OGLE-2019-BLG-0831

Tmax	2458641.170	±	0.035	(2019-06-06.67 UT)
tau	15.484	±	1.057
umin	0.218	±	0.020
Amax	4.671	±	0.416
Dmag	1.674	±	0.000
fbl	0.088	±	0.010
Ibl	17.273	±	0.000
I0	19.912	±	0.119

Last Epoch in data: 2458763.55686 (2019-10-07.06 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.