Orphan GRB afterglow searches with the Pan-STARRS1 COSMOS survey
Yun-Jing Huang; Yuji Urata; Kuiyun Huang; Kuei-sheng Lee; Meng-feng Tsai; Yuji Shirasaki; Marcin Sawicki; Stephane Arnouts · 2020 · arXiv
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
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Abstract (excerpt)
We present the result of a search for orphan Gamma-Ray Burst (GRB) afterglows in the Pan-STARRS1 (PS1) COSMOS survey. There is extensive theoretical and observational evidence suggesting that GRBs are collimated jets; the direct observation of orphan GRB afterglows would further support this model. An optimal survey strategy is designed by coupling the PS1 survey with the Subaru/Hyper-Suprime-Cam (HSC) survey. The PS1 COSMOS survey, one of the survey fields in the PS1 Medium Deep Survey (PS1/MDS), searches a field of 7 deg$^2$ from December 2011 to January 2014, reaching a limiting magnitude R
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Metadata source: arXiv