OGLE-2017-BLG-1721

Tmax	2458015.422	±	0.035	(2017-09-18.92 UT)
tau	12.676	±	2.120
umin	0.098	±	0.020
Amax	10.240	±	2.096
Dmag	2.526	±	0.000
fbl	0.396	±	0.087
Ibl	19.718	±	0.002
I0	20.723	±	0.240

Last Epoch in data: 2458057.50375 (2017-10-31.00 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 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.