Thursday, March 4, 2010

Covered period: 2010.Feb.15 - 2010.Feb .21

LAT Mission week: 89.57 - 90.57

  • 3C 454.3 still bright with a daily flux at around 3E-6 during this week.

  • Blazar 4C 21.35 has been bright, detected with a daily flux at about 1E-6 four days in the week.

  • Markarian 421 was detected on Feb. 16th, 17th and 21th with a daily flux below 0.5E-6. On Feb. 17th, the blazar exhibited a spectral index of 1.4+/-0.2 and TS=111.

  • PKS 0537-441 detected a couple of times during the week with a daily flux just below 1E-6.

  • J1332-0509 popped up only on Feb. 16th with a daily flux of ( 0.9 +/- 0.3)E-6.

  • PKS 0426-380 detected from Feb. 18th to the end of the week, with a daily flux around 1E-6, reaching (3+/-1)E-6 in the first 6h run on Feb. 18th.

  • B2 1520+31 detected on Feb. 21th with a daily flux of (0.8+/-0.3)E-6.

  • High-Mass X-ray Binary LSI +61 303 was bright during this week, reaching (4 +/- 1)E-6 in the first 6h run on Feb. 18th.

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:

- Lise Escande (escande@cenbg.in2p3) or Denis Bastieri ( for generic information related to this week

- Contact persons on this page for individual sources cited above.

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