Osse upper limits to pulsar gamma-ray emission

P. C. Schroeder; M. P. Ulmer; S. M. Matz; D. A. Grabelsky; W. R. Purcell; J. E. Grove; W. N. Johnson; R. L. Kinzer; J. D. Kurfess; M. S. Strickman; G. V. Jung

doi:10.1086/176183

Osse upper limits to pulsar gamma-ray emission

P. C. Schroeder^*, M. P. Ulmer, S. M. Matz, D. A. Grabelsky, W. R. Purcell, J. E. Grove, W. N. Johnson, R. L. Kinzer, J. D. Kurfess, M. S. Strickman, G. V. Jung

^*Corresponding author for this work

Physics and Astronomy

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Abstract

We present upper limits from CGRO Oriented Scintillation Spectrometer Experiment (OSSE) observations of pulsars and a summary of pulsar observations made with the Compton Gamma Ray Observatory (CGRO). We also report an upper limit to phase-averaged emission for the globular cluster 47 Tue which is thought to contain many millisecond pulsars. The 2 σ upper limit is 3 × 10^-5 photons cm^-2 s^-1 keV^-1 in the 50-150 keV energy range. The best predictor of a pulsar having a detectable gamma-ray emission appears to be the X-ray luminosities observed by the Röntgen Satellite (ROSAT) (∼0.1-2.4 keV) or the Einstein satellite (∼0.1-4.0 keV). We compare the gamma-ray data to models related to the inferred magnetic field, the spin-down rate, and/or the frequency. Apparent correlations indicated by the pulsars detected by OSSE and the CGRO Energetic Gamma-Ray Experiment Telescope (EGRET) have counterexamples in all cases.

Original language	English (US)
Pages (from-to)	784-790
Number of pages	7
Journal	Astrophysical Journal
Volume	450
Issue number	2
DOIs	https://doi.org/10.1086/176183
State	Published - Sep 10 1995

Keywords

Gamma rays: observations
Pulsars: general

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/176183

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title = "Osse upper limits to pulsar gamma-ray emission",

abstract = "We present upper limits from CGRO Oriented Scintillation Spectrometer Experiment (OSSE) observations of pulsars and a summary of pulsar observations made with the Compton Gamma Ray Observatory (CGRO). We also report an upper limit to phase-averaged emission for the globular cluster 47 Tue which is thought to contain many millisecond pulsars. The 2 σ upper limit is 3 × 10-5 photons cm-2 s-1 keV-1 in the 50-150 keV energy range. The best predictor of a pulsar having a detectable gamma-ray emission appears to be the X-ray luminosities observed by the R{\"o}ntgen Satellite (ROSAT) (∼0.1-2.4 keV) or the Einstein satellite (∼0.1-4.0 keV). We compare the gamma-ray data to models related to the inferred magnetic field, the spin-down rate, and/or the frequency. Apparent correlations indicated by the pulsars detected by OSSE and the CGRO Energetic Gamma-Ray Experiment Telescope (EGRET) have counterexamples in all cases.",

keywords = "Gamma rays: observations, Pulsars: general",

author = "Schroeder, {P. C.} and Ulmer, {M. P.} and Matz, {S. M.} and Grabelsky, {D. A.} and Purcell, {W. R.} and Grove, {J. E.} and Johnson, {W. N.} and Kinzer, {R. L.} and Kurfess, {J. D.} and Strickman, {M. S.} and Jung, {G. V.}",

year = "1995",

month = sep,

day = "10",

doi = "10.1086/176183",

language = "English (US)",

volume = "450",

pages = "784--790",

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TY - JOUR

T1 - Osse upper limits to pulsar gamma-ray emission

AU - Schroeder, P. C.

AU - Ulmer, M. P.

AU - Matz, S. M.

AU - Grabelsky, D. A.

AU - Purcell, W. R.

AU - Grove, J. E.

AU - Johnson, W. N.

AU - Kinzer, R. L.

AU - Kurfess, J. D.

AU - Strickman, M. S.

AU - Jung, G. V.

PY - 1995/9/10

Y1 - 1995/9/10

N2 - We present upper limits from CGRO Oriented Scintillation Spectrometer Experiment (OSSE) observations of pulsars and a summary of pulsar observations made with the Compton Gamma Ray Observatory (CGRO). We also report an upper limit to phase-averaged emission for the globular cluster 47 Tue which is thought to contain many millisecond pulsars. The 2 σ upper limit is 3 × 10-5 photons cm-2 s-1 keV-1 in the 50-150 keV energy range. The best predictor of a pulsar having a detectable gamma-ray emission appears to be the X-ray luminosities observed by the Röntgen Satellite (ROSAT) (∼0.1-2.4 keV) or the Einstein satellite (∼0.1-4.0 keV). We compare the gamma-ray data to models related to the inferred magnetic field, the spin-down rate, and/or the frequency. Apparent correlations indicated by the pulsars detected by OSSE and the CGRO Energetic Gamma-Ray Experiment Telescope (EGRET) have counterexamples in all cases.

AB - We present upper limits from CGRO Oriented Scintillation Spectrometer Experiment (OSSE) observations of pulsars and a summary of pulsar observations made with the Compton Gamma Ray Observatory (CGRO). We also report an upper limit to phase-averaged emission for the globular cluster 47 Tue which is thought to contain many millisecond pulsars. The 2 σ upper limit is 3 × 10-5 photons cm-2 s-1 keV-1 in the 50-150 keV energy range. The best predictor of a pulsar having a detectable gamma-ray emission appears to be the X-ray luminosities observed by the Röntgen Satellite (ROSAT) (∼0.1-2.4 keV) or the Einstein satellite (∼0.1-4.0 keV). We compare the gamma-ray data to models related to the inferred magnetic field, the spin-down rate, and/or the frequency. Apparent correlations indicated by the pulsars detected by OSSE and the CGRO Energetic Gamma-Ray Experiment Telescope (EGRET) have counterexamples in all cases.

KW - Gamma rays: observations

KW - Pulsars: general

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JF - Astrophysical Journal

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Osse upper limits to pulsar gamma-ray emission

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