3 papers
astro-ph2005
New clues on outburst mechanisms and improved spectroscopic elements of the black-hole binary V4641 Sagittarii
C. Lindstrom, J. Griffin, L. L. Kiss +4
We present spectroscopic observations of the black-hole binary V4641 Sagittarii, obtained between 4th July 2004 and 28th March 2005, which cover the minor outburst of the star in e…
astro-ph2003
Coordinated Multiwavelength Observations of BL Lacertae in 2000
M. Boettcher
BL Lacertae was the target of an extensive multiwavelength monitoring campaign in the second half of 2000. Simultaneous or quasi-simultaneous observations were taken at radio (UMRA…
astro-ph2003
In-the-Gap SU UMa-Type Dwarf Nova, Var73 Dra with a Supercycle of about 60 Days
D. Nogami, M. Uemura, R. Ishioka +13
An intensive photometric-observation campaign of the recently discovered SU UMa-type dwarf nova, Var73 Dra was conducted from 2002 August to 2003 February. We caught three superout…