Pulsar Discovery by Global Volunteer Computing
B. Knispel, B. Allen, J. M. Cordes, J. S. Deneva, D. Anderson, C., Aulbert, N. D. R. Bhat, O. Bock, S. Bogdanov, A. Brazier, F. Camilo, D. J., Champion, S. Chatterjee, F. Crawford, P. B. Demorest, H. Fehrmann, P. C. C., Freire, M. E. Gonzalez, D. Hammer, J. W. T. Hessels
TL;DR
This paper reports the discovery of a new pulsar using Einstein@Home, a volunteer computing project that leverages global computer resources to analyze large radio survey data, demonstrating the effectiveness of distributed computing in astrophysics.
Contribution
It introduces a successful application of volunteer computing for pulsar discovery, highlighting the potential for future large-scale astrophysical data analysis.
Findings
Discovered a 40.8 Hz isolated pulsar in radio survey data.
The pulsar likely has closely aligned magnetic and spin axes.
Volunteer computing enables large-scale data analysis for astrophysics.
Abstract
Einstein@Home aggregates the computer power of hundreds of thousands of volunteers from 192 countries to "mine" large data sets. It has now found a 40.8 Hz isolated pulsar in radio survey data from the Arecibo Observatory taken in February 2007. Additional timing observations indicate that this pulsar is likely a disrupted recycled pulsar. PSR J2007+2722's pulse profile is remarkably wide with emission over almost the entire spin period; the pulsar likely has closely aligned magnetic and spin axes. The massive computing power provided by volunteers should enable many more such discoveries.
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