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The interacting binary V 393 Scorpii: another clue for Double Periodic Variables
Ronald Mennickent, Zbigniew Kolaczkowski, Gojko Djurasevic +2
We give a brief report on spectroscopic properties of V 393 Scorpii. H alfa emission and shape and radial velocity of He I 5875 are modulated with the long cycle. The long cycle is…
Light Curves of Galactic Eclipsing Double Periodic Variables
G. Michalska, R. E. Mennickent, Z. Kołaczkowski +1
We present results of the investigation of the nature of double periodic variables (DPVs). We have selected a sample of Galactic eclipsing DPVs for a multiwavelength photometric st…
A CCD Search for Variable Stars of Spectral Type B in the Northern Hemisphere Open Clusters. VII. NGC 1502
G. Michalska, A. Pigulski, M. Stęślicki +1
We present results of variability search in the field of the young open cluster NGC 1502. Eight variable stars were discovered. Of six other stars in the observed field that were s…
The class of interacting binaries Double Periodic Variables
R. E. Mennickent, Z. Kolaczkowski
We introduce the class of intermediate mass binaries named Double Periodic Variables (DPVs), characterized by orbital photometric variability (ellipsoidal or eclipsing) in time sca…
Interacting Binary Star Environments and the W Ser - DPV - Algol Connection
R. E. Mennickent, Z. Kolaczkowski
Recent work on some kinds of interacting binaries is summarized, with emphasis on Cataclysmic Variables, Algol-like variables and the recently discovered Double Periodic Variables…
The Araucaria Project. Determination of the LMC Distance from Late-Type Eclipsing Binary Systems: I. OGLE-051019.64-685812.3
G. Pietrzynski, I. Thompson, D. Graczyk +7
We have analyzed the double-lined eclipsing binary system OGLE-051019.64-685812.3 in the LMC which consists of two G4 giant components with very similar effective temperatures. A d…