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                        PLANET ANOMALY UPDATE
		               2004 #8-1
                      (issued 26-Jun, 04:00 UT) 
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New decline from 'plateau' in event MOA-2004-BLG-33 / OGLE 2004-BLG-367 


Dear Colleagues,

On June-22, 16:36 UT, MOA issued an alert for the event MOA-2004-BLG-33
(also known as OGLE 2004-BLG-367), warning of extremely high magnification,
with the peak due in 8 hours time.

Subsequently, OGLE, MicroFun, MOA, and PLANET data showed a peak of around
I=12.5 near HJD=2453179.6 (June 23.1), with a peak amplification of over
100. After the peak, OGLE and PLANET data show that the event seemed to have
reached a plateau around I=14.6 (all OGLE magnitudes). 

Further monitoring by the PLANET group using the Canopus 1m near Hobart
(Tasmania, Australia) between HJD=2453181.06 and 2453181.22 showed a
continuation of this slow decline. However, recent data from the Canopus 1m
from HJD=2453182.17 to 2453181.29 shows a marked drop of 0.7 to 0.8
magnitudes, and a change in slope to a faster decline. 

Dense monitoring is strongly recommended to determine the nature of this
event.
 
Event:            MOA-2004-BLG-33 or OGLE 2004-BLG-367
RA (J2000):       18:11:31.77  
Dec (J2000):      -25:50:27.3 

The baseline I magnitude reported by the OGLE team is 17.676.

More information, including the latest PLANET lightcurve, is available
from PLANET at 'http://planet.iap.fr', from MOA at
'http://harris.roe.ac.uk/~iab/alert/moa-2004-blg-33.html' or from OGLE at
'http://www.astrouw.edu.pl/~ftp/ogle/ogle3/ews/2004/blg-367.html'. 

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On behalf of the PLANET collaboration,

Andrew Williams

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