This directory contains OGLE-III photometry of QSO 2237+0305 (Huchra's lens).

README         -  this file

A.dat          -  photometry file of component 'A' of quasar image. 

B.dat          -  photometry file of component 'B' of quasar image. 

C.dat          -  photometry file of component 'C' of quasar image. 

D.dat          -  photometry file of component 'D' of quasar image. 

5.dat          -  photometry of comparison star '5'.

6.dat          -  photometry of comparison star '6'.

lcurve.ps.gz   -  most recent OGLE-III light curve of QSO 2237+0305 
                  (gzipped Postscript).

All photometry files contain  three columns: HJD-2450000, V (mag) V_error.

Please note that after the 2006 season the OGLE-III photometry of QSO
2237+0305 was calibrated and tied to the OGLE-II scale. Thus, OGLE-II
and OGLE-III photometry constitue now a homogeneous data set starting in
1997.