GRB 191019A: A Short Gamma-Ray Burst in Disguise from the Disk of an Active Galactic Nucleus

Long and short gamma-ray bursts (GRBs), canonically separated at around 2 s duration, are associated with different progenitors: the collapse of a massive star and the merger of two compact objects, respectively. GRB 191019A was a long GRB ( T 90 ∼ 64 s). Despite the relatively small redshift z = 0....

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Veröffentlicht in:	Astrophysical journal. Letters 2023-06, Vol.950 (2), p.L20
Hauptverfasser:	Lazzati, Davide, Perna, Rosalba, Gompertz, Benjamin P., Levan, Andrew J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Accretion disks Active galactic nuclei Binary stars Density Galaxies Galaxy accretion disks Gamma ray astronomy Gamma ray bursts Gamma rays Gravitational waves Hubble Space Telescope Light curve Massive stars Photosphere Red shift Space telescopes Star & galaxy formation Star formation Stars Stellar evolution Supernova
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