79 citations · 258 across the 10 of their papers we have counts for
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astro-ph2006
Gravitationally Lensed QSOs: Optical Monitoring with the EOCA and the Liverpool Telescope (LT)
L. J. Goicoechea, A. Ullan, J. E. Ovaldsen +3
The aim of this contribution is to present the two first phases of the optical monitoring programme of the Gravitational Lenses group at the Universidad de Cantabria (GLUC, http://…
astro-ph2006★ 33 cited
Time delay of SBS 0909+532
A. Ullan, L. J. Goicoechea, A. P. Zheleznyak +4
The time delays between the components of a lensed quasar are basic tools to analyze the expansion of the Universe and the structure of the main lens galaxy halo. In this paper, we…