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Gaseous Streaming Motions Around the Nucleus of M 81

Published online by Cambridge University Press:  03 June 2010

Allan Schnorr Müller ,
Thaisa Storchi-Bergmann ,
Rogemar André Riffel  and
Fabricio Ferrari
Allan Schnorr Müller
Affiliation:
Instituto de Física, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
Thaisa Storchi-Bergmann
Affiliation:
Instituto de Física, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
Rogemar André Riffel
Affiliation:
Instituto de Física, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
Fabricio Ferrari
Affiliation:
Universidade Federal do Pampa, Bagé, Brazil
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We present two-dimensional stellar and gaseous kinematics of the inner 119 × 255 pc2 of the LINER/Seyfert 1 galaxy M 81 on the basis of observations obtained with the Integral Field Unit of the Gemini Multi-Object Spectrograph (GMOS-IFU) on the Gemini North telescope at a spatial resolution of ~10 pc, over the wavelength range 5600–7000 Å. Our goal is to map the gas-streaming motions toward the nucleus suggested by the presence of a dusty nuclear spiral previously observed in HST images (Simões Lopes et al. 2007). Such structures have been shown to be associated with inward gas motions in previous studies by our group (Fathi et al. 2006; Storchi-Bergmann et al. 2007).

Keywords

galaxies: activegalaxies: ISMgalaxies: nucleigalaxies: individual (M 81)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S267: Co-Evolution of Central Black Holes and Galaxies , August 2009 , pp. 335
Copyright
Copyright © International Astronomical Union 2010

References

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