Lev Titarchuk

3.5k total citations · 1 hit paper
85 papers, 2.2k citations indexed

About

Lev Titarchuk is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Geophysics. According to data from OpenAlex, Lev Titarchuk has authored 85 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 75 papers in Astronomy and Astrophysics, 24 papers in Nuclear and High Energy Physics and 13 papers in Geophysics. Recurrent topics in Lev Titarchuk's work include Astrophysical Phenomena and Observations (66 papers), Pulsars and Gravitational Waves Research (34 papers) and Astrophysics and Cosmic Phenomena (20 papers). Lev Titarchuk is often cited by papers focused on Astrophysical Phenomena and Observations (66 papers), Pulsars and Gravitational Waves Research (34 papers) and Astrophysics and Cosmic Phenomena (20 papers). Lev Titarchuk collaborates with scholars based in United States, Italy and Russia. Lev Titarchuk's co-authors include Elena Seifina, Xin‐Min Hua, Philippe Laurent, A. Mastichiadis, Demosthenes Kazanas, Tod E. Strohmayer, Charles S. Day, J. H. Swank, A. P. Smale and William Zhang and has published in prestigious journals such as Journal of Geophysical Research Atmospheres, The Astrophysical Journal and Monthly Notices of the Royal Astronomical Society.

In The Last Decade

Lev Titarchuk

79 papers receiving 2.1k citations

Hit Papers

Generalized Comptonization models and application to the ... 1994 2026 2004 2015 1994 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Generalized Comptonization models and application to the recent high-energy observations
    1994 582 citations Lev Titarchuk The Astrophysical Journal profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Lev Titarchuk United States 22 2.1k 730 459 268 71 85 2.2k
Frederick K. Baganoff United States 24 2.0k 0.9× 920 1.3× 249 0.5× 182 0.7× 62 0.9× 43 2.0k
Adam Ingram United Kingdom 28 2.2k 1.0× 946 1.3× 282 0.6× 323 1.2× 37 0.5× 84 2.3k
A. Goldwurm France 21 1.9k 0.9× 889 1.2× 309 0.7× 190 0.7× 71 1.0× 99 2.0k
Michal Dovčiak Czechia 27 1.9k 0.9× 805 1.1× 145 0.3× 285 1.1× 35 0.5× 112 2.0k
Roberto Soria Australia 35 3.5k 1.6× 1.2k 1.6× 290 0.6× 292 1.1× 120 1.7× 164 3.6k
P. Casella Italy 29 2.9k 1.3× 1.2k 1.6× 501 1.1× 400 1.5× 37 0.5× 99 2.9k
W. Kluźniak Poland 28 2.5k 1.2× 954 1.3× 493 1.1× 217 0.8× 42 0.6× 112 2.6k
S. Corbel France 38 4.2k 2.0× 2.1k 2.9× 333 0.7× 566 2.1× 62 0.9× 129 4.2k
Sigenori Miyamoto Japan 18 1.1k 0.5× 437 0.6× 184 0.4× 188 0.7× 39 0.5× 39 1.2k
M. Ehle Germany 23 2.9k 1.4× 1.1k 1.5× 200 0.4× 177 0.7× 50 0.7× 70 3.0k

Countries citing papers authored by Lev Titarchuk

Since Specialization
Citations

This map shows the geographic impact of Lev Titarchuk's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Lev Titarchuk with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Lev Titarchuk more than expected).

Fields of papers citing papers by Lev Titarchuk

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Lev Titarchuk. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Lev Titarchuk. The network helps show where Lev Titarchuk may publish in the future.

Co-authorship network of co-authors of Lev Titarchuk

This figure shows the co-authorship network connecting the top 25 collaborators of Lev Titarchuk. A scholar is included among the top collaborators of Lev Titarchuk based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Lev Titarchuk. Lev Titarchuk is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Debnath, Dipak, et al.. (2025). Accretion Flow Properties of Swift J1727.8–1613 during Its Rising Phase of the Discovery Outburst: Estimation of Mass from Spectrotemporal Study. The Astrophysical Journal. 994(2). 138–138. 1 indexed citations
2.
Titarchuk, Lev & Elena Seifina. (2024). SDSS J075217.84 + 193542.2: X-ray weighing of a secondary BH. Frontiers in Astronomy and Space Sciences. 11. 2 indexed citations
3.
Titarchuk, Lev, et al.. (2023). OJ 287: A new BH mass estimate of the secondary. Astronomy and Astrophysics. 671. A159–A159. 7 indexed citations
4.
Titarchuk, Lev, et al.. (2020). Spectral index−mass accretion rate correlation and evaluation of black hole masses in AGNs 3C 454.3 and M 87. Springer Link (Chiba Institute of Technology). 7 indexed citations
5.
Titarchuk, Lev, et al.. (2020). Testing Comptonization as the Origin of the Continuum in Nonmagnetic Cataclysmic Variables: The Photon Index of X-Ray Emission. The Astrophysical Journal. 900(2). 153–153. 3 indexed citations
6.
Titarchuk, Lev & Elena Seifina. (2017). BL Lacertae: X-ray spectral evolution and a black-hole mass estimate. Springer Link (Chiba Institute of Technology). 17 indexed citations
7.
Titarchuk, Lev & Elena Seifina. (2016). ESO 243-49 HLX-1: scaling of X-ray spectral properties and black hole mass determination. Astronomy and Astrophysics. 595. A101–A101. 12 indexed citations
8.
Titarchuk, Lev & Elena Seifina. (2015). Scaling of the photon index vs. mass accretion rate correlation and estimate of black hole mass in M101 ULX-1. Springer Link (Chiba Institute of Technology). 17 indexed citations
9.
Gilli, R., et al.. (2014). Analysis of X-ray spectral variability and black hole mass determination of the NLS1 galaxy Mrk 766. Springer Link (Chiba Institute of Technology). 11 indexed citations
10.
Ceccobello, Chiara, R. Farinelli, & Lev Titarchuk. (2014). Comptonization in ultra-strong magnetic fields: numerical solution to the radiative transfer problem. Astronomy and Astrophysics. 562. A99–A99. 3 indexed citations
11.
Titarchuk, Lev, et al.. (2012). Numerical Solution of the Radiative Transfer Equation: X-Ray Spectral Formation from Cylindrical Accretion onto a Magnetized Neutron Star. Springer Link (Chiba Institute of Technology). 27 indexed citations
12.
Seifina, Elena & Lev Titarchuk. (2012). GX 3+1: THE STABILITY OF SPECTRAL INDEX AS A FUNCTION OF MASS ACCRETION RATE. The Astrophysical Journal. 747(2). 99–99. 22 indexed citations
13.
Farinelli, R. & Lev Titarchuk. (2010). On the stability of the thermal Comptonization index in neutron star low-mass X-ray binaries in their different spectral states. Astronomy and Astrophysics. 525. A102–A102. 17 indexed citations
14.
Farinelli, R., A. Paizis, R. Landi, & Lev Titarchuk. (2009). The X-ray spectral evolution of Cygnus X-2 in the framework of bulk Comptonization. Springer Link (Chiba Institute of Technology). 12 indexed citations
15.
Titarchuk, Lev & Philippe Laurent. (2001). Timing and Spectral Properties of X-ray Emission from the Converging Flows onto Black hole: Monte-Carlo Simulations. AAS. 199. 3 indexed citations
16.
Hua, Xin‐Min & Lev Titarchuk. (1996). Time Variation of Emissions from Comptonization Sources. The Astrophysical Journal. 469. 280–280. 9 indexed citations
17.
Бисноватый-Коган, Г. С., A. Dyachkov, А. С. Смирнов, et al.. (1992). X-Ray Studies of the HERCULES-X-1 Pulsar with the Astron Satellite. Soviet Astronomy. 36. 41.
18.
Бисноватый-Коган, Г. С., A. Dyachkov, А. С. Смирнов, et al.. (1992). X-ray studies of the pulsar Hercules X-1 from the Astron space station. Astronomicheskii Zhurnal. 69(1). 82–105.
19.
Syunyaev, R. A. & Lev Titarchuk. (1986). On the Spectra of X-Ray Bursters. 12. 359–364. 1 indexed citations
20.
Sunyaev, R. A. & Lev Titarchuk. (1979). Compton shift of X-rays in plasma clouds: Typical radiation spectra. STIN. 80. 14000. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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