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Feeding black holes: tracing gas flows from the outskirts to the centers of galaxies

Published online by Cambridge University Press:  01 July 2007

S. Haan ,
E. Schinnerer ,
C. G. Mundell ,
F. Combes ,
S. García-Burillo  and
E. Emsellem
S. Haan
Affiliation:
Max-Planck-Institut für Astronomie, Königstuhl, 17, 69117-Heidelberg, Germany email: [email protected], [email protected]
E. Schinnerer
Affiliation:
Max-Planck-Institut für Astronomie, Königstuhl, 17, 69117-Heidelberg, Germany email: [email protected], [email protected]
C. G. Mundell
Affiliation:
Astrophysics Research Institute, Liverpool John Moores University, Twelve Quays House, Egerton Wharf, Birkenhead, CH41 1LD, UK email: [email protected]
F. Combes
Affiliation:
Observatoire de Paris, LERMA, 61 Av. de l'Observatoire, 75014-Paris, France email: [email protected]
S. García-Burillo
Affiliation:
Observatorio Astronómico Nacional (OAN)-Observatorio de Madrid, Alfonso XII, 3, 28014-Madrid, Spain email: [email protected]
E. Emsellem
Affiliation:
Université de Lyon 1, CRAL, CNRS, UMR5574, Observatoire de Lyon; ENS de Lyon, France email: [email protected]
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Abstract

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We analyzed the distribution and kinematics of the atomic gas (HI) in 16 nearby spiral galaxies. Our results indicate that the morphology of the atomic gas and dynamically disturbed outer disks correlate with the AGN type present (Seyfert, LINER). From the combined HI and CO data (from the NUGA project), 2-dimensional maps of the gas flow are computed and gas inflow rates are derived as a function of radius within the disks.

Keywords

galaxies: kinematics and dynamicsgalaxies: Seyfertgalaxies: spiralradio lines: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S245: Formation and Evolution of Galaxy Bulges , July 2007 , pp. 247 - 248
Copyright
Copyright © International Astronomical Union 2008

References

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Haan, S., Schinnerer, E., Mundell, C. G., García-Burillo, S., & Combes, F. 2007, AJ, submittedGoogle Scholar
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