OGLE-2025-BLG-0831

Tmax	2460858.055	±	0.096	(2025-07-01.56 UT)
tau	70.332	±	4.418
umin	0.110	±	0.009
Amax	9.128	±	0.729
Dmag	2.055	±	0.114
fbl	0.694	±	0.059
Ibl	19.148	±	0.006
I0	19.545	±	0.093

Last Epoch in data: 2460968.50062 (2025-10-20.00 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 the 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.