OGLE-2017-BLG-0639

Tmax	2457873.775	±	0.000	(2017-04-30.27 UT)
tau	6.285	±	0.164
umin	0.008	±	0.000
Amax	132.6	±	3.709
Dmag	5.306	±	0.000
fbl	0.395	±	0.011
Ibl	18.972	±	0.001
I0	19.980	±	0.031

Last Epoch in data: 2458056.49651 (2017-10-30.00 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.