance indicators, it is possible to geometrically survey the universe. To this...
Theoretical light curves for deflagration models of Type Ia supernova (2006)
Blinnikov, S. I., Roepke, F. K., Sorokina, E. I., Gieseler, M., Reinecke, M., Travaglio, C., ...
We present synthetic bolometric and broad-band UBVRI light curves of SNe Ia, for four selected 3-D deflagration models of thermonuclear supernovae. The light curves are computed with the 1-D hydro...
Theoretical light curves for deflagration models of type Ia supernova (2006)
Blinnikov, S. I., Röpke, F. K., Sorokina, E. I., Gieseler, M., Reinecke, M., Travaglio, C., ...
New Studies of the Pulsar Wind Nebula in the Supernova Remnant CTB 80 (2005)
Lozinskaya, T. A., Komarova, V. N., Moiseev, A. V., Blinnikov, S. I.
We investigated the kinematics of the pulsar wind nebula (PWN) associated with PSR B1951+32 in the old supernova remnant CTB 80 using the Fabry-Perot interferometer of the 6m Special Astrophysical...
Dynamics and Radiation of Young Type-Ia Supernova Remnants: Important Physical Processes (2005)
Sorokina, E. I., Blinnikov, S. I., Kosenko, D. I., Lundqvist, P.
We examine and analyze the physical processes that should be taken into account when modeling young type-Ia SNRs, with ages of several hundred years. It is shown, that energy losses in the metal-rich...
Light curve models of supernovae and X-ray spectra of supernova remnants (2005)
Blinnikov, S. I., Baklanov, P. V., Kozyreva, A. V., Sorokina, E. I.
Light Curve Models of Supernovae and X-ray spectra of Supernova Remnants (2004)
Blinnikov, S. I., Baklanov, P. V., Kozyreva, A. V., Sorokina, E. I.
We compare parameters of well-observed type II SN1999em derived by M.Hamuy and D.Nadyozhin based on Litvinova-Nadyozhin (1985) analytic fits with those found from the simulations with our radiative...
Spectra and Light Curves of GRB Afterglows (2004)
Tolstov, A. G., Blinnikov, S. I.
We performed accurate numerical calculations of angle-, time-, and frequency-dependent radiative transfer for the relativistic motion of matter in gamma-ray burst (GRB) models. Our technique for...
Critical velocities $c/\sqrt 3$ and $c/\sqrt 2$ in general theory of relativity (2003)
Blinnikov, S. I., Okun, L. B., Vysotsky, M. I.
We consider a few thought experiments of radial motion of massive particles in the gravitational fields outside and inside various celestial bodies: Earth, Sun, black hole. All other interactions...
Approximations to path integrals and spectra of quantum systems (2003)
Blinnikov, S. I., Nikitin, N. V.
An expression for the Green function G(E;x_1,x_2) of the Schroedinger equation is obtained through the approximations of the path integral by n-fold multiple integrals. The approximations to...
Time-dependent thermal effects in GRB afterglows (2003)
Postnov, K. A., Blinnikov, S. I., Kosenko, D. I., Sorokina, E. I.
Time-dependent thermal effects should accompany standard non-thermal afterglows of GRB when gamma-rays pass through inhomogeneous surroundings of the GRB site. Thermal relaxation of an optically thin...
Shock breakouts in SNe Ib/c (2002)
Blinnikov, S. I., Nadyozhin, D. K., Woosley, S. E., Sorokina, E. I.
Numerical modeling of shock breakout in compact presupernovae of type Ib/c is done by two independent methods. Peak color temperatures reach 4 to 8 million K for explosion energies 1 to 9 foe with a...
Borstnik, N. S. Mankoc, Froggatt, C. D., Lukman, D., Axenides, M., Melikhov, D., Stech, B., ...
The present volume is the collection of contributions by friends of Holger Bech Nielsen for his 60th birthday. Contents: 1.Unified internal space of spins and charges (N. Mankoc Borstnik)...
X-ray emission of young SN Ia remnants as a probe for an explosion model (2002)
Kosenko, D. I., Sorokina, E. I., Blinnikov, S. I., Lundqvist, P.
We present results of hydrodynamical simulations of young supernova remnants. To model the ejecta, we use several models (discussed in literature) of type Ia supernova explosions with different...
Energy exchange inside SN ejecta and light curves of SNe Ia (2002)
Sorokina, E. I., Blinnikov, S. I.
A treatment of line opacity in expanding medium is most crucial for the light curve (LC) modeling of Type Ia supernovae (SNe Ia). Spectral lines are the main source of opacity inside SN Ia ejecta...
Time-dependent thermal X-ray afterglows from GRBs (2002)
Kosenko, D. I., Blinnikov, S. I., Postnov, K. A., Lundqvist, P., Sorokina, E. I.
Time-dependent thermal X-ray spectra are calculated from physically plausible conditions around GRB. It is shown that account for time-dependent ionization processes strongly affects the observed...
Relativity and c/sqrt{3} (2001)
Blinnikov, S. I., Okun, L. B., Vysotsky, M. I.
We define the critical coordinate velocity v_c. A particle moving radially in Schwarzschild background with this velocity, v_c= c/sqrt 3, is neither accelerated, nor decelerated if gravitational...
The origin of the high velocity circumstellar gas around SN 1998S (2001)
Chugai, N. N., Blinnikov, S. I., Fassia, A., Lundqvist, P., Meikle, W. P. S., Sorokina, E. I.
Modelling of high resolution Balmer line profiles in the early-time spectra of SN 1998S shows that the inferred fast (roughly 400 km/s) circumstellar (CS) gas on days 23 and 42 post-explosion is...
Supernova Ia: a Converging Delayed Detonation Wave (2001)
Dunina-Barkovskaya, N. V., Imshennik, V. S., Blinnikov, S. I.
A model of a carbon-oxygen (C--O) presupernova core with an initial mass 1.33 M_\odot, an initial carbon mass fraction 0.27, and with an average mass growth-rate 5 x 10^{-7} M_\odot/yr due to...
Gamma-ray Bursts, Type Ib/c Supernovae and Star-forming Sites in Host Galaxies (2001)
Tsvetkov, D. Yu., Blinnikov, S. I., Pavlyuk, N. N.
The data on the location of gamma-ray bursts (GRBs) relative to their host galaxies are used to derive the distribution of surface density of GRBs along the galaxy radius. It is shown that the...
Old models for Cygnus X-1 and AGN (2000)
Bisnovatyi-Kogan, G. S., Blinnikov, S. I.
Recently, there appeared many papers devoted to the modeling of X-ray properties of Cygnus X-1 and other black hole accretion disk candidates: e.g. J.Poutanen, J.Krolik, F.Ryde, MNRAS 292 (1997) L21;...
UV Light Curves of Thermonuclear Supernovae (2000)
Blinnikov, S. I., Sorokina, E. I.
Ultraviolet light curves are calculated for several thermonuclear supernova models using a multifrequency radiation hydrodynamic code. It is found that Chandrasekhar-mass models produce very similar...
Thermonuclear Burning Regimes and the Use of SNe Ia in Cosmology (1999)
Sorokina, E. I., Blinnikov, S. I., Bartunov, O. S.
The calculations of the light curves of thermonuclear supernovae are carried out by a method of multi-group radiation hydrodynamics. The effects of spectral lines and expansion opacity are taken into...
GRBs: when do blackbody spectra look like non-thermal ones? (1999)
Blinnikov, S. I., Kozyreva, A. V., Panchenko, I. E.
We argue that a nonthermally looking spectrum of a gamma-ray burst (GRB) can be formed as a superposition of a set of thermal blackbody spectra. This superposition may be done by time integration...
The neutrino-induced neutron source in helium shell and r-process nucleosynthesis (1998)
Nadyozhin, D. K., Panov, I. V., Blinnikov, S. I.
The huge neutrino pulse that occurs during the collapse of a massive stellar core, is expected to contribute to the origination of a number of isotopes both of light chemical elements and heavy ones....
A quest for weak objects and for invisible stars (1998)
High quality spectra to be produced by SUBARU 8 meter telescope will be extremely valuable for numerous astronomical projects. Here I concentrate on two classical types of weak broad line objects --...
A comparative modeling of supernova 1993J (1997)
Blinnikov, S. I., Eastman, R., Bartunov, O. S., Popolitov, V. A., Woosley, S. E.
The light curve of Supernova (SN) 1993J is calculated using two approaches to radiation transport as exemplified by the two computer codes, STELLA and EDDINGTON. Particular attention is paid to shock...
A mini-supernova model for optical afterglows of GRB (1997)
Blinnikov, S. I., Postnov, K. A.
An energy deposition of \sim 10^{50} ergs into the exterior 10^{-3} M_\sun layers of a red giant is calculated to produce an optical phenomenon similar to afterglows of gamma-ray bursts (GRB)...
How strong can the coupling of leptonic photons be? (1995)
Blinnikov, S. I., Dolgov, A. D., Okun, L. B., Voloshin, M. B.
Consequences of possible existence of leptonic photon are considered for a range of values of leptonic charge. In the case of a strong Coulomb-like leptonic repulsion between electrons the existence...