Burud, I., Hjorth, J., Courbin, F., Cohen, J. G., Magain, P., Jaunsen, A. O., Kaas, A. A., Faure, C., and Letawe, G.
VizieR On-line Data Catalog: J/A+A/391/481. Originally published in: 2002A&A...391..481B
08/2002
The table lists the data points obtained at the Nordic Optical Telescope used to derive the time delay for the lensed quasar QSO1520+530. (1 data file).