New Horizons from Multi-Wavelength Sky Surveys pp 305-307 | Cite as
How to Find BL Lac Objects in the Rass
Conference paper
Abstract
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.
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References
- Nass P., Bade, N., Kollgaard, R. I. et al., 1996, Astron.Astrophys., 309,419ADSGoogle Scholar
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© IAU 1997