A Search for Pulsed Very High-energy Gamma-Rays from 13 Young Pulsars in Archival VERITAS Data

A Archer,B Zitzer,R Mukherjee,R Bird,L Fortson,P Wilcox,M Kertzman,E Pueschel,D Kieda,N Kelley-Hoskins,D A Williams,G H Sembroski,K Ragan,D Pandel,P Moriarty,W Benbow,J P Finley,J Tyler,S Kumar,R A Ong,I Sadeh,A Wilhelm,T T Y Lin,A Gent,S O’Brien,J Quinn,C A Johnson,O Gueta,M Buchovecky,Q Feng,M Santander,S P Wakely,A Furniss,I Sushch,A N Otte,A Weinstein,D Hanna,J Holder,R M Wells,E Roache,A Mccann,A Petrashyk,O Hervet,S S Scott,P Kar,K Shahinyan,J H Buckley,F Krennrich,N Park,T B Humensky,G Hughes,A Falcone,M J Lang,Robert Brose ,Wei Cui ,Philip Kaaret ,Alisha Chromey ,T J Williamson ,Martin Pohl ,Tarek Hassan ,G Richards

doi:10.3847/1538-4357/ab14f4

A Search for Pulsed Very High-energy Gamma-Rays from 13 Young Pulsars in Archival VERITAS Data

A Archer, B Zitzer + Show 59 more

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https://doi.org/10.3847/1538-4357/ab14f4

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#Very High-energy #Very High-energy Gamma-ray + Show 8 more

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Abstract

Abstract We conduct a search for periodic emission in the very high-energy (VHE) gamma-ray band (E > 100 GeV) from a total of 13 pulsars in an archival VERITAS data set with a total exposure of over 450 hr. The set of pulsars includes many of the brightest young gamma-ray pulsars visible in the Northern Hemisphere. The data analysis resulted in nondetections of pulsed VHE gamma-rays from each pulsar. Upper limits on a potential VHE gamma-ray flux are derived at the 95% confidence level above three energy thresholds using two methods. These are the first such searches for pulsed VHE emission from each of the pulsars, and the obtained limits constrain a possible flux component manifesting at VHEs as is seen for the Crab pulsar.

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