SFERA Archivio dei prodotti della Ricerca dell'Università di Ferrara

TITARCHUK, Lev
 Distribuzione geografica
Salva come PNG Salva come JPEG
Continente #
NA - Nord America 7.516
AS - Asia 2.799
EU - Europa 1.509
SA - Sud America 490
AF - Africa 32
OC - Oceania 3
Continente sconosciuto - Info sul continente non disponibili 2
Totale 12.351
Salva come PNG Salva come JPEG
Nazione #
US - Stati Uniti d'America 7.434
SG - Singapore 1.038
CN - Cina 845
UA - Ucraina 410
TR - Turchia 408
BR - Brasile 392
DE - Germania 278
HK - Hong Kong 252
GB - Regno Unito 218
IT - Italia 191
VN - Vietnam 131
SE - Svezia 106
FI - Finlandia 98
RU - Federazione Russa 85
AR - Argentina 39
CA - Canada 37
FR - Francia 34
MX - Messico 32
IN - India 31
BE - Belgio 18
ZA - Sudafrica 16
EC - Ecuador 15
PL - Polonia 15
BD - Bangladesh 14
ID - Indonesia 13
JP - Giappone 13
IQ - Iraq 12
CO - Colombia 11
NL - Olanda 11
ES - Italia 10
PY - Paraguay 10
VE - Venezuela 10
LT - Lituania 8
CL - Cile 6
MA - Marocco 6
AT - Austria 5
BG - Bulgaria 4
KG - Kirghizistan 4
PH - Filippine 4
PK - Pakistan 4
UY - Uruguay 4
UZ - Uzbekistan 4
AE - Emirati Arabi Uniti 3
IL - Israele 3
KE - Kenya 3
MY - Malesia 3
AL - Albania 2
AU - Australia 2
AZ - Azerbaigian 2
CR - Costa Rica 2
DK - Danimarca 2
DO - Repubblica Dominicana 2
EG - Egitto 2
GT - Guatemala 2
HN - Honduras 2
IR - Iran 2
KZ - Kazakistan 2
PE - Perù 2
RO - Romania 2
SA - Arabia Saudita 2
SI - Slovenia 2
BB - Barbados 1
BH - Bahrain 1
BN - Brunei Darussalam 1
BO - Bolivia 1
BS - Bahamas 1
CH - Svizzera 1
CI - Costa d'Avorio 1
CZ - Repubblica Ceca 1
DZ - Algeria 1
EU - Europa 1
GA - Gabon 1
GE - Georgia 1
GI - Gibilterra 1
GR - Grecia 1
HR - Croazia 1
JM - Giamaica 1
LU - Lussemburgo 1
LV - Lettonia 1
MD - Moldavia 1
MM - Myanmar 1
NP - Nepal 1
NZ - Nuova Zelanda 1
OM - Oman 1
PA - Panama 1
QA - Qatar 1
RS - Serbia 1
SK - Slovacchia (Repubblica Slovacca) 1
SN - Senegal 1
TH - Thailandia 1
TN - Tunisia 1
TT - Trinidad e Tobago 1
TW - Taiwan 1
XK - ???statistics.table.value.countryCode.XK??? 1
Totale 12.351
Salva come PNG Salva come JPEG
Città #
Fairfield 1.025
Woodbridge 890
Houston 617
Singapore 570
Ashburn 568
Jacksonville 433
Seattle 421
Ann Arbor 385
Wilmington 370
Santa Clara 358
Cambridge 347
Chandler 285
Beijing 267
Hong Kong 251
Izmir 153
Nanjing 134
Princeton 118
San Diego 98
Los Angeles 92
Milan 89
Addison 82
Boardman 76
Dallas 58
Ho Chi Minh City 49
São Paulo 49
Buffalo 41
Shenyang 40
Hefei 38
Nanchang 32
New York 29
Falls Church 28
Shanghai 28
Chicago 27
Hebei 26
Columbus 25
Falkenstein 24
Hanoi 24
Bremen 22
San Mateo 21
Changsha 20
London 20
Mexico City 19
Moscow 19
Philadelphia 19
Brussels 18
Jiaxing 18
Tianjin 17
Washington 17
Minneapolis 16
Zhengzhou 16
Belo Horizonte 15
Des Moines 15
Frankfurt am Main 15
Norwalk 15
Montreal 14
Munich 14
Rome 13
Tokyo 13
Indiana 12
Jinan 12
Kunming 12
Mountain View 12
Atlanta 11
Brooklyn 11
The Dalles 11
Toronto 11
Rio de Janeiro 10
Warsaw 10
Chennai 9
Denver 9
Haiphong 9
Johannesburg 9
Ningbo 9
Redondo Beach 9
Stockholm 9
Verona 9
Amsterdam 8
Auburn Hills 8
Helsinki 8
Kilburn 8
Phoenix 8
Salt Lake City 8
Curitiba 7
Guangzhou 7
Orem 7
Poplar 7
Asunción 6
Baghdad 6
Brasília 6
Caracas 6
Guarulhos 6
Miami 6
Orange 6
San Francisco 6
Ankara 5
Boston 5
Dhaka 5
Edinburgh 5
Hangzhou 5
Osasco 5
Totale 8.841
Salva come PNG Salva come JPEG
Nome #
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 212
A New Comptonization Model for Weakly Magnetized, Accreting Neutron Stars in Low-Mass X-Ray Binaries 205
Discovery of Photon Index Saturation in the Black Hole Binary GRS 1915+105 197
Black Hole Mass of the Ultraluminous X-Ray Source M82 X-1 197
Broad Redshifted Line as a Signature of Outflow 196
Average hard X-ray emission from NS LMXBs: observational evidence of different spectral states in NS LMXBs 188
Determination of Black Hole Mass in Cygnus X-1 by Scaling of Spectral Index-QPO Frequency Correlation 186
Comptonization Models and Spectroscopy of X-Ray and Gamma-Ray Sources: A Combined Study by Monte Carlo and Analytical Methods 183
An Upscattering Spectral Formation Model for the Prompt Emission of Gamma-Ray Bursts 183
Mass Determination of Black Holes in LMC X-1 and Nova MUSCAE 1991 from Their High-Energy Spectra 182
A Method for Black Hole Mass Determination in Accretion-powered X-Ray Sources 181
Comptonization signatures in the prompt emission of Gamma Ray Bursts 181
On the stability of the thermal Comptonization index in neutron star low-mass X-ray binaries in their different spectral states 179
Possible physical explanation of the intrinsic E p, i-"intensity" correlation commonly used to "standardize" GRBs 179
The High-Energy Spectra of Accreting Black Holes: Observational Evidence for Bulk-Motion Infall 178
A Proposed Italian Contribution for the Mirax Scientific Payload 178
BeppoSAX Observations of the Power and Energy Spectral Evolution in the Black Hole Candidate XTE J1650-500 176
Determination of Black Hole Masses in Galactic Black Hole Binaries Using Scaling of Spectral and Variability Characteristics 176
Evolution of Energy and Power Spectra in XTE J1650-500 with BeppoSAX 175
Generalized Comptonization models and application to the recent high-energy observations 164
Temporal and Spectral Properties of Comptonized Radiation and Its Applications 164
On the Low and High Frequency Correlation in Quasi-periodic Oscillations among White Dwarf, Neutron Star, and Black Hole Binaries 160
Implementation of a public BeppoSAX GRBM online catalogue and scientific exploitation of the GRBM data archive 160
Kilohertz Quasi-periodic Oscillations in Neutron Star Binaries Modeled as Keplerian Oscillations in a Rotating Frame of Reference 160
Timing Spectroscopy of Quasi-Periodic Oscillations in the Low-Mass X-Ray Neutron Star Binaries 159
Numerical solution of the radiative transfer equation: X-ray spectral formation from cylindrical accretion onto a magnetized neutron star 159
Downscattering Due to Wind Outflows in Compact X-Ray Sources: Theory and Interpretation 158
X-Ray Spectral Formation in a Converging Fluid Flow: Spherical Accretion into Black Holes 158
Timing and Spectral Properties of X-Ray Emission from the Converging Flows onto a Black Hole: Monte Carlo Simulations 156
Comptonization of X-rays in plasma cloud. Typical radiation spectra 155
Phase Difference and Coherence as Diagnostics of Accreting Compact Sources 153
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 153
On the specta of X-ray bursters: Expansion and contraction stages 152
δ-Invariant for Quasi-periodic Oscillations and Physical Parameters of the 4U 0614+09 Binary 152
Do the Spectra of Soft X-Ray Transients Reveal Bulk-Motion Inflow Phenomenon? 152
The Global Normal Disk Oscillations and the Persistent Low-Frequency Quasi-periodic Oscillations in X-Ray Binaries 152
Observational Signatures of Black Holes: Spectral and Temporal Features of XTE J1550-564 151
Comptonization of low-frequency radiation in accretion disks Angular distribution and polarization of hard radiation 150
Three Type I X-Ray Bursts from Cygnus X-2: Application of Analytical Models for Neutron Star Mass and Radius Determination 150
Outflows near an Accreting Black Hole: Ionization and Temperature Structures 150
Disk Diffusion Propagation Model for the Outburst of XTE J1118+480 149
Why Is It Difficult to Detect a Millisecond Pulsar in Neutron Star X-Ray Binaries? 148
Comprehensive Analysis of RXTE Data from Cygnus X-1: Spectral Index-Quasi-Periodic Oscillation Frequency-Luminosity Correlations 148
Mechanisms for High-Frequency Quasi-periodic Oscillations in Neutron Star and Black Hole Binaries 147
The Observed Galactic Annihilation Line: Possible Signature of Accreting Small-Mass Black Holes in the Galactic Center 145
Rayleigh-Taylor Gravity Waves and Quasi-periodic Oscillation Phenomena in X-Ray Binaries 144
New Evidence for a Black Hole in the Compact Binary Cygnus X-3 143
The Bursting Behavior of 4U 1728-34: The Parameters of a Neutron Star and the Geometry of a Neutron Star-Disk System 139
Spectral Index and Quasi-Periodic Oscillation Frequency Correlation in Black Hole Sources: Observational Evidence of Two Phases and Phase Transition in Black Holes 138
On the pair-instability supernovae and gamma-ray burst phenomenon 138
A chandra view of NGC 3621: A bulgeless galaxy hosting an agn in its early phase? 138
Millisecond X-Ray Variability from an Accreting Neutron Star System 138
Supergiant Fast X-Ray Transients: Swift Results and Theoretical Progress 137
Discovery of Red-skewed K α Iron Line in Cyg X-2 with Suzaku 136
Formation of X-ray spectra in close binary systems - Reflection effects 135
The Extended Power Law as an Intrinsic Signature for a Black Hole 135
Time Resolved Spectra of GRBs Simultaneously Detected with BATSE andBeppoSAXWFCs 135
Kilohertz Quasi-periodic Intensity Oscillations from 4U 1636-536 135
Spectral properties of accretion disks around galactic and extragalactic black holes 134
On the Constancy of the Photon Index of X-Ray Spectra of 4U 1728-34 through All Spectral States 134
Time Variation of Emissions from Comptonization Sources 134
Spectral Index as a Function of Mass Accretion Rate in Black Hole Sources: Monte Carlo Simulations and an Analytical Description 132
The Converging Inflow Spectrum Is an Intrinsic Signature for a Black Hole: Monte Carlo Simulations of Comptonization on Free-falling Electrons 132
Evidence for a Neutron Star in the non-pulsating massive X-ray binary 4U2206+54 130
On the Spectral Slopes of Hard X-Ray Emission from Black Hole Candidates 129
Implication of the Observed Spectral Cutoff Energy Evolution in XTE J1550-564 129
B-Field Determination from Magnetoacoustic Oscillations in Kilohertz Quasi-periodic Oscillation Neutron Star Binaries: Theory and Observations 129
On the Nonrelativistic Origin of Red-skewed Iron Lines in Cataclysmic Variable, Neutron Star, and Black Hole Sources 127
Power-Law Spectra as a Result of Comptonization of the Soft Radiation in a Plasma Cloud 127
How to Distinguish Neutron Star and Black Hole X-Ray Binaries? Spectral Index and Quasi-Periodic Oscillation Frequency Correlation 127
Effects of Downscattering on the Continuum and Line Spectra in a Powerful Wind Environment: Monte Carlo Simulations, Analytical Results, and Data Analysis 126
Testing a Scale-independent Method to Measure the Mass of Black Holes 125
On the Nature of the Compact Object in SS 433: Observational Evidence of X-ray Photon Index Saturation 124
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 1820-30 123
s M82 X-1 Really an Intermediate-Mass Black Hole? X-Ray Spectral and Timing Evidence 122
Power-Law Tails from Dynamical Comptonization in Converging Flows 122
Hard X-rays from NGC 4151: A thermal origin? 122
Normal-Branch Quasi-periodic Oscillations in Scorpius X-1: Viscous Oscillations of a Spherical Shell Near the Neutron Star 121
Effects of Resonance in Quasi-periodic Oscillators of Neutron Star Binaries 119
Spherical accretion onto neutron stars and black holes 117
Soft Phase Lags in the Millisecond X-Ray Pulsar SAX J1808.4-3658 93
Reflection and reprocessing of X-ray source radiation by the atmosphere of the normal star in a binary system 92
On the distance and mass-radius relation of neutron stars in X-ray burst sources 91
Totale 12.389
Salva come PNG Salva come JPEG
Categoria #
all - tutte 54.166
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 54.166
Salva come PNG Salva come JPEG


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021620 0 0 0 0 0 133 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
2024/20251.575 26 33 114 21 256 220 71 40 218 207 164 205
2025/20262.329 359 241 462 634 584 49 0 0 0 0 0 0
Totale 12.389