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Title: Einstein@Home discovers a radio-quiet gamma-ray millisecond pulsar

Journal Article · · Science Advances
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Millisecond pulsars (MSPs) are old neutron stars that spin hundreds of times per second and appear to pulsate as their emission beams cross our line of sight. To date, radio pulsations have been detected from all rotation-powered MSPs. Here, in an attempt to discover radio-quiet gamma-ray MSPs, we used the aggregated power from the computers of tens of thousands of volunteers participating in the Einstein@Home distributed computing project to search for pulsations from unidentified gamma-ray sources in Fermi Large Area Telescope data. This survey discovered two isolated MSPs, one of which is the only known rotation-powered MSP to remain undetected in radio observations. These gamma-ray MSPs were discovered in completely blind searches without prior constraints from other observations, raising hopes for detecting MSPs from a predicted Galactic bulge population.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE; European Union (EU); National Aeronautic and Space Administration (NASA); Commonwealth of Australia; Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA)
Contributing Organization:
Fermi LATCollaboration
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1437576
Journal Information:
Science Advances, Journal Name: Science Advances Journal Issue: 2 Vol. 4; ISSN 2375-2548
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (7)

Unidentified Gamma-ray Sources as Targets for Indirect Dark Matter Detection with the Fermi-Large Area Telescope text January 2019
Detection and Timing of Gamma-Ray Pulsations from the 707 Hz Pulsar J0952-0607 other January 2019
Bayesian model comparison and analysis of the Galactic disc population of gamma-ray millisecond pulsars journal September 2018
Unidentified Gamma-ray Sources as Targets for Indirect Dark Matter Detection with the Fermi-Large Area Telescope text January 2019
Unidentified gamma-ray sources as targets for indirect dark matter detection with the Fermi -Large Area Telescope journal July 2019
Detection and Timing of Gamma-Ray Pulsations from the 707 Hz Pulsar J0952−0607 journal September 2019
Bayesian Model Comparison and Analysis of the Galactic Disk Population of Gamma-Ray Millisecond Pulsars text January 2018

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