BAJ Volume 12 (2009)
- Official documents of the 4th National Conference of the Bulgarian Astronomical Society (in Bulgarian)
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Metallicity effects in the spectral classification of O-type stars. Theoretical
consideration.
Nevena Markova, Luciana Bianchi, Boryana Efremova, Joahim Puls -
Am stars and tidally driven abundance anomalies
Ivanka K. Stateva, Ilian Kh. Iliev, Jan Budaj, Ina S. Barzova -
Are the Be/X-ray binaries synchronized?
K. A. Stoyanov, R. K. Zamanov, A. Gomboc, G. Matijevic -
CCD photometry of V425 Cas in the period 2006-2007
Svetla Tsvetkova, Svetlana Boeva -
Data-mining in astrophysics. A search for new variable stars in databases
Dinko Dimitrov -
Opportunities for extra-solar planet observations at Rozhen NAO.
Dinko Dimitrov -
The "Sun - climate" relationship. II. The "cosmogenic" beryllium and the middle latitude aurora.
Boris Komitov -
Current status of the optic alignment of the 2m Rozhen telescope
Haralambi Markov, Pencho Markishki, Tanyu Bonev -
Observations of the solar eclipse on March 29, 2006, from Varna and Antalia
Natasha Ivanova -
Behavior of the air temperature and pressure during the total solar eclipses held on March 29, 2006 and August 1, 2008
Natasha Ivanova -
The international Space-school
Natasha Ivanova -
Applying of interactive methods for astronomy education in a school project
"International space colony TANHGRA"
Veselka Radeva -
Astronomy and culture
Dimitar Z. Kolev -
Exercise: "Determination of the distance to the galaxy M100
by photometry of cepheids using SalsaJ software"
Diana Kyurkchieva