The infrared emission from the narrow line region

B. Groves; M. Dopita; R. Sutherland

doi:10.1051/0004-6361:20065097

The infrared emission from the narrow line region

B. Groves^*, M. Dopita, R. Sutherland

^*Corresponding author for this work

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

47 Citations (Scopus)

Abstract

We present models for the mid- and far- infrared emission from the Narrow Line Region (NLR) of Active Galactic Nuclei (AGN). Using the MAPPINGS III code we explore the effect of typical NLR parameters on the spectral characteristics of the IR emission. These include useful IR emission line ratio diagnostic diagrams for the determination of these parameters, as well as Star formation-AGN mixing diagnostics. We also examine emission line to continuum correlations which would assist in separating the IR emission arising from the NLR from that coming from the inner torus. We find for AGN like NGC 1068 and NGC 4151 that the NLR only contributes ∼10% to the total IRAS 25 μm flux, and that other components such as a dusty torus are necessary to explain the total AGN IR emission.

Original language	English
Pages (from-to)	405-416
Number of pages	12
Journal	Astronomy and Astrophysics
Volume	458
Issue number	2
DOIs	https://doi.org/10.1051/0004-6361:20065097
Publication status	Published - Nov 2006

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title = "The infrared emission from the narrow line region",

abstract = "We present models for the mid- and far- infrared emission from the Narrow Line Region (NLR) of Active Galactic Nuclei (AGN). Using the MAPPINGS III code we explore the effect of typical NLR parameters on the spectral characteristics of the IR emission. These include useful IR emission line ratio diagnostic diagrams for the determination of these parameters, as well as Star formation-AGN mixing diagnostics. We also examine emission line to continuum correlations which would assist in separating the IR emission arising from the NLR from that coming from the inner torus. We find for AGN like NGC 1068 and NGC 4151 that the NLR only contributes ∼10% to the total IRAS 25 μm flux, and that other components such as a dusty torus are necessary to explain the total AGN IR emission.",

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author = "B. Groves and M. Dopita and R. Sutherland",

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AU - Groves, B.

AU - Dopita, M.

AU - Sutherland, R.

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N2 - We present models for the mid- and far- infrared emission from the Narrow Line Region (NLR) of Active Galactic Nuclei (AGN). Using the MAPPINGS III code we explore the effect of typical NLR parameters on the spectral characteristics of the IR emission. These include useful IR emission line ratio diagnostic diagrams for the determination of these parameters, as well as Star formation-AGN mixing diagnostics. We also examine emission line to continuum correlations which would assist in separating the IR emission arising from the NLR from that coming from the inner torus. We find for AGN like NGC 1068 and NGC 4151 that the NLR only contributes ∼10% to the total IRAS 25 μm flux, and that other components such as a dusty torus are necessary to explain the total AGN IR emission.

AB - We present models for the mid- and far- infrared emission from the Narrow Line Region (NLR) of Active Galactic Nuclei (AGN). Using the MAPPINGS III code we explore the effect of typical NLR parameters on the spectral characteristics of the IR emission. These include useful IR emission line ratio diagnostic diagrams for the determination of these parameters, as well as Star formation-AGN mixing diagnostics. We also examine emission line to continuum correlations which would assist in separating the IR emission arising from the NLR from that coming from the inner torus. We find for AGN like NGC 1068 and NGC 4151 that the NLR only contributes ∼10% to the total IRAS 25 μm flux, and that other components such as a dusty torus are necessary to explain the total AGN IR emission.

KW - Dust

KW - Extinction

KW - Galaxies: Active

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DO - 10.1051/0004-6361:20065097

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VL - 458

SP - 405

EP - 416

JO - Astronomy and Astrophysics

JF - Astronomy and Astrophysics

IS - 2

ER -

The infrared emission from the narrow line region

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