Wednesday, September 12, 2012

Fermi LAT weekly report N.221


Covered period: 2012.Aug.27 - 2012.Sep.02
LAT Mission week: 221.57 - 222.57

  • Mkn 421 and B3 1343+451 were detected almost all week long with flux in the range 0.4-0.7 X 10-6 and 0.5-1.0 X 10-6, respectively.
  • Four other sources were detected at least in 3 days of the week with some trend in brightness. The flux decreased from 2.1 to 0.5 X 10-6 for PKS 1510-08 and from 0.9 to 0.5 X 10-6 for PKS 2233-148. On the contrary, the flux increased from 0.4 to 0.7 X 10-6 for 4C +38.41 and from 0.6 to 0.9 X 10-6 for PKS B1424-418.
  • Sporadic activity (fluxes above 1.0 X 10-6) was observed from S4 0218+35 (1.7 on Aug. 27) and 3C 273 (1.9 on Aug. 31).
  • Sporadic activity (fluxes below 1.0 X 10-6) was observed from BL Lacertae (0.5 and 0.8 on Aug. 27 and 28), PKS 2326–502 (0.4 and 0.7 on Aug. 28 and 30), PKS 0250-225 (0.4 on Aug. 30), PKS 0405-385 (0.4 on Aug. 31), PKS 0537-441 (0.2 on Sep. 02), B2 0716+33 (0.3 on Sep. 01), and 1H 1013+498 (0.1 on Sep. 01).

Fluxes are in the unit of photons/cm2/s above 100 MeV. All errors are statistical only.

Note. All the fluxes reported above are from the ASP analysis and should be considered preliminary and should not be used for publication, however they are indicative of the flux range and the current status of a source. Source association is done on the basis of source location, considering spatial coincidence only, and it is not indicative of an identification.
- Please acknowledge the LAT team if you use information from this report.

For questions and comments please contact:
- D. Donato (donato[at]milkyway.gsfc.nasa.gov) for generic information related to this week
- Contact persons on this page for individual sources cited above.


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