OGLE-2017-BLG-1820

Tmax	2458051.352	±	0.383	(2017-10-24.85 UT)
tau	27.384	±	3.772
umin	0.210	±	0.058
Amax	4.834	±	1.292
Dmag	1.711	±	0.000
fbl	0.418	±	0.132
Ibl	19.018	±	0.001
I0	19.965	±	0.344

Last Epoch in data: 2458056.49392 (2017-10-29.99 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.