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Old Q0957+561 data & software: 

Optical Monitoring

HST-STIS Spectra

Simple FORTRAN programs to apply the d2 test (accurate and robust time delay measurements)

 

Postgraduate Course on GL

 

ANGLES SCHOOL POSTER-PDF

 

Workshop 2004

 

WORKSHOP POSTER-PDF

   ► Photos

    Proceedings

 

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TELESCOPES

BINOCULARS

HE 1413+117ABCD

 

●  FIRST LIGHT CURVES   (2008) 

Time delays in the gravitationally lensed quasar H1413+117 (Cloverleaf)  (ApJ)

Long-slit spectra (Gran Telescopio CANARIAS - GTC) of two galaxies in the southwest of the Cloverleaf

Spectroscopy of lensing galaxies in the GTC era (RevMexAA) 

 

   New LT light curves in 20132016