A. Ullán

2 works

Departamento de Física Moderna, Universidad de Cantabria, Avda. de Los Castros s/n, 39005 Santander, Spain e-mail: [email protected]; [email protected]

1. Time delay of SBS 0909+532

   A. Ullán, L. J. Goicoechea, Alexander Zheleznyak +4

   ArticleGalaxies: Formation, Evolution, PhenomenaAstronomy and Astrophysics20063 citations

   ABIABI:AkademIndex/openalex/2026.other.250220

2. Microlensing variability in FBQ 0951+2635: short-time-scale events or a long-time-scale fluctuation?

   V. N. Shalyapin, L. J. Goicoechea, E. Koptelova +7

   ArticleGalaxies: Formation, Evolution, PhenomenaMonthly Notices of the Royal Astronomical Society20091 citations

   ABIABI:AkademIndex/openalex/2026.other.358679