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Astron. Astrophys. 321, 229-235 (1997)

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7. Conclusions

We conducted a search for variability within the COMPTEL+IPN error region of GRB 940301. No flux density variations were detected above S = 10 mJy (5 [FORMULA]), within a period of 1 to 4 months after the burst, in the WSRT 92 cm data. However, on a longer timescale we discovered two variable radio sources. The sources fall somewhat outside of the COMPTEL error region. But their separation from the IPN annulus virtually excludes association with GRB 940301. They were the only sources showing significant variations at 325 MHz, within an area of about [FORMULA] diameter around the COMPTEL position. Most likely the objects are AGN. The East source revealed an exceptionally large flux-density increase and a spectral behaviour indicative of a 'fresh' outburst.

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© European Southern Observatory (ESO) 1997

Online publication: June 30, 1998
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