1 citations · 1 across the 2 of their papers we have counts for
2 papers
astro-ph1995
Monitoring of the Einstein Cross with the Nordic Optical Telscope
R. Oestensen, S. Refsdal, R. Stabell +26
We report results from five years of monitoring of the Einstein Cross (Q 2237+0305) with the Nordic Optical Telescope. The photometry, mainly in the R and I bands, has been perform…
astro-ph1995★ 1 cited
The NOT GL survey for multiply imaged quasars
A. O. Jaunsen, M. Jablonski, B. R. Pettersen +1
A gravitational lens (GL)-search program, initiated in 1990 at the Nordic Optical Telescope (NOT), has revealed several possible GL-candidates among a sample of 168 quasars (QSOs),…