OGLE-2018-BLG-0257

Tmax	2458177.712	±	0.153	(2018-02-28.21 UT)
tau	30.198	±	2.686
umin	0.323	±	0.044
Amax	3.218	±	0.403
Dmag	1.269	±	0.000
fbl	0.418	±	0.073
Ibl	18.904	±	0.001
I0	19.851	±	0.190

Last Epoch in data: 2458416.52075 (2018-10-25.02 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.