[vsnet-grb-info 607] GRB 021211 Milagro GeV/TeV Observations

[GCN Circulars <gcncirc@lheawww.gsfc.nasa.gov>]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  1740
SUBJECT: GRB 021211 Milagro GeV/TeV Observations
DATE:    02/12/12 15:39:25 GMT
FROM:    Julie McEnery at UMBC/GSFC  <mcenery@milkyway.gsfc.nasa.gov>

Julie McEnery on behalf of the Milagro collaboration reports:

Milagro searched for emission at GeV/TeV energies from GRB 021211 over
the duration reported by the HETE WXM.  No evidence for prompt GeV/TeV
emission was found. A preliminary analysis (assuming a differential
photon spectral index of -2.4) gives an upper limit on the fluence at
the 99.9% confidence level of:

J(0.2-20 TeV) < 3.8 * 10^(-6) erg cm^(-2) (over a 6 second interval)

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