| Comparative analysis of the proton generation efficiency during 17 March 2003 and 11 April 2004 solar flares AV Bogomolov, IN Myagkova, I Myshyakov, T Tsvetkov, L Kashapova, ... Journal of Atmospheric and Solar-Terrestrial Physics 179, 517-526, 2018 | 9 | 2018 |
| Polarization of white-light solar corona and sky polarization effect during total solar eclipse on March 29, 2006 VL Merzlyakov, T Tsvetkov, LI Starkova, R Miteva Serbian Astronomical Journal, 83-87, 2019 | 6 | 2019 |
| Comparison of Kinematics of Solar Eruptive Prominences and Spatial Distribution of the Magnetic Decay Index I Myshyakov, T Tsvetkov The Astrophysical Journal 889 (1), 28, 2020 | 5 | 2020 |
| On the relationship between filaments and solar energetic particles T Tsvetkov, R Miteva, N Petrov Journal of Atmospheric and Solar-Terrestrial Physics 179, 1-10, 2018 | 5 | 2018 |
| Modern history of astronomy in Bulgaria N Petrov, T Tsvetkov, D Kjurkchieva Astronomical and Astrophysical Transactions 30 (4), 441-452, 2018 | 4 | 2018 |
| WHITE-LIGHT SOLAR CORONA AND ATMOSPHERIC CONDITIONS REGISTERED DURING TOTAL SOLAR ECLIPSES T Tsvetkov, R Miteva, E Ivanov, V Popov, Y Nakeva, L Bojevski, T Damm, ... Space, Ecology, Safety - SES 2019, Fifteenth International Scientific …, 2019 | 3 | 2019 |
| Quasiperiodic Velocity Fluctuations in Eruptive Prominences Observed by AIA/SDO T Tsvetkov, N Petrov The Astrophysical Journal 893 (1), 40, 2020 | 2 | 2020 |
| Three case studies of height-time profiles of prominence eruptions observed by AIA and LASCO T Tsvetkov, N Petrov Journal of Atmospheric and Solar-Terrestrial Physics 177, 29-37, 2018 | 2 | 2018 |
| Development of Solar Observations in Bulgaria: New 30-cm Chromospheric Telescope. T Tsvetkov, N Petrov Bulgarian Journal of Physics 48 (1), 2021 | 1 | 2021 |
| New 30-cm Solar Telescope at National Astronomical Observatory Rozhen T Ts, N Petrov Twelfth Workshop September, 2020, 36, 2020 | 1 | 2020 |
| Research on the destabilization and eruption of prominences/filaments in solar active regions T Tsvetkov Bulgarian Astronomical Journal 33, 117, 2020 | 1 | 2020 |
| Filaments related to solar energetic particles T Tsvetkov, R Miteva, N Petrov AIP Conference Proceedings 2075 (1), 2019 | 1 | 2019 |
| Kinematics of prominence eruptions T Tsvetkov, N Petrov Astronomical and Astrophysical Transactions (AApTr) 30 (4), 479-488, 2018 | 1 | 2018 |
| Research on Active Solar Processes During 2019 July 2 Total Solar Eclipse T Ts, N Petrov, R Miteva, E Ivanov, V Popov Space Research and Technologies Institute Bulgarian Academy of Sciences, 56, 0 | 1 | |
| Online Catalog of Activity Events of Solar Cycle 24 Related to Active Regions T Tsvetkov, Y Nakeva, N Petrov Solar Physics 299 (9), 125, 2024 | | 2024 |
| Total Solar Eclipse of 2024 April 8: A Research Expedition to Mexico T Tsvetkov, N Petrov, M Minev, Y Zinkova Sixteenth Workshop on Solar Influences on the Magnetosphere, Ionosphere, and …, 2024 | | 2024 |
| Flares of Solar Cycle 24 Related to Active Regions T Tsvetkov, D Zhdanov, N Petrov, LK Kashapova 11th International Conference of the Balkan Physical Union, 37, 2023 | | 2023 |
| New Research Project: Ground-Based Monitoring of Cosmic Particles and Space Weather N Petrov, T Tsvetkov, N Tyutyundzhiev, E Semkov, A Mishev, G Shirov, ... Solar Influences on the Magnetosphere, 120, 2023 | | 2023 |
| Polarization of the Daytime Sky Y Zinkova, T Tsvetkov, N Petrov, R Zlatev | | 2022 |
| Wavelet Analysis of the Near-Surface Air Temperature, Cloudiness and Precipitation in Bulgaria G Shirov, T Tsvetkov, A Karakhanyan, N Petrov | | 2022 |
