OGLE-2018-BLG-0640

Tmax	2458231.996	±	0.017	(2018-04-23.50 UT)
tau	19.578	±	1.858
umin	0.041	±	0.006
Amax	24.500	±	3.545
Dmag	3.473	±	0.000
fbl	0.267	±	0.031
Ibl	19.929	±	0.003
I0	21.363	±	0.130

Last Epoch in data: 2458416.53565 (2018-10-25.04 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.