OGLE-2017-BLG-1639

Tmax	2457982.819	±	0.241	(2017-08-17.32 UT)
tau	9.938	±	0.517
umin	0.704	±	0.012
Amax	1.673	±	0.020
Dmag	0.559	±	0.001
fbl	1.000	±	0.000
Ibl	18.685	±	0.002
I0	18.685	±	0.002

Last Epoch in data: 2458056.50135 (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.