The First Detection of an Orphan Burst at the Rise Phase

Bibcode
2022AstL...48..623L
DOI
10.1134/S1063773722110093
Lipunov, V. M.; Kornilov, V. G.; Topolev, V. V.; Tyurina, N. V.; Gorbovskoy, E. S.; Simakov, S. G.; Zhirkov, K. K.; Vlasenko, D. S.; Francile, C.; Podesta, R.; Podesta, F.; Svinkin, D. S.; Budnev, N. M.; Balanutsa, P. V.; Cheryasov, D. V.; Chasovnikov, A. R.; Rebolo, R.; Serra-Ricart, M.; Gress, O. A.; Ershova, O. A.; Yurkov, V. V.; Gabovich, A. S.; Tlatov, A. G.; Minkina, E. M.; Vladimirov, V. V.; Kuznetsov, A. S.; Antipov, G. A.; Svertilov, S. I.; Tselik, Yu.; Kechin, Ya.
Referencia bibliográfica

Astronomy Letters

Fecha de publicación:
11
2022
Revista
Astronomy Letters
Número de autores
30
Número de autores del IAC
2
Número de citas
3
Número de citas referidas
2
Descripción
We report on the earliest detection of the optical transient MASTER OT J123248.62-012924.5 coincident within the error box with the optical and X-ray transient AT2021lfa/ZTF21aayokph. In our images the brightness of the object rises monotonically with $7σ$ confidence. We interpret this transient as a gamma-ray burst (GRB) characterized by smooth optical self-similar (SOSS) emission, while the nondetection of gamma-ray emission at space observatories is interpreted in terms of the hypothesis of a ``failed'' GRB. Thus, this is the first detection of a nonmonotonic orphan burst.
Tipo
Con árbitro

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