Mid-infrared spectroscopy of the hyperluminous infrared galaxy IRAS P09104+4109

Y. Taniguchi; Y. Sato; K. Kawara; T. Murayama; H. Mouri

Mid-infrared spectroscopy of the hyperluminous infrared galaxy IRAS P09104+4109

Y. Taniguchi, Y. Sato, K. Kawara, T. Murayama, H. Mouri

SCI - Astronomy

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

17 Citations (Scopus)

Abstract

We present mid-infrared spectroscopy of the hyperluminous infrared galaxy IRAS 09104+4109 based on observations with ISOCAM CVF. We have detected the emission peak around 8 μm as well as the absorption feature around 10 μm possibly due to silicate, providing evidence for a dusty torus around the central engine. Comparing the observational results with the dusty torus model studied by Pier & Krolik (1992), we show that the most mid infrared emission comes from a compact (a few pc in radius) dusty torus although the excess far infrared emission suggests the presence of an extended dusty torus with radius of ∼ 100 pc.

Original language	English
Pages (from-to)	L1-L4
Journal	Astronomy and Astrophysics
Volume	318
Issue number	1
Publication status	Published - 1997 Feb 1

Keywords

Active galactic nuclei
Hyperluminous infrared galaxy (IRAS P09104+4109)
Infrared emission

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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title = "Mid-infrared spectroscopy of the hyperluminous infrared galaxy IRAS P09104+4109",

abstract = "We present mid-infrared spectroscopy of the hyperluminous infrared galaxy IRAS 09104+4109 based on observations with ISOCAM CVF. We have detected the emission peak around 8 μm as well as the absorption feature around 10 μm possibly due to silicate, providing evidence for a dusty torus around the central engine. Comparing the observational results with the dusty torus model studied by Pier & Krolik (1992), we show that the most mid infrared emission comes from a compact (a few pc in radius) dusty torus although the excess far infrared emission suggests the presence of an extended dusty torus with radius of ∼ 100 pc.",

keywords = "Active galactic nuclei, Hyperluminous infrared galaxy (IRAS P09104+4109), Infrared emission",

author = "Y. Taniguchi and Y. Sato and K. Kawara and T. Murayama and H. Mouri",

year = "1997",

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T1 - Mid-infrared spectroscopy of the hyperluminous infrared galaxy IRAS P09104+4109

AU - Taniguchi, Y.

AU - Sato, Y.

AU - Kawara, K.

AU - Murayama, T.

AU - Mouri, H.

PY - 1997/2/1

Y1 - 1997/2/1

N2 - We present mid-infrared spectroscopy of the hyperluminous infrared galaxy IRAS 09104+4109 based on observations with ISOCAM CVF. We have detected the emission peak around 8 μm as well as the absorption feature around 10 μm possibly due to silicate, providing evidence for a dusty torus around the central engine. Comparing the observational results with the dusty torus model studied by Pier & Krolik (1992), we show that the most mid infrared emission comes from a compact (a few pc in radius) dusty torus although the excess far infrared emission suggests the presence of an extended dusty torus with radius of ∼ 100 pc.

AB - We present mid-infrared spectroscopy of the hyperluminous infrared galaxy IRAS 09104+4109 based on observations with ISOCAM CVF. We have detected the emission peak around 8 μm as well as the absorption feature around 10 μm possibly due to silicate, providing evidence for a dusty torus around the central engine. Comparing the observational results with the dusty torus model studied by Pier & Krolik (1992), we show that the most mid infrared emission comes from a compact (a few pc in radius) dusty torus although the excess far infrared emission suggests the presence of an extended dusty torus with radius of ∼ 100 pc.

KW - Active galactic nuclei

KW - Hyperluminous infrared galaxy (IRAS P09104+4109)

KW - Infrared emission

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