24Total
6Journal articles
18Conference papers
2Open access
2025
Conference
Observations of the Sun from the Astronomical Center of the University of Shumen
Samuil Petrov, Dragomir Marchev, Sunay Ibryamov & Rositsa Miteva
National Space Forum 2025, 27–29 October 2025, Sofia Tech Park, Sofia, Bulgaria
Conference
Comparative Analysis of Solar Activity
Vergil Yotov, Kamen Kozarev, Mohamed Nedal & Pietro Zucca
LOFAR Family Meeting 2025, 22–26 September 2025, Paris, France
ConferenceInvited talk
Solar and Space Weather Observations with LOFAR
Kamen Kozarev, Pietro Zucca, Peter Gallagher, Peijin Zhang, Mohamed Nedal, Diana Morosan & Vergil Yotov
LOFAR Family Meeting 2025, 22–26 September 2025, Paris, France
Journal
Source Location and Evolution of a Multilane Type II Radio Burst
P. Zucca, P. Zhang, K. Kozarev, M. Nedal, S. Dey, M. Mancini, A. Kumari, D. E. Morosan, B. Dabrowski, P. T. Gallagher, A. Krankowski & C. Vocks
Astronomy & Astrophysics, 703: A271  ·  2025
Conference
High Frequency Correlative Interferometry Direction Finding
E. Antonov, I. Nachev & P. Z. Petkov
60th International Scientific Conference ICEST 2025
Conference
Evaluation of Passive Radar Capabilities for LEO Target Detection Using Electromagnetic Modeling of LOFAR Antenna Array
K. Jȩdrzejewski, P. Wójtowicz, R. Najda, K. Suwiński, M. Piasecki, M. Pozoga, H. Rothkaehl, P. Aleksieva & P. Z. Petkov
IEEE Radar Conference 2025, pp. 1390–1395
Conference
Remote and In Situ Detection of Energetic Electrons in the Solar Corona
Vergil Yotov, Kamen Kozarev, Mohamed Nedal & Pietro Zucca
European Geosciences Union General Assembly, Vienna, Austria, 27 April – 2 May 2025
ConferenceInvited talk
Remote Sensing of Large-Scale Coronal Shocks, and Their Relation to Solar Energetic Particles
Kamen Kozarev
SWATNet Final Conference, 10–14 February 2025, Helsinki, Finland
Journal
Modeling Metric Gyrosynchrotron Radio Emission From the Quiet Solar Corona
Kamen Kozarev & M. Nedal
Bulgarian Astronomical Journal, Vol. 44
2024
Conference
LOFAR-BG the South-easternmost Station of LOFAR ERIC: Status Update
A. Antonova, K. Kozarev, R. Miteva, A. Mutafov, D. Sotirov, M. Nedal, P. Petkov & N. Petrov
LOFAR Family Meeting 2024, 3–7 July 2024, Leiden, Netherlands
ConferencePoster
Automated Data Exploration and Discovery of LOFAR Interferometric Solar Observations
Kamen Kozarev
Data Analysis and Software in Heliophysics (DASH) 2024, 14–18 October 2024, Madrid, Spain
ConferenceInvited talk
Модернизацията на телескопа LOFAR и станцията LOFAR-BG – текущо състояние и бъдещо развитие
Kamen Kozarev
National Forum on Contemporary Space Research 2024, 22–24 October 2024, Sofia, Bulgaria
2023
Journal
Coronal Diagnostics of Solar Type-III Radio Bursts Using LOFAR and PSP Observations
Mohamed Nedal, Kamen Kozarev, Peijin Zhang & Pietro Zucca
Astronomy & Astrophysics, vol. 680, A106, 14 pp.  ·  19 December 2023
Journal
RFI Flagging in Solar and Space Weather Low Frequency Radio Observations
P. Zhang, A. R. Offringa, P. Zucca, K. Kozarev & M. Mancini
Monthly Notices of the Royal Astronomical Society, 521, 630  ·  2023
Conference
Array Element Model with Improved Accuracy for LOFAR Radiotelescope
Peter Z. Petkov & Neda Emami
IEEE AP-S International Symposium (USNC-URSI), July 2023, pp. 773–774
Conference
LOFAR-BG – the Bulgarian Station of the LOFAR Project 2021–2033
D. Marchev, K. Kozarev, N. Pavlova & G. Marchev
Mathematics Days in Sofia (MDS), 10–14 July 2023, Sofia, Bulgaria
Conference
VLF System for SID Monitoring
I. Nachev & P. Petkov
33rd International Conference Radioelektronika, Pardubice, Czech Republic, pp. 1–4  ·  2023
Conference
Passive Retranslation with Space Wave Coupled Antennas
P. Z. Petkov & E. Lyubenov
33rd International Conference Radioelektronika, Pardubice, Czech Republic, pp. 1–4  ·  2023
Conference
Log-periodic Antenna for Solar Observations in 100 MHz – 500 MHz
P. Aleksieva & P. Z. Petkov
58th International Scientific Conference ICEST, Niš, Serbia, pp. 77–80  ·  2023
Conference
Application of Electromagnetic Bandgap Structures for Mutual Coupling Reduction in Microstrip Antenna Arrays
D. B. Petkova, T. S. Tsekov & P. Z. Petkov
58th International Scientific Conference ICEST, Niš, Serbia, pp. 73–76  ·  2023
Conference
Optical Communication System Investigation with Application for VLF Solar Flares Monitoring System
T. Valkovski, I. Nachev & P. Z. Petkov
58th International Scientific Conference ICEST, Niš, Serbia, pp. 249–252  ·  2023
Conference
Looking for the Elusive Stellar Coronal Mass Ejections. How Can LOFAR Help?
A. Antonova, A. Avramova-Boncheva, H. Korhonen, G. Doyle, J. Rigney & I. Stateva
NAFSKI 2022, 10–12 November 2022, Sofia, Bulgaria  ·  DOI assigned 2023
2022
JournalOpen Access
Imaging of the Quiet Sun in the Frequency Range of 20–80 MHz
P. Zhang, P. Zucca, K. Kozarev, E. Carley, C. Wang, T. Franzen, B. Dabrowski, A. Krankowski, J. Magdalenic & C. Vocks
The Astrophysical Journal, 932, 17  ·  2022
JournalOpen Access
FastQSL: A Fast Computation Method for Quasi-separatrix Layers
P. Zhang, J. Chen, R. Liu & C. Wang
The Astrophysical Journal, 937, 26  ·  2022