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Table 3.

ULs on fluence and broad-band spectral index β for Medicina observations for which there is a simultaneous burst detection at 408 MHz from NC radio telescope.

Burst ID 1.4 (2σ, Jy ms) β
B08 < 6.3 <  − 1.6
B09 < 4.9 <  − 1.4
B10 < 4.8 <  − 1.1
B11 < 10.1 <  − 2.3
B12 < 4.4 <  − 2.3
B13 < 5.5 <  − 1.9

Notes. The second and third columns represent the limits on fluence and broad-band spectral index, respectively. The former represent the 2σ detection threshold, where σ is the Medicina rms noise computed on a sample of data of duration τ, with τ the FWHM of the given burst as observed at 408 MHz.

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