OGLE-2017-BLG-1657

Tmax	2458039.188	±	2.290	(2017-10-12.69 UT)
tau	277.977	±	48.764
umin	0.106	±	0.025
Amax	9.497	±	2.228
Dmag	2.444	±	0.000
fbl	0.072	±	0.018
Ibl	18.478	±	0.003
I0	21.341	±	0.281

Last Epoch in data: 2458054.50833 (2017-10-28.01 UT)

Click here to download gzipped tar file containing full data set for this event
(including map.dat: O-IV VI map (CMD) or I-band map of the finding chart field).

Go to main EWS page where info on other events can be found.

• Finding chart (available also in FITS format (without cross) and Postscript).
  The image size is 2' x 2', North is up and East is to the left.
  If V-band database is available also the CMD of the finding chart field is displayed.
  
       

• Full span light curve (available also in Postscript format)
  
  

• Event light curve (available also in Postscript format)
  
  

• Photometry data file containing 5 columns: Hel.JD, I magnitude, magnitude error, seeing estimation (in pixels - 0.26"/pixel) and sky level.