OGLE-2017-BLG-0840

Tmax	2457900.759	±	0.017	(2017-05-27.26 UT)
tau	25.731	±	0.968
umin	0.023	±	0.001
Amax	42.821	±	1.898
Dmag	4.079	±	0.000
fbl	0.070	±	0.003
Ibl	17.793	±	0.000
I0	20.683	±	0.051

Last Epoch in data: 2458057.50375 (2017-10-31.00 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.