SFERA Archivio dei prodotti della Ricerca dell'Università di Ferrara

TITARCHUK, Lev
 Distribuzione geografica
Salva come PNG Salva come JPEG
Continente #
NA - Nord America 6.327
EU - Europa 1.187
AS - Asia 954
OC - Oceania 2
Continente sconosciuto - Info sul continente non disponibili 1
SA - Sud America 1
Totale 8.472
Salva come PNG Salva come JPEG
Nazione #
US - Stati Uniti d'America 6.324
CN - Cina 456
UA - Ucraina 398
TR - Turchia 396
DE - Germania 197
GB - Regno Unito 180
IT - Italia 165
SE - Svezia 99
FI - Finlandia 92
SG - Singapore 86
FR - Francia 16
BE - Belgio 15
NL - Olanda 5
BG - Bulgaria 4
RU - Federazione Russa 4
CA - Canada 3
IN - India 3
AT - Austria 2
AU - Australia 2
IL - Israele 2
IR - Iran 2
JP - Giappone 2
PH - Filippine 2
RO - Romania 2
SI - Slovenia 2
BH - Bahrain 1
CH - Svizzera 1
DK - Danimarca 1
EU - Europa 1
HK - Hong Kong 1
HR - Croazia 1
ID - Indonesia 1
IQ - Iraq 1
KZ - Kazakistan 1
MD - Moldavia 1
PE - Perù 1
RS - Serbia 1
SK - Slovacchia (Repubblica Slovacca) 1
Totale 8.472
Salva come PNG Salva come JPEG
Città #
Fairfield 1.025
Woodbridge 890
Houston 610
Ashburn 443
Jacksonville 433
Seattle 418
Ann Arbor 385
Wilmington 368
Cambridge 347
Chandler 285
Izmir 153
Nanjing 133
Princeton 118
San Diego 98
Milan 85
Addison 82
Beijing 76
Boardman 75
Singapore 47
Shenyang 40
Nanchang 32
Falls Church 28
Hebei 26
Shanghai 26
Bremen 22
San Mateo 21
Changsha 18
Jiaxing 18
Philadelphia 18
Washington 17
Minneapolis 16
Brussels 15
Norwalk 15
Des Moines 14
Tianjin 14
Zhengzhou 14
Indiana 12
Mountain View 12
Jinan 11
Kunming 10
London 10
Ningbo 9
Rome 9
Auburn Hills 8
Kilburn 8
Verona 8
Helsinki 7
Los Angeles 7
New York 7
Orange 6
Edinburgh 5
Hangzhou 5
Amsterdam 4
Atlanta 4
Changchun 4
Redwood City 4
Sofia 4
Taizhou 4
Bitonto 3
Bologna 3
Chiswick 3
Ferrara 3
Guangzhou 3
Hounslow 3
Lanzhou 3
Rivarolo del Re ed Uniti 3
Tappahannock 3
Andover 2
Ardabil 2
Castel Maggiore 2
Chicago 2
Cormeilles-en-Parisis 2
Dallas 2
Florence 2
Jinhua 2
New Bedfont 2
Portici 2
Qingdao 2
Ragusa 2
Redmond 2
Stockholm 2
Sydney 2
Taiyuan 2
Tel Aviv 2
Tokyo 2
Toronto 2
Vienna 2
Acton 1
Almaty 1
Augusta 1
Belgrade 1
Bratislava 1
Brossard 1
Cagliari 1
Callao 1
Central 1
Chisinau 1
Copenhagen 1
Düsseldorf 1
Enfield 1
Totale 6.663
Salva come PNG Salva come JPEG
Nome #
Mass Determination of Black Holes in LMC X-1 and Nova MUSCAE 1991 from Their High-Energy Spectra 142
Correlations between Kilohertz Quasi-periodic Oscillations and Low-Frequency Features Attributed to Radial Oscillations and Diffusive Propagation in the Viscous Boundary Layer around a Neutron Star 138
X-Ray Spectral Formation in a Converging Fluid Flow: Spherical Accretion into Black Holes 127
Kilohertz Quasi-periodic Oscillations in Neutron Star Binaries Modeled as Keplerian Oscillations in a Rotating Frame of Reference 126
Generalized Comptonization models and application to the recent high-energy observations 126
Broad Redshifted Line as a Signature of Outflow 124
Evolution of Energy and Power Spectra in XTE J1650-500 with BeppoSAX 124
Black Hole Mass of the Ultraluminous X-Ray Source M82 X-1 124
A New Comptonization Model for Weakly Magnetized, Accreting Neutron Stars in Low-Mass X-Ray Binaries 124
Determination of Black Hole Mass in Cygnus X-1 by Scaling of Spectral Index-QPO Frequency Correlation 122
Discovery of Photon Index Saturation in the Black Hole Binary GRS 1915+105 120
On the Low and High Frequency Correlation in Quasi-periodic Oscillations among White Dwarf, Neutron Star, and Black Hole Binaries 118
Downscattering Due to Wind Outflows in Compact X-Ray Sources: Theory and Interpretation 117
Three Type I X-Ray Bursts from Cygnus X-2: Application of Analytical Models for Neutron Star Mass and Radius Determination 117
δ-Invariant for Quasi-periodic Oscillations and Physical Parameters of the 4U 0614+09 Binary 116
Why Is It Difficult to Detect a Millisecond Pulsar in Neutron Star X-Ray Binaries? 116
An Upscattering Spectral Formation Model for the Prompt Emission of Gamma-Ray Bursts 116
Timing Spectroscopy of Quasi-Periodic Oscillations in the Low-Mass X-Ray Neutron Star Binaries 115
Power Spectra of Black Holes and Neutron Stars as a Probe of Hydrodynamic Structure of the Source: Diffusion Theory and Its Application to Cygnus X-1 and Cygnus X-2 X-Ray Observations 115
Comptonization Models and Spectroscopy of X-Ray and Gamma-Ray Sources: A Combined Study by Monte Carlo and Analytical Methods 114
The High-Energy Spectra of Accreting Black Holes: Observational Evidence for Bulk-Motion Infall 113
On the stability of the thermal Comptonization index in neutron star low-mass X-ray binaries in their different spectral states 113
Temporal and Spectral Properties of Comptonized Radiation and Its Applications 112
Average hard X-ray emission from NS LMXBs: observational evidence of different spectral states in NS LMXBs 111
On the specta of X-ray bursters: Expansion and contraction stages 111
A Method for Black Hole Mass Determination in Accretion-powered X-Ray Sources 111
Timing and Spectral Properties of X-Ray Emission from the Converging Flows onto a Black Hole: Monte Carlo Simulations 111
Phase Difference and Coherence as Diagnostics of Accreting Compact Sources 110
Comptonization signatures in the prompt emission of Gamma Ray Bursts 110
The Extended Power Law as an Intrinsic Signature for a Black Hole 109
The Observed Galactic Annihilation Line: Possible Signature of Accreting Small-Mass Black Holes in the Galactic Center 109
New Evidence for a Black Hole in the Compact Binary Cygnus X-3 109
Possible physical explanation of the intrinsic E p, i-"intensity" correlation commonly used to "standardize" GRBs 109
Observational Signatures of Black Holes: Spectral and Temporal Features of XTE J1550-564 109
The Bursting Behavior of 4U 1728-34: The Parameters of a Neutron Star and the Geometry of a Neutron Star-Disk System 108
Rayleigh-Taylor Gravity Waves and Quasi-periodic Oscillation Phenomena in X-Ray Binaries 108
The Global Normal Disk Oscillations and the Persistent Low-Frequency Quasi-periodic Oscillations in X-Ray Binaries 108
Spectral Index and Quasi-Periodic Oscillation Frequency Correlation in Black Hole Sources: Observational Evidence of Two Phases and Phase Transition in Black Holes 107
BeppoSAX Observations of the Power and Energy Spectral Evolution in the Black Hole Candidate XTE J1650-500 107
Mechanisms for High-Frequency Quasi-periodic Oscillations in Neutron Star and Black Hole Binaries 107
Millisecond X-Ray Variability from an Accreting Neutron Star System 107
Determination of Black Hole Masses in Galactic Black Hole Binaries Using Scaling of Spectral and Variability Characteristics 106
Outflows near an Accreting Black Hole: Ionization and Temperature Structures 105
Kilohertz Quasi-periodic Intensity Oscillations from 4U 1636-536 105
Do the Spectra of Soft X-Ray Transients Reveal Bulk-Motion Inflow Phenomenon? 104
Disk Diffusion Propagation Model for the Outburst of XTE J1118+480 104
Spectral Properties of Accretion Disks around Galactic and Extragalactic Black Holes 103
On the pair-instability supernovae and gamma-ray burst phenomenon 102
On the Constancy of the Photon Index of X-Ray Spectra of 4U 1728-34 through All Spectral States 102
Time Resolved Spectra of GRBs Simultaneously Detected with BATSE andBeppoSAXWFCs 102
A Proposed Italian Contribution for the Mirax Scientific Payload 101
Time Variation of Emissions from Comptonization Sources 101
Effects of Downscattering on the Continuum and Line Spectra in a Powerful Wind Environment: Monte Carlo Simulations, Analytical Results, and Data Analysis 101
On the Nonrelativistic Origin of Red-skewed Iron Lines in Cataclysmic Variable, Neutron Star, and Black Hole Sources 100
On the Nature of the Flux Variability during an Expansion Stage of a Type I X-Ray Burst: Constraints on Neutron Star Parameters for 4U 1820-30 100
Numerical solution of the radiative transfer equation: X-ray spectral formation from cylindrical accretion onto a magnetized neutron star 99
Power-Law Spectra as a Result of Comptonization of the Soft Radiation in a Plasma Cloud 99
On the Nature of the Compact Object in SS 433: Observational Evidence of X-ray Photon Index Saturation 98
Formation of X-ray spectra in close binary systems - Reflection effects 97
Implication of the Observed Spectral Cutoff Energy Evolution in XTE J1550-564 97
The Converging Inflow Spectrum Is an Intrinsic Signature for a Black Hole: Monte Carlo Simulations of Comptonization on Free-falling Electrons 96
Supergiant Fast X-Ray Transients: Swift Results and Theoretical Progress 96
On the Spectral Slopes of Hard X-Ray Emission from Black Hole Candidates 94
Testing a Scale-independent Method to Measure the Mass of Black Holes 94
Power-Law Tails from Dynamical Comptonization in Converging Flows 93
Evidence for a Neutron Star in the non-pulsating massive X-ray binary 4U2206+54 91
Spectral Index as a Function of Mass Accretion Rate in Black Hole Sources: Monte Carlo Simulations and an Analytical Description 90
Implementation of a public BeppoSAX GRBM online catalogue and scientific exploitation of the GRBM data archive 90
Hard X-rays from NGC 4151: A thermal origin? 90
How to Distinguish Neutron Star and Black Hole X-Ray Binaries? Spectral Index and Quasi-Periodic Oscillation Frequency Correlation 90
Effects of Resonance in Quasi-periodic Oscillators of Neutron Star Binaries 89
Normal-Branch Quasi-periodic Oscillations in Scorpius X-1: Viscous Oscillations of a Spherical Shell Near the Neutron Star 87
s M82 X-1 Really an Intermediate-Mass Black Hole? X-Ray Spectral and Timing Evidence 82
Comptonization of X-rays in plasma cloud. Typical radiation spectra 79
Spherical accretion onto neutron stars and black holes 77
Comprehensive Analysis of RXTE Data from Cygnus X-1: Spectral Index-Quasi-Periodic Oscillation Frequency-Luminosity Correlations 72
Comptonization of low-frequency radiation in accretion disks Angular distribution and polarization of hard radiation 67
A Chandra View of NGC 3621: A Bulgeless Galaxy Hosting an AGN in Its Early Phase? 66
Discovery of Red-skewed K α Iron Line in Cyg X-2 with Suzaku 65
Soft Phase Lags in the Millisecond X-Ray Pulsar SAX J1808.4-3658 64
B-Field Determination from Magnetoacoustic Oscillations in Kilohertz Quasi-periodic Oscillation Neutron Star Binaries: Theory and Observations 62
Reflection and reprocessing of X-ray source radiation by the atmosphere of the normal star in a binary system 58
On the distance and mass-radius relation of neutron stars in X-ray burst sources 52
Totale 8.510
Salva come PNG Salva come JPEG
Categoria #
all - tutte 30.543
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 30.543
Salva come PNG Salva come JPEG


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/20202.091 290 87 72 345 168 263 188 213 167 155 107 36
2020/20211.072 105 103 46 139 59 133 25 146 19 140 107 50
2021/20221.178 37 138 119 30 72 55 57 57 41 65 118 389
2022/2023892 93 8 19 98 164 121 100 97 99 3 68 22
2023/2024377 53 68 28 13 34 33 19 29 6 3 8 83
2024/202525 25 0 0 0 0 0 0 0 0 0 0 0
Totale 8.510