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Monitoring of Lensed Quasars

Eran Ofek, Dan Maoz, Avishay Gal-Yam



Using the Wise observatory 1m telescope we have been monitoring in broad-band V and R a sample of about 30 gravitationally lensed quasars. We are constantly updating the sample with new lens systems. Two sources, B1422+231 and APM08279+5255, are bright mR<16, high-redshift quasars and are also monitored spectroscopically.




Status of observations. Last observation
Prelimnary Light Curves + Finding Charts.
Measured time delay
    HE1104-1805



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Constructed: January 2000, Eran Ofek