Fermi LAT weekly report no. 47

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** Covered period : 2009/04/20 - 2009/04/26 **
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Highlights:

• PKS 1510-089 was very strong during this week, it shows a flux higher than 12 times the average flux of previous months. Atel #2033 was issued.
  
• 3C273 was quite bright and it was detected in almost days reaching flux of 2.1+/-0.5e-6 ph/cm^2/s.
  
• PKS 1502+106 still bright reaching a flux of 2.0+/-0.4e-6 ph/cm^2/s in the daily time scale.
  
• 3C454.3 was quite bright and it was detected in almost days reaching flux of 1.9+/-0.4e-6 ph/cm^2/s.
  
• B2 1502+31 high activity state, it was reaching flux of 1.9+/-0.7e-6 ph/cm^2/s. Atel #2026 was issued.

Note. All the flux reported above are by the ASP analysis and should be considered preliminary and cannot be used for publication, however they are indicative of the flux range and the current status of a source.
Please acknowledge the LAT team if you use information from this report.

For questions and comments please contact:
S. Cutini (sara.cutini[at]asdc.asi.it) for generic information related to this week;
for PKS 1510-089 the LAT contact person is A. Tramacere (tramacer[at]slac.stanford.edu);
for PKS 1502+106 the LAT contact person is S. Ciprini (stefano.ciprini[at]pg.infn.it);
for B2 1502+31 the LAT contact person is D. Gasparrini (dario.gasparrini[at]asdc.asi.it)