GRB 241030A: detection of the optical afterglow
We detected the optical afterglow of GRB 241030A, about 37 hours after the burst.
GRB 241030A: 31 Oct. 2024
On 30 Oct. 2024, at 05:48:03 UT, the Swift Burst Alert Telescope (BAT) triggered and located GRB 241030A (trigger=1263718). This detection was reported via the Nasa’s GCN 37956 Circular. Later, an optical afterglow was detected.
On 31 October., at 18:28 UTC, 36,8 hours after the burst, we remotely slewed the “Elena” (PlaneWave 17″ + Paramount MEII + SBIG STL-6303E) robotic unit to the transient position, collecting 16, 300-second unfiltered exposures and then averaging them.
We clearly detected the optical counterpart of GRB 241030A.
The position of the source is RA: 22 52 33.52; Decl.: +80 26 59.5 (J2000.0, mean residuals of 0.15”, reference stars from GaiaDR2) and the magnitude was estimated to be 19.9 (SNR=5, assuming R mags for the reference stars from GaiaDR2).
We published a GCN circular (GCN 38031).
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