164 citations · 392 across the 7 of their papers we have counts for
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astro-ph2003★ 11 cited
Five nights of intensive R- and V-band photometry of QSO 0957+561A,B
J. E. Ovaldsen, J. Teuber, R. Stabell +1
We present R- and V-band photometry of the gravitational lens system QSO 0957+561 from five nights (one in 2000 January and four in 2001 March, corresponding to the approximate tim…
astro-ph2003★ 32 cited
New aperture photometry of QSO 0957+561; application to time delay and microlensing
J. E. Ovaldsen, J. Teuber, R. E. Schild +1
We present a re-reduction of archival CCD frames of the doubly imaged quasar 0957+561 using a new photometry code. Aperture photometry with corrections for both cross contamination…