Old Q0957+561 data & software:
► Simple FORTRAN programs to apply the d2 test (accurate and robust time delay measurements)
► Photos
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Our work
TABLE OF CONTENTS:
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Optical variability of isolated and binary QSOs
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Optical variability of lensed QSOs: central engines, extinctions, microlensing effects and cosmological expansion
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SBS 0909+532 |
| FBQ 0951+2635 | |
| QSO 0957+561 | |
| QSO 2237+0305 | |
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Spectroscopy of lensing galaxies and lensed QSOs
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Infrared imaging of fields associated with candidates for lensed QSOs
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