activity
19982026
most citedThe nature and size of the optical continuum source in QSO 2237+0305

64 citations · 750 across the 54 of their papers we have counts for

collaborators
Showing 2017Show all

1 paper · 1 filter

astro-ph.GA2017★ 20 cited

Doubly imaged quasar SDSS J1515+1511: time delay and lensing galaxies

Vyacheslav N. Shalyapin, Luis J. Goicoechea

We analyse new optical observations of the gravitational lens system SDSS J1515+1511. These include a 2.6-year photometric monitoring with the Liverpool Telescope (LT) in the b…