The 3-Dimensional Structure of NGC 891 and M51

Details The 3-Dimensional Structure of NGC 891 and M51 The 3-Dimensional Structure of NGC 891 and M51

2012-02-29

arxiv.org/abs/1203.0023v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

3 pages, 1 figure. To appear in the Conference Proceedings of IAU Symposium No. 284: The Spectral Energy Distribution of Galax

Scientific paper

We investigate the three-dimensional structure of the nearby edge-on spiral galaxy NGC 891 using 3D Monte Carlo radiative transfer models, with realistic spiral structure and fractally clumped dust. Using the spiral and clumpiness parameters found from recently completed scattered light models we produce lower resolution SED models which reproduce the global UV-to-FIR SED of NGC 891. Our models contain a color gradient across the major axis of the galaxy - similar to what is seen in images of the NGC 891. With minor adjustment our SED models are able to match the majority of M51's SED, a similar galaxy at a near face-on different inclination.

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