The large amplitude outburst of the young star HBC 722 in NGC 7000/IC 5070, a new FU Orionis candidate von Semkov, E. H., Peneva, S. P., Munari, U., Milani, A., Valisa, P.

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Photometric and spectroscopic variability of the FUor star V582 Aurigae von Semkov, E. H., Peneva, S. P., Munari, U., Dennefeld, M., Mito, H., Dimitrov, D. P., Ibryamov, S., Stoyanov, K. A.

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A long-term photometric study of the FU Orionis star V 733 Cephei von Peneva, S. P., Semkov, E. H., Munari, U., Birkle, K.

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Optical photometry of GM Cep: evidence for UXor type of variability von Semkov, E. H., Peneva, S. P.

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The Unusual Photometric Variability of the PMS Star GM Cep von Semkov, E. H., Ibryamov, S. I., Peneva, S. P., Milanov, T. R., Stoyanov, K. A., Stateva, I. K., Kjurkchieva, D. P., Dimitrov, D. P., Radeva, V. S.

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The pre-main-sequence star V1184 Tauri (CB 34V) at the end of prolonged eclipse von Semkov, E. H., Peneva, S. P., Ibryamov, S. I.

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A new deep minimum in the light curve of the PMS star V 1184 Tauri (CB 34V) von Semkov, E. H.

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A long-term photometric study of V 1184 Tauri von Semkov, E. H., Tsvetkov, M. K., Borisova, A. P., Stavrev, K. Y., Kroll, P., Berthold, T., Birkle, K., Mandel, H., Mito, H., Tarusawa, K.

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Optical photometric and spectral study of the new FU Orionis object V2493 Cygni (HBC 722) von Semkov, E. H., Peneva, S. P., Munari, U., Tsvetkov, M. K., Jurdana-Šepić, R., de Miguel, E., Schwartz, R. D., Dimitrov, D. P., Kjurkchieva, D. P., Radeva, V. S.

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Long-term photometric observations of pre-main sequence objects in the field of North America/Pelican Nebula von Poljančić Beljan, I., Jurdana-Šepić, R., Semkov, E. H., Ibryamov, S., Peneva, S. P., Tsvetkov, M. K.

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Photometric and spectroscopic study of V 1184 Tauri von Semkov, E. H.

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Photometric study of the FUor star V 1735 Cyg (Elias 1-12) von Peneva, S. P., Semkov, E. H., Stavrev, K. Y.

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LONG-TERM OPTICAL PHOTOMETRIC MONITORING OF THE FUOR STAR V900 MON von Semkov, E. H., Peneva, S. P., Ibryamov, S. I.

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The complex variability of blazars: time-scales and periodicity analysis in S4 0954+65 von Raiteri, C M, Villata, M, Larionov, V M, Jorstad, S G, Marscher, A P, Weaver, Z R, Acosta-Pulido, J A, Agudo, I, Andreeva, T, Arkharov, A, Bachev, R, Benítez, E, Berton, M, Björklund, I, Borman, G A, Bozhilov, V, Carnerero, M I, Carosati, D, Casadio, C, Chen, W P, Damljanovic, G, D’Ammando, F, Escudero, J, Fuentes, A, Giroletti, M, Grishina, T S, Gupta, A C, Hagen-Thorn, V A, Hart, M, Hiriart, D, Hou, W-J, Ivanov, D, Kim, J-Y, Kimeridze, G N, Konstantopoulou, C, Kopatskaya, E N, Kurtanidze, O M, Kurtanidze, S O, Lähteenmäki, A, Larionova, E G, Larionova, L V, Marchili, N, Markovic, G, Minev, M, Morozova, D A, Myserlis, I, Nakamura, M, Nikiforova, A A, Nikolashvili, M G, Otero-Santos, J, Ovcharov, E, Pursimo, T, Rahimov, I, Righini, S, Sakamoto, T, Savchenko, S S, Semkov, E H, Shakhovskoy, D, Sigua, L A, Stojanovic, M, Strigachev, A, Thum, C, Tornikoski, M, Traianou, E, Troitskaya, Y V, Troitskiy, I S, Tsai, A, Valcheva, A, Vasilyev, A A, Vince, O, Zaharieva, E

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Long-Term Multicolour Photometry of the Young Stellar Objects FHO 26, FHO 27, FHO 28, FHO 29, and V1929 Cygni von Ibryamov, S. I., Semkov, E. H., Peneva, S. P.

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Photometric and spectroscopic study of five pre-main sequence stars in the vicinity of NGC 7129 von Semkov, E.H., Ibryamov, S.I., Peneva, S.P.

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The complex variability of blazars: time-scales and periodicity analysis in S4 0954+65 von Raiteri, C. M., Villata, M., Larionov, V. M., Jorstad, S. G., Marscher, A. P., Weaver, Z. R., Acosta-Pulido, J. A., Agudo, Andreeva, T., Arkharov, A., Bachev, R., Benitez, E., Berton, M., Bjorklund, Borman, G. A., Bozhilov, Carnerero, M., Carosati, D., Casadio, C., Chen, W. P., Damljanovic, G., D'Ammando, F., Escudero, J., Fuentes, A., Giroletti, M., Grishina, T. S., Gupta, A. C., Hagen-Thorn, V. A., Hart, M., Hiriart, D., Hou, W-J, Ivanov, D., Kim, J-Y, Kimeridze, G. N., Konstantopoulou, C., Kopatskaya, E. N., Kurtanidze, O. M., Kurtanidze, S. O., Lahteenmaki, A., Larionova, E. G., Larionova, L., Marchili, N., Markovic, G., Minev, M., Morozova, D. A., Myserlis, Nakamura, M., Nikiforova, A. A., Nikolashvili, M. G., Otero-Santos, J., Ovcharov, E., Pursimo, T., Rahimov, Righini, S., Sakamoto, T., Savchenko, S. S., Semkov, E. H., Shakhovskoy, D., Sigua, L. A., Stojanovic, M., Strigachev, A., Thum, C., Tornikoski, M., Traianou, E., Troitskaya, Y., Troitskiy, I. S., Tsai, A., Valcheva, A., Vasilyev, A. A., Vince, O., Zaharieva, E.

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The Wide-Field Plate Database - Present status and future development von Tsvetkov, M K, Stavrev, K Y, Tsvetkova, K P, Semkov, E H, Mutafov, A S, Michailov, M-E

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The PMS star V1184 Tau (CB 34V) at the end of prolonged eclipse von Semkov, E H, Peneva, S P, Ibryamov, S I

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Firstnustarobservations of mrk 501 within a radio to tev multi-instrument campaign von Furniss, A, Boggs, S, Christensen, F, Nalewajko, K, Ahnen, M. L, Ansoldi, S, Antoranz, P, Barres de Almeida, U, Becerra González, J, Bernardini, E, Biland, A, Covino, S, De Angelis, A, de Oña Wilhelmi, E, Di Pierro, F, Dominis Prester, D, Fidalgo, D, Fonseca, M. V, Font, L, Frantzen, K, Galindo, D, Garczarczyk, M, Giammaria, P, Hanabata, Y, Hrupec, D, Hughes, G, Kellermann, H, Kodani, K, Kushida, J, Lewandowska, N, Longo, F, López, M, Lorenz, E, Mariotti, M, Mazin, D, Menzel, U, Nievas Rosillo, M, Orito, R, Overkemping, A, Palatiello, M, Paoletti, R, Paredes-Fortuny, X, Prandini, E, Ribó, M, Rodriguez Garcia, J, Saito, T, Saito, K, Satalecka, K, Scapin, V, Schultz, C, Sitarek, J, Takalo, L, Temnikov, P, Thaele, J, Vovk, I, Bird, R, Bugaev, V, Cerruti, M, Ciupik, L, Falcone, A, Feng, Q, Fleischhack, H, Fortson, L, Griffin, S, Håkansson, N, Humensky, T. B, Johnson, C. A, Kieda, D, Krause, M, Lang, M. J, Moriarty, P, Mukherjee, R, O’Faoláin de Bhróit, A, Ong, R. A, Ragan, K, Reynolds, P. T, Richards, G. T, Roache, E, Staszak, D, Telezhinsky, I, Tucci, J. V, Weiner, O. M, Williams, D. A, Zitzer, B, Vince, O, Angelakis, E, Eswaraiah, C, Joner, M. D, Jordan, B, Kataoka, J, Kurtanidze, O. M, Latev, G, Lin, H. C, Raiteri, C. M, Ramakrishnan, V, Sigua, L. A, Semkov, E. H, Tammi, J, Troitsky, I. S,

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