Testing the AGN-starburst connection in Seyfert galaxies

Valentin D. Ivanov; George H. Rieke; Christopher E. Groppi; Almudena Alonso-Herrero; Marcia J. Rieke; C. W. Engelbracht

doi:10.1086/317792

Testing the AGN-starburst connection in Seyfert galaxies

Valentin D. Ivanov, George H. Rieke, Christopher E. Groppi, Almudena Alonso-Herrero, Marcia J. Rieke, C. W. Engelbracht

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

49 Scopus citations

Abstract

We use the CO band at 2.3 μm to constrain the populations of young stars in the central regions of Seyfert galaxies. We report new CO band spectroscopy of 46 Seyfert galaxies. In most cases, the observed CO indices appear diluted by the presence of a nonstellar component (most likely, warm dust surrounding the active nucleus). We used JHKL aperture photometry to estimate the nonstellar contribution at 2.3 μm. We successfully corrected the CO band for the dilution for 16 galaxies which were not dominated by the nonstellar component. Comparing with CO indices measured in elliptical and purely starbursting galaxies, we find no evidence for strong starbursts in the majority of these galaxies.

Original language	English (US)
Pages (from-to)	190-204
Number of pages	15
Journal	Astrophysical Journal
Volume	545
Issue number	1 PART 1
DOIs	https://doi.org/10.1086/317792
State	Published - Dec 10 2000
Externally published	Yes

Keywords

Galaxies : Seyfert
Galaxies : nuclei
Galaxies: starburst
Infrared: galaxies

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/317792

Cite this

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title = "Testing the AGN-starburst connection in Seyfert galaxies",

abstract = "We use the CO band at 2.3 μm to constrain the populations of young stars in the central regions of Seyfert galaxies. We report new CO band spectroscopy of 46 Seyfert galaxies. In most cases, the observed CO indices appear diluted by the presence of a nonstellar component (most likely, warm dust surrounding the active nucleus). We used JHKL aperture photometry to estimate the nonstellar contribution at 2.3 μm. We successfully corrected the CO band for the dilution for 16 galaxies which were not dominated by the nonstellar component. Comparing with CO indices measured in elliptical and purely starbursting galaxies, we find no evidence for strong starbursts in the majority of these galaxies.",

keywords = "Galaxies : Seyfert, Galaxies : nuclei, Galaxies: starburst, Infrared: galaxies",

author = "Ivanov, {Valentin D.} and Rieke, {George H.} and Groppi, {Christopher E.} and Almudena Alonso-Herrero and Rieke, {Marcia J.} and Engelbracht, {C. W.}",

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doi = "10.1086/317792",

language = "English (US)",

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TY - JOUR

T1 - Testing the AGN-starburst connection in Seyfert galaxies

AU - Ivanov, Valentin D.

AU - Rieke, George H.

AU - Groppi, Christopher E.

AU - Alonso-Herrero, Almudena

AU - Rieke, Marcia J.

AU - Engelbracht, C. W.

PY - 2000/12/10

Y1 - 2000/12/10

N2 - We use the CO band at 2.3 μm to constrain the populations of young stars in the central regions of Seyfert galaxies. We report new CO band spectroscopy of 46 Seyfert galaxies. In most cases, the observed CO indices appear diluted by the presence of a nonstellar component (most likely, warm dust surrounding the active nucleus). We used JHKL aperture photometry to estimate the nonstellar contribution at 2.3 μm. We successfully corrected the CO band for the dilution for 16 galaxies which were not dominated by the nonstellar component. Comparing with CO indices measured in elliptical and purely starbursting galaxies, we find no evidence for strong starbursts in the majority of these galaxies.

AB - We use the CO band at 2.3 μm to constrain the populations of young stars in the central regions of Seyfert galaxies. We report new CO band spectroscopy of 46 Seyfert galaxies. In most cases, the observed CO indices appear diluted by the presence of a nonstellar component (most likely, warm dust surrounding the active nucleus). We used JHKL aperture photometry to estimate the nonstellar contribution at 2.3 μm. We successfully corrected the CO band for the dilution for 16 galaxies which were not dominated by the nonstellar component. Comparing with CO indices measured in elliptical and purely starbursting galaxies, we find no evidence for strong starbursts in the majority of these galaxies.

KW - Galaxies : Seyfert

KW - Galaxies : nuclei

KW - Galaxies: starburst

KW - Infrared: galaxies

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JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1 PART 1

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Testing the AGN-starburst connection in Seyfert galaxies

Abstract

Keywords

ASJC Scopus subject areas

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