Dwarf novae in the Hamburg Quasar Survey: Rarer than expected

Dwarf novae in the Hamburg Quasar Survey: Rarer than expected

A. Aungwerojwit, B.T. Gaensicke, P. Rodriguez-Gil, H.-J. Hagen, S. Araujo-Betancor, O. Baernbantner, D. Engels, R. E. Fried, E. T. Harlaftis,

D. Mislis, D. Nogami, P. Schmeer, R. Schwarz, A. Staude, M. A. P. Torres

A&A 455,659