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  The Einstein@Home Gamma-Ray Pulsar Survey II. Source Selection, Spectral Analysis and Multi-wavelength Follow-up

Wu, J., Clark, C. J., Pletsch, H. J., Guillemot, L., Johnson, T. J., Torne, P., et al. (2018). The Einstein@Home Gamma-Ray Pulsar Survey II. Source Selection, Spectral Analysis and Multi-wavelength Follow-up. The Astrophysical Journal, 854(2): 99. doi:10.3847/1538-4357/aaa411.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-BF6E-F Version Permalink: http://hdl.handle.net/21.11116/0000-0003-0228-E
Genre: Journal Article

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 Creators:
Wu, J., Author
Clark, C. J.1, Author
Pletsch, H. J.2, Author              
Guillemot, L., Author
Johnson, T. J., Author
Torne, P., Author
Champion, D. J., Author
Deneva, J., Author
Ray, P. S., Author
Salvetti, D., Author
Kramer, M., Author
Aulbert, C.3, Author              
Beer, C.3, Author              
Bhattacharyya, B., Author
Bock, O.3, Author              
Camilo, F., Author
Cognard, I., Author
Cuéllar, A.1, Author
Eggenstein, H.-B.3, Author              
Fehrmann, H.3, Author              
Ferrara, E. C., AuthorKerr, M., AuthorMachenschalk, B.3, Author              Ransom, S. M., AuthorSanpa-Arsa, S., AuthorWood, K., Author more..
Affiliations:
1AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24009              
2Pulsar Observation and Data Analysis, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_2253649              
3Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
 Abstract: We report on the analysis of 13 gamma-ray pulsars discovered in the Einstein@Home blind search survey using Fermi Large Area Telescope (LAT) Pass 8 data. The 13 new gamma-ray pulsars were discovered by searching 118 unassociated LAT sources from the third LAT source catalog (3FGL), selected using the Gaussian Mixture Model (GMM) machine learning algorithm on the basis of their gamma-ray emission properties being suggestive of pulsar magnetospheric emission. The new gamma-ray pulsars have pulse profiles and spectral properties similar to those of previously-detected young gamma-ray pulsars. Follow-up radio observations have revealed faint radio pulsations from two of the newly-discovered pulsars, and enabled us to derive upper limits on the radio emission from the others, demonstrating that they are likely radio-quiet gamma-ray pulsars. We also present results from modeling the gamma-ray pulse profiles and radio profiles, if available, using different geometric emission models of pulsars. The high discovery rate of this survey, despite the increasing difficulty of blind pulsar searches in gamma rays, suggests that new systematic surveys such as presented in this article should be continued when new LAT source catalogs become available.

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 Dates: 2017-12-142018
 Publication Status: Published in print
 Pages: Accepted for publication in ApJ
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1712.05395
DOI: 10.3847/1538-4357/aaa411
URI: http://arxiv.org/abs/1712.05395
 Degree: -

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Title: The Astrophysical Journal
Source Genre: Journal
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Pages: - Volume / Issue: 854 (2) Sequence Number: 99 Start / End Page: - Identifier: -