Egret observations of active galactic nuclei: 0836+710, 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196

D. J. Thompson; D. L. Bertsch; B. L. Dingus; C. E. Fichtel; R. C. Hartman; S. D. Hunter; G. Kanbach; D. A. Kniffen; Y. C. Lin; J. R. Mattox; H. A. Mayer-Hasselwander; P. F. Michelson; C. Von Montigny; P. L. Nolan; E. J. Schneid; P. Sreekumar

doi:10.1086/187021

Egret observations of active galactic nuclei: 0836+710, 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196

D. J. Thompson^*, D. L. Bertsch, B. L. Dingus, C. E. Fichtel, R. C. Hartman, S. D. Hunter, G. Kanbach, D. A. Kniffen, Y. C. Lin, J. R. Mattox, H. A. Mayer-Hasselwander, P. F. Michelson, C. Von Montigny, P. L. Nolan, E. J. Schneid, P. Sreekumar

^*Corresponding author for this work

Manipal Centre for Natural Sciences, Manipal

Research output: Contribution to journal › Article › peer-review

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Abstract

The Energetic Gamma Ray Experiment Telescope (EGRET) on the Compton Gamma Ray Observatory observed high-energy gamma rays (50 MeV ≤ E ≤ 2000 MeV) from quasar 0836+710 (z = 2.16) during observations in 1992 January, near the time of an optical flare (von Linde et al. 1993). The gamma-ray spectrum can be fitted with a power law with photon number index 2.4 ± 0.2. EGRET identifies quasars 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196 at a statistical significance of between 4 and 5 standard deviations.

Original language	English
Pages (from-to)	L13-L16
Journal	Astrophysical Journal
Volume	415
Issue number	1 PART 2
DOIs	https://doi.org/10.1086/187021
Publication status	Published - 20-09-1993

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/187021

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Thompson, D. J., Bertsch, D. L., Dingus, B. L., Fichtel, C. E., Hartman, R. C., Hunter, S. D., Kanbach, G., Kniffen, D. A., Lin, Y. C., Mattox, J. R., Mayer-Hasselwander, H. A., Michelson, P. F., Von Montigny, C., Nolan, P. L., Schneid, E. J., & Sreekumar, P. (1993). Egret observations of active galactic nuclei: 0836+710, 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196. Astrophysical Journal, 415(1 PART 2), L13-L16. https://doi.org/10.1086/187021

@article{0c1c5f46c16d47b8ac863eb21567d7a4,

title = "Egret observations of active galactic nuclei: 0836+710, 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196",

abstract = "The Energetic Gamma Ray Experiment Telescope (EGRET) on the Compton Gamma Ray Observatory observed high-energy gamma rays (50 MeV ≤ E ≤ 2000 MeV) from quasar 0836+710 (z = 2.16) during observations in 1992 January, near the time of an optical flare (von Linde et al. 1993). The gamma-ray spectrum can be fitted with a power law with photon number index 2.4 ± 0.2. EGRET identifies quasars 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196 at a statistical significance of between 4 and 5 standard deviations.",

author = "Thompson, \{D. J.\} and Bertsch, \{D. L.\} and Dingus, \{B. L.\} and Fichtel, \{C. E.\} and Hartman, \{R. C.\} and Hunter, \{S. D.\} and G. Kanbach and Kniffen, \{D. A.\} and Lin, \{Y. C.\} and Mattox, \{J. R.\} and Mayer-Hasselwander, \{H. A.\} and Michelson, \{P. F.\} and \{Von Montigny\}, C. and Nolan, \{P. L.\} and Schneid, \{E. J.\} and P. Sreekumar",

year = "1993",

month = sep,

day = "20",

doi = "10.1086/187021",

language = "English",

volume = "415",

pages = "L13--L16",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "American Astronomical Society",

number = "1 PART 2",

}

Thompson, DJ, Bertsch, DL, Dingus, BL, Fichtel, CE, Hartman, RC, Hunter, SD, Kanbach, G, Kniffen, DA, Lin, YC, Mattox, JR, Mayer-Hasselwander, HA, Michelson, PF, Von Montigny, C, Nolan, PL, Schneid, EJ & Sreekumar, P 1993, 'Egret observations of active galactic nuclei: 0836+710, 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196', Astrophysical Journal, vol. 415, no. 1 PART 2, pp. L13-L16. https://doi.org/10.1086/187021

TY - JOUR

T1 - Egret observations of active galactic nuclei

T2 - 0836+710, 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196

AU - Thompson, D. J.

AU - Bertsch, D. L.

AU - Dingus, B. L.

AU - Fichtel, C. E.

AU - Hartman, R. C.

AU - Hunter, S. D.

AU - Kanbach, G.

AU - Kniffen, D. A.

AU - Lin, Y. C.

AU - Mattox, J. R.

AU - Mayer-Hasselwander, H. A.

AU - Michelson, P. F.

AU - Von Montigny, C.

AU - Nolan, P. L.

AU - Schneid, E. J.

AU - Sreekumar, P.

PY - 1993/9/20

Y1 - 1993/9/20

N2 - The Energetic Gamma Ray Experiment Telescope (EGRET) on the Compton Gamma Ray Observatory observed high-energy gamma rays (50 MeV ≤ E ≤ 2000 MeV) from quasar 0836+710 (z = 2.16) during observations in 1992 January, near the time of an optical flare (von Linde et al. 1993). The gamma-ray spectrum can be fitted with a power law with photon number index 2.4 ± 0.2. EGRET identifies quasars 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196 at a statistical significance of between 4 and 5 standard deviations.

AB - The Energetic Gamma Ray Experiment Telescope (EGRET) on the Compton Gamma Ray Observatory observed high-energy gamma rays (50 MeV ≤ E ≤ 2000 MeV) from quasar 0836+710 (z = 2.16) during observations in 1992 January, near the time of an optical flare (von Linde et al. 1993). The gamma-ray spectrum can be fitted with a power law with photon number index 2.4 ± 0.2. EGRET identifies quasars 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196 at a statistical significance of between 4 and 5 standard deviations.

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VL - 415

SP - L13-L16

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1 PART 2

ER -

Egret observations of active galactic nuclei: 0836+710, 0454-234, 0804+499, 0906+430, 1510-089, and 2356+196

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