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How to Find BL LAC Objects in the RASS

Published online by Cambridge University Press:  25 May 2016

P. Nass
P. Nass*
Affiliation:
Max-Planck-Institut für Extraterrestrische Physik, Germany

Extract

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The correlation of an X-ray survey like the ROSAT All-Sky Survey (RASS) with optical surveys like the Hamburg Quasar Survey (HQS) can significantly increase the number of known BL Lac objects.

Type
Part 5. Extra-Galactic Astronomy
Information
Symposium - International Astronomical Union , Volume 179: New Horizons from Multi-Wavelength Sky Surveys , 1998 , pp. 305 - 307
Copyright
Copyright © Kluwer 1998 

References

Nass, P., Bade, N., Kollgaard, R. I. et al., 1996, Astron. Astrophys.,309,419.Google Scholar