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A search for optical transients associated with fast radio burst 150418

机译:搜索与快速无线电突发150418相关的光学瞬变

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We have searched for optical variability in the host galaxy of the radio variable source possibly associated with fast radio burst (FRB) 150418. We compare images of the galaxy taken 1?day after the burst using Subaru/Suprime-Cam with images taken ~1?yr after the burst using Gemini-South/GMOS. No optical variability is found between the two epochs with a limiting absolute magnitude ? ?19 (AB). This limit applies to the optical variability of the putative active galactic nucleus in the galaxy on a timescale of ~1?yr, and also to the luminosity of an optical counterpart of FRB 150418 one day after the burst should it have occurred in this galaxy.
机译:我们已经搜索了可能与快速无线电爆发(FRB)150418相关的无线电可变源宿主星系中的光学变异性。我们比较了使用Subaru / Suprime-Cam爆发后1天拍摄的星系图像与拍摄到的〜1图像使用Gemini-South / GMOS爆发后的yr。在两个历元之间没有发现具有极限绝对值λ的光学可变性。 19(AB)。此限制适用于星系中假定的活动银河系核在约1?yr的时间范围内的光学变异性,也适用于FRB 150418爆发后一天在该星系中发生的光学对应物的光度。

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