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Gamma-ray burst localization strategies for the SPHiNX hard x-ray polarimeter
Tech Univ Wien, Fac Phys, Vienna, Austria.;Max Planck Inst Phys & Astrophys, Munich, Germany..
KTH, School of Engineering Sciences (SCI), Physics. AlbaNova Univ Ctr, Oskar Klein Ctr Cosmoparticle Phys, Stockholm, Sweden..
KTH, School of Engineering Sciences (SCI), Physics. AlbaNova Univ Ctr, Oskar Klein Ctr Cosmoparticle Phys, Stockholm, Sweden..ORCID iD: 0000-0001-5191-9306
KTH, School of Engineering Sciences (SCI), Physics. AlbaNova Univ Ctr, Oskar Klein Ctr Cosmoparticle Phys, Stockholm, Sweden..ORCID iD: 0000-0001-7011-7229
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2019 (English)In: JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS, ISSN 2329-4124, Vol. 5, no 1, article id 018002Article in journal (Refereed) Published
Abstract [en]

SPHiNX is a proposed gamma-ray burst (GRB) polarimeter mission operating in the energy range 50 to 600 keV with the aim of studying the prompt emission phase. The polarization sensitivity of SPHiNX reduces as the uncertainty on the GRB sky position increases. The stand-alone ability of the SPHiNX design to localize GRB positions is explored via Geant4 simulations. Localization at the level of a few degrees is possible using three different routines. This results in a large fraction (>80%) of observed GRBs having a negligible (<5%) reduction in polarization sensitivity due to the uncertainty in localization. 

Place, publisher, year, edition, pages
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS , 2019. Vol. 5, no 1, article id 018002
Keywords [en]
polarimeters, x-rays, gamma ray bursts, Monte-Carlo simulations, analysis techniques
National Category
Physical Sciences
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URN: urn:nbn:se:kth:diva-249826DOI: 10.1117/1.JATIS.5.1.018002ISI: 000463885600012Scopus ID: 2-s2.0-85062620103OAI: oai:DiVA.org:kth-249826DiVA, id: diva2:1306097
Note

QC 20190423

Available from: 2019-04-23 Created: 2019-04-23 Last updated: 2019-05-16Bibliographically approved

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Iyer, NirmalKiss, MózsiPearce, MarkXie, Fei

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