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Pis'ma v Zh. Èksper. Teoret. Fiz., 2014, Volume 100, Issue 11, Pages 787–792 (Mi jetpl4479)  

This article is cited in 2 scientific papers (total in 2 papers)

ASTROPHYSICS AND COSMOLOGY

Blind search for radio-quiet and radio-loud gamma-ray pulsars with Fermi-LAT data

G. I. Rubtsovab, E. V. Sokolovab

a Novosibirsk State University
b Institute for Nuclear Research, Russian Academy of Sciences, Moscow

Abstract: The Fermi Large Area Telescope (LAT) has observed more than a hundred of gamma-ray pulsars, about one third of which are radio-quiet, i.e. not detected at radio frequencies. The most of radio-loud pulsars are detected by Fermi LAT by using the radio timing models, while the radio-quiet ones are discovered in a blind search. The difference in the techniques introduces an observational selection bias and, consequently, the direct comparison of populations is complicated. In order to produce an unbiased sample, we perform a blind search of gamma-ray pulsations using Fermi-LAT data alone. No radio data or observations at optical or $X$-ray frequencies are involved in the search process. We produce a gamma-ray selected catalog of 25 non-recycled gamma-ray pulsars found in a blind search, including 16 radio-quiet and 9 radio-loud pulsars. This results in the direct measurement of the fraction of radio-quiet pulsars $\varepsilon_{RQ} = 64\pm 10 %$, which is in agreement with the existing estimates from the population modeling in the outer magnetosphere model. The Polar cap models are disfavored due to a lower expected fraction and the prediction of age dependence. The age, gamma-ray energy flux, spin-down luminosity and sky location distributions of the radio-loud and radio-quiet pulsars from the catalog do not demonstrate any statistically significant difference. The results indicate that the radio-quiet and radio-loud pulsars belong to one and the same population. The catalog shows no evidence for the radio beam evolution.

DOI: https://doi.org/10.7868/S0370274X14230015

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English version:
Journal of Experimental and Theoretical Physics Letters, 2014, 100:11, 689–694

Bibliographic databases:

Document Type: Article
Received: 19.09.2014
Language: English

Citation: G. I. Rubtsov, E. V. Sokolova, “Blind search for radio-quiet and radio-loud gamma-ray pulsars with Fermi-LAT data”, Pis'ma v Zh. Èksper. Teoret. Fiz., 100:11 (2014), 787–792; JETP Letters, 100:11 (2014), 689–694

Citation in format AMSBIB
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\by G.~I.~Rubtsov, E.~V.~Sokolova
\paper Blind search for radio-quiet and radio-loud gamma-ray pulsars
with Fermi-LAT data
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2014
\vol 100
\issue 11
\pages 787--792
\mathnet{http://mi.mathnet.ru/jetpl4479}
\crossref{https://doi.org/10.7868/S0370274X14230015}
\elib{http://elibrary.ru/item.asp?id=22996264}
\transl
\jour JETP Letters
\yr 2014
\vol 100
\issue 11
\pages 689--694
\crossref{https://doi.org/10.1134/S0021364014230118}
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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. Sokolova E.V., Rubtsov G.I., “Search For Differences Between Radio-Loud and Radio-Quiet Gamma-Ray Pulsar Populations With Fermi-Lat Data”, Astrophys. J., 833:2 (2016), 271  crossref  isi  scopus
    2. C. J. Clark, J. Wu, H. J. Pletsch, L. Guillemot, B. Allen, C. Aulbert, C. Beer, O. Bock, A. Cuellar, H. B. Eggenstein, H. Fehrmann, M. Kramer, B. Machenschalk, L. Nieder, “The Einstein@Home Gamma-Ray Pulsar Survey. i. Search Methods, Sensitivity, and Discovery of New Young Gamma-Ray Pulsars”, Astrophys. J., 834:2 (2017), 106  crossref  isi  scopus
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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