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astro-ph2008
The contact binary GSC 04778-00152 with a visual companion
T. Tuvikene, T. Eenmäe, C. Sterken +1
Photometric and spectroscopic observations of the unstudied 12th-magnitude eclipsing binary GSC 04778-00152 are presented. We report the discovery of a visual companion about 1 mag…
astro-ph2004
Structure of visible and dark matter components of spiral galaxies at z = 0.9
Antti Tamm, Peeter Tenjes
We construct self-consistent light and mass distribution models for 4 distant spiral galaxies. The models include a bulge, a disk and an isothermal dark matter. We find the luminos…
astro-ph2002
HP Lyr - possibly the hottest RV Tau type object
Dariusz Graczyk, Maciej Mikolajewski, Laurits Leedjarv +4
We report Johnson's UBVRI photometric and optical spectroscopic observations of a long period variable HP Lyr which up to now has been considered an eclipsing binary with a period…