2 papers
astro-ph2001
Chandra X-ray Observations of the Quadruply Lensed Quasar RX J0911.4+0551
Nicholas D. Morgan, George Chartas, Michael Malm +5
We present results from X-ray observations of the quadruply lensed quasar RX J0911.4+0551 using data obtained with the Advanced CCD Imaging Spectrometer (ACIS) on board the Chandra…
astro-ph2000
An optical time-delay estimate for the double gravitational lens system B1600+434
I. Burud, J. Hjorth, A. O. Jaunsen +7
We present optical I-band light curves of the gravitationally lensed double QSO B1600+434 from observations obtained at the Nordic Optical Telescope (NOT) between April 1998 and No…