XI BULGARIAN-SERBIAN ASTRONOMICAL CONFERENCE
PRELIMINARY PROGRAM
XI Bulgarian - Serbian Astronomical Conference
14-18 May 2018
Belogradchik, Bulgaria
14-18 May 2018
Belogradchik, Bulgaria
Conference venue: hotel Skalite
14 May
17:00 - 19:00 Arrival and registration
19:00 - Welcome party
15 May
8:30 - 9:30 Registration
9:30 - Opening the conference
Session I: Databases, astroinformatics (chairman: E. Semkov)
9:50 – 10:20 Milan Dimitriević – Atomic spectral line broadening and databases for stellar plasma research – invited talk
10:20 – 10:50 M.Tsvetkov, M.Dimitrijević, K.Tsvetkova – Twenty Years Bulgarian-Serbian Cooperation in Astronomy: Joint Astronomical Conferences
10:50 – 11:10 S.Kashuba, N.Bazyey, M.Tsvetkov – The current state of the Odessa collection of astrophotonegatives
11:10 Coffee break
11:30 – 11:50 N.Kirov, M.Tsvetkov – New capabilities of the software to support digitization of astronomical photographic plates
11:50 - 12:10 O.Kounchev – Application of Nonparametric regression to Big data in Astroinformatics
12:10 – 14:00 Lunch Time
Session II: Sun and solar system (chairman: M. Dimitriević)
14:00 Kamen Kozarev – Early-stage SEP acceleration by CME-driven shocks with realistic seed spectra – invited talk
14:30 – 14:50 A.Nina – Low ionospheric disturbances induced by different terrestrial and extraterrestrial phenomena
14:50 – 15:10 L. Kashapova, D. Zhdanov, S. Lesovoi, A. Kudryavtseva and Lomonosov BDRG collaboration – Why we are interesting in study in weak solar flares?
15:10 – 15:30 R.Miteva, K.Koleva, M.Dechev, A.Veronig, K.Kozarev, T.Temmer, P. Duchlev, K. Dissauer – Hard X-ray diagnostic of proton-producing solar flares compared to other emission signatures
15:30 – 15:50 S. Vidojević, M. Dražić, M. Maksimovic, M. Abada-Simon – An algorithm for type III solar radio bursts recognition
15:50 Coffee break
16:30 – 16:50 Ts. Tsvetkov, E. Ivanov, N. Petrov – Atmospheric phenomena during the total solar eclipse on 21 August 2017
16:50 – 17:10 Ts. B. Georgiev – Titius-Bode relations in the exoplanet systems
17:10 – 17:30 P.Vuca – Milivoj Jugin (1925-2013) great popularizer of astronautics and cosmic flights
16 May
Session III: Stars and stellar evolution (chairman: I. Stateva)
9:00 Goran Damljanovic – The first GAIA data release – DRI and Serbian-Bulgarian astronomical activities – invited talk
9:30 – 9:50 N.Tomov, M.Tomova – Evolution of the accretion structure in the symbiotic binary BF Cyg during its last optical outburst began in 2006
9:50 – 10:10 R. Konstantinova-Antova, A.Lebre, M. Auriere, S.Tsvetkova, R.Bogdanovski, A. Borisova, P. Mathias, B. Thessore – Magnetic field variability in RZ Ari - an evolved M giant
10:10 – 10:30 S. Boeva, G. Latev, P. Nikolov, R. Zamanov, Ts. Georgiev, G. Damljanovic, M. Sekulic, Z. Cvetkovic, R. Pavlovic, O. Vince – Detailed analysis of the low state multicolor light curve of KR Aurigae on 23.02.2017
10:30 – 10:50 U. Wolter, A. Borisova, R. Konstantinova-Antova, K.P. Schröder – Doppler imaging and activity evolution of the Hertzsprung gap star OU Andromedae
10:50 Coffee break
10:50 – 11:10 G.Djurasevic – Accretion disk in massive close binary system
11:10 – 11:30 Z.Cvetković, R.Pavlović – New linear solutions for 13 double stars
11:30 – 12:00 Rumen Bachev – Blazar optical variability: 20 years of observations at Belogradchik Observatory – invited talk
12:00 – 12:20 Y.Nikolov, R.Zamanov – Spectropolarimetric observation of RS Oph
12:20 - 14:30 Lunch Time
14:30 - Excursion
19:00 - Official dinner
17 May
Session IV: Galaxies and cosmology (chairman: Z. Cvetković)
9:30 Daniela Kirilova – BBN cosmological constraints on Physics Beyond Standard Model – invited talk
10:00 – 10:20 Z.Simić – Stark broadening data for spectral lines of rare-earth elements
10:20 – 10:50 M.Stojanović, S.Ninković, N.Martinović, M.D.Jovanović, G.Marković – Potential of Milky Way given analytically
10:50 Coffee break
10:20 – 10:40 M.Churalski, P.Nedialkov, A.Valcheva – A search for new variable objects in the field of OB81 association in M31 galaxy
10:40 – 11:00 V.Srećković, M.Dimitrijević, L.Ignjatović – Chemi-ionization/recombination Atomic Processes in the AGNs Broad-Line Region
11:00 – 11:20 Ž.Mijajlović, N.Pejović, V.Radović – First Serbian works on Theory of Relativity
11:20 – 11:40 E.Mikhailov – Russia Rectangular torus dynamo model and magnetic fields in the outer rings of galaxies
11:40 – 12:00 A.Bajić, M.Dimitrijević – Arheoastronomsko istraživanje Feliks Romulijane
12:00 – 14:00 Lunch Time
Session V: Stars and stellar evolution
14:00 – 15:00 Poster session (chairman: M. Dechev)
15:00 Coffee break
15:30 – 16:30 Poster session
18 May
9:30 - Closing the conference
10:30 - Departure