OGLE-2019-BLG-0257

Tmax	2458552.750	±	0.225	(2019-03-10.25 UT)
tau	31.399	±	5.326
umin	0.207	±	0.050
Amax	4.912	±	1.159
Dmag	1.728	±	0.000
fbl	0.191	±	0.054
Ibl	18.614	±	0.002
I0	20.413	±	0.308

Last Epoch in data: 2458763.56810 (2019-10-07.07 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.