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Long-term optical variability properties of the Palomar–Green quasars |
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| Authors: | Uriel Giveon &dagger ,Dan Maoz,Shai Kaspi,Hagai Netzer, Paul S. Smith |
| Affiliation: | School of Physics and Astronomy and the Wise Observatory, The Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel; NOAO, KPNO, PO Box 26732, Tucson, AZ 85726-6732, USA |
| Abstract: | |
| Keywords: | galaxies: active quasars: general |