A Spectroscopic Survey of Cataclysmic Variables

Extract

The writer has undertaken a survey of cataclysmic variables (CV’s) with the image-dissector scanner on the Kitt Peak 2.1-m reflector. A resolution of 7 Å is obtained, and the wavelength interval 3500–5300 Å is covered. Generally only one or two observations of each object are made, with a typical integration time of 10 min. To date, about 100 objects have been observed; most of them are classified in the GCVS as U Gem, Z Cam, or Nl variables or old novae, but a number of irregular variables (types Is, L, ?, or RCB) that appear blue on the Palomar Sky Survey prints have also been included.