Showing astro-phShow all
2 papers · 1 filter
astro-ph2000
A Newly Discovered SU UMa-Type Dwarf Nova, HS 1449+6415
D. Nogami, D. Engels, B. T. Gaensicke +3
We report time-resolved photometric observations of the Hamburg Quasar Survey-selected dwarf nova HS 1449+6415 (= RX J1450.5+6403) during the interval from JD 2451672 to 2451724. D…
astro-ph1998
On the evolutionary behaviour of BL Lac objects
N. Bade, V. Beckmann, N. G. Douglas +5
We present a new well defined sample of BL Lac objects selected from the ROSAT All-Sky Survey (RASS). The sample consists of 39 objects with 35 forming a flux limited sample down t…