OGLE-2017-BLG-0031

Tmax	2457804.049	±	0.289	(2017-02-19.55 UT)
tau	18.862	±	0.487
umin	0.647	±	0.008
Amax	1.779	±	0.018
Dmag	0.626	±	0.001
fbl	1.000	±	0.000
Ibl	18.578	±	0.001
I0	18.578	±	0.001

Last Epoch in data: 2458057.51196 (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.