Volume 18-2 (2012)



Unresolved Galaxy Classifier for ESA/Gaia mission: Support Vector Machines approach
Ioannis Bellas-Velidis, Mary Kontizas, Anastasios Dapergolas, Evdokia Livanou, Evangelos Kontizas, Antonios Karampelas     


NPM1G 10.0586: an emission-line companion of the Seyfert galaxy Mrk 509
Lyuba Slavcheva-Mihova, Boyko Mihov                                        


V383 Sco -- a post-AGB star periodically eclipsed by pulsating M type supergiant
C. Galan, T. Tomov, T. Kato, G. Pojmanski, D. M. Szczygiel,
B. Pilecki, D. Graczyk, M. Gromadzki, M. Mikolajewski, W. Gieren, A.Strobel                                                       


A spectral study of the active giant OPAnd in the period 1979 - 2010
Ana  Borisova, Renada Konstantinova-Antova, Mishel Auriere, Pascal Petit, Svetla Tsvetkova                            


Fractal morphology of the flickering of the cataclysmic variable star KR Aurigae
Ts. Georgiev, A. Antov, R. Bachev, S. Boeva, G.Latev, B. Spasov, K.  Stoyanov, S. Tsvetkova                 


Searching for optical flickering in 3 symbiotic stars
Kiril A. Stoyanov                                                       

                                                                                                           
Novae search in M 31 with Rozhen NAO telescopes: June - December 2010
Evgeni P. Ovcharov, Antoniya T. Valcheva,  Petko L. Nedialkov                                                    


Detection of Solar particle events in March 2012 at BEO Moussala
A. Tchorbadjieff, I. Angelov, C. Angelov, J. Stamenov, N.  Nikolova, T. Arsov, I. Kalapov,  A.Boyadjieva                        


Photometric study of ultracool dwarfs and M dwarfs: preliminary results
G. Belcheva, E. Ovcharov, A. Antonova                   


Detailed morphological characterization of selected Seyfert galaxies
Lyuba Slavcheva-Mihova                                        


Experimental construction of a CCD-compatable astro-spectrograph at Rozhen NAO
V. N. Popov,  D. P.  Dimitrov                                 


Morphological characterization of selected Seyfert galaxies and comparative analysis with a sample of inactive galaxies
Lyuba S. Slavcheva-Mihova  (Summary of Ph.D. Dissertation) 


Tidal interaction in high-mass X-ray binary and symbiotic stars
Kiril A. Stoyanov (Summary of Ph.D. Dissertation)