Volume 20 (2014)

SN2011by: Rozhen photometry and spectra
D. Dimitrov, D. Kjurkchieva

Graphic presentation of the simplest statistical tests
Tsvetan B. Georgiev

Photometric reverberation mapping of Markarian 279
R.Bachev, A.Strigachev, E.Semkov, S.Boeva, S.Peneva, S.Ibryamov,
K.Stoyanov, B.Spassov, S.Tsvetkova, B.Mihov, G.Latev, D.Dimitrov

Parameters of the eclipsing variable star V523 Cassiopeiae
I. E. Kalcheva

The dependence of the baryon asymmetry generation on the couplings of the baryon charge carrying scalar field
M. Panayotova, D. Kirilova

3C 273 - half a century later
L. Slavcheva-Mihova, B. Mihov, I. Iliev

The unusual photometri behavior of the new FUor star V2493 Cyg (HBC 722)
Evgeni H. Semkov, Stoyanka P. Peneva, Sunay I. Ibryamov, Dinko P. Dimitrov

Analysis of the calendar: C. Ptolemy "Phases of the fixed stars"
M.G. Nickiforov

Book summary:
Linux for astronomers, physicists and engineers - Reference guide
G. Petrov, M. Dechev

Dissertation summaries:
Study of possible binary open star clusters in our Galaxy
V. Kopchev

Destabilization and eruption of solar prominences
K. Koleva