OGLE-2017-BLG-1531

Tmax	2457974.769	±	0.172	(2017-08-09.27 UT)
tau	21.634	±	4.359
umin	0.143	±	0.041
Amax	7.062	±	2.005
Dmag	2.122	±	0.000
fbl	0.050	±	0.016
Ibl	18.248	±	0.001
I0	21.491	±	0.342

Last Epoch in data: 2458057.50739 (2017-10-31.01 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.