Equatorial coordinates of QSO 2237+0305:
RA (J2000.0) 22:40:30.27 Dec (J2000.0) 03:21:31.0
Finding chart is also available:
OGLE-II light curves of QSO 2237+0305 can be also obtained
in Postscript format from the OGLE Internet Archive:
linear flux scale
OGLE-II photometry of QSO 2237+0305 is available from the OGLE Internet
archive. Data files contain photometry of all components of the Huchra's
lens (A-D) and two comparison stars. See README file.
Photometry of QSO 2237+0305 was obtained with the image subtraction technique
The details on calibration of DIA (Difference Image Analysis) light curves
and microlensing events in QSO 2237+0305 observed by OGLE-II are given in
Wozniak et al. (2000a) and
Wozniak et al. (2000b).
Last updated on: Thu Mar 18 11:20:42 CEST 2010
udalski AT astrouw.edu.pl