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Evgeni Semkov
Evgeni Semkov
Institute of Astronomy and NAO, Bulgarian Academy of Sciences
Dirección de correo verificada de astro.bas.bg
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Año
Blazar spectral variability as explained by a twisted inhomogeneous jet
CM Raiteri, M Villata, JA Acosta-Pulido, I Agudo, AA Arkharov, R Bachev, ...
Nature 552 (7685), 374-377, 2017
1562017
Multiwavelength study of quiescent states of Mrk 421 with unprecedented hard X-ray coverage provided by NuSTAR in 2013
M Baloković, D Paneque, G Madejski, A Furniss, J Chiang, M Ajello, ...
The Astrophysical Journal 819 (2), 156, 2016
1442016
The awakening of BL Lacertae: observations by Fermi, Swift and the GASP-WEBT
CM Raiteri, M Villata, F D'Ammando, VM Larionov, MA Gurwell, ...
Monthly Notices of the Royal Astronomical Society 436 (2), 1530-1545, 2013
1402013
WEBT and XMM-Newton observations of 3C 454.3 during the post-outburst phase-Detection of the little and big blue bumps
CM Raiteri, M Villata, VM Larionov, T Pursimo, MA Ibrahimov, K Nilsson, ...
Astronomy & Astrophysics 473 (3), 819-827, 2007
1362007
A new activity phase of the blazar 3C 454.3-Multifrequency observations by the WEBT and XMM-Newton in 2007–2008
CM Raiteri, M Villata, VM Larionov, MA Gurwell, WP Chen, OM Kurtanidze, ...
Astronomy & Astrophysics 491 (3), 755-766, 2008
1242008
Short-term flux and colour variations in low-energy peaked blazars
B Rani, AC Gupta, A Strigachev, R Bachev, PJ Wiita, E Semkov, ...
Monthly Notices of the Royal Astronomical Society 404 (4), 1992-2017, 2010
942010
Optical flux and spectral variability of blazars
H Gaur, AC Gupta, A Strigachev, R Bachev, E Semkov, PJ Wiita, ...
Monthly Notices of the Royal Astronomical Society 425 (4), 3002-3023, 2012
892012
WEBT multiwavelength monitoring and XMM-Newton observations of BL Lacertae in 2007–2008-Unveiling different emission components
CM Raiteri, M Villata, A Capetti, MF Aller, U Bach, P Calcidese, ...
Astronomy & Astrophysics 507 (2), 769-779, 2009
852009
First NuSTAR observations of mrk 501 within a radio to tev multi-instrument campaign
A Furniss, K Noda, S Boggs, J Chiang, F Christensen, W Craig, P Giommi, ...
The Astrophysical Journal 812 (1), 65, 2015
792015
Radio-to-UV monitoring of AO 0235+ 164 by the WEBT and Swift during the 2006–2007 outburst
CM Raiteri, M Villata, VM Larionov, MF Aller, U Bach, M Gurwell, ...
Astronomy & Astrophysics 480 (2), 339-347, 2008
772008
Multiwavelength intraday variability of the BL Lacertae S5 0716+ 714
AC Gupta, TP Krichbaum, PJ Wiita, B Rani, KV Sokolovsky, P Mohan, ...
Monthly Notices of the Royal Astronomical Society 425 (2), 1357-1370, 2012
702012
The large amplitude outburst of the young star HBC 722 in NGC 7000/IC 5070, a new FU Orionis candidate
EH Semkov, SP Peneva, U Munari, A Milani, P Valisa
Astronomy & Astrophysics 523, L3, 2010
672010
Quasi-simultaneous two-band optical variability of the blazars 1ES 1959+ 650 and 1ES 2344+ 514
H Gaur, AC Gupta, A Strigachev, R Bachev, E Semkov, PJ Wiita, ...
Monthly Notices of the Royal Astronomical Society 420 (4), 3147-3162, 2012
652012
Exceptional outburst of the blazar CTA 102 in 2012: the GASP–WEBT campaign and its extension
VM Larionov, M Villata, CM Raiteri, SG Jorstad, AP Marscher, I Agudo, ...
Monthly Notices of the Royal Astronomical Society 461 (3), 3047-3056, 2016
612016
Multiband optical variability of three TeV blazars on diverse time-scales
AC Gupta, A Agarwal, J Bhagwan, A Strigachev, R Bachev, E Semkov, ...
Monthly Notices of the Royal Astronomical Society 458 (1), 1127-1137, 2016
602016
Dissecting the long-term emission behaviour of the BL Lac object Mrk 421
MI Carnerero, CM Raiteri, M Villata, JA Acosta-Pulido, VM Larionov, ...
Monthly Notices of the Royal Astronomical Society 472 (4), 3789-3804, 2017
572017
THE WHOLE EARTH BLAZAR TELESCOPE CAMPAIGN ON THE INTERMEDIATE BL LAC OBJECT 3C 66A IN 2007–2008
M Böttcher, K Fultz, HD Aller, MF Aller, J Apodaca, AA Arkharov, U Bach, ...
The Astrophysical Journal 694 (1), 174, 2009
562009
Multiband optical variability of the blazar OJ 287 during its outbursts in 2015–2016
AC Gupta, A Agarwal, A Mishra, H Gaur, PJ Wiita, MF Gu, OM Kurtanidze, ...
Monthly Notices of the Royal Astronomical Society 465 (4), 4423-4433, 2017
552017
The WEBT campaign on the BL Lac object PG 1553+ 113 in 2013. An analysis of the enigmatic synchrotron emission
CM Raiteri, A Stamerra, M Villata, VM Larionov, JA Acosta-Pulido, ...
Monthly Notices of the Royal Astronomical Society 454 (1), 353-367, 2015
552015
Multiwavelength behaviour of the blazar 3C 279: decade-long study from γ-ray to radio
VM Larionov, SG Jorstad, AP Marscher, M Villata, CM Raiteri, PS Smith, ...
Monthly Notices of the Royal Astronomical Society 492 (3), 3829-3848, 2020
522020
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