Dusty waves on a starry sea : The mid-infrared view of M31

@article{Barmby2006DustyWO,
  title={Dusty waves on a starry sea : The mid-infrared view of M31},
  author={P. Barmby and M. Ashby and L. Bianchi and C. Engelbracht and R. Gehrz and K. Gordon and J. Hinz and J. Huchra and R. Humphreys and M. Pahre and P. P{\'e}rez-Gonz{\'a}lez and E. Polomski and G. Rieke and D. Thilker and S. Willner and C. Woodward},
  journal={The Astrophysical Journal},
  year={2006},
  volume={650}
}
Mid-infrared observations of the Andromeda galaxy, M31, obtained with the Infrared Array Camera on board the Spitzer Space Telescope are presented. The image mosaics cover areas of approximately 37 × 16 and include the satellite galaxies M32 and NGC 205. The appearance of M31 varies dramatically in the different mid-infrared bands, from the smooth bulge and disk of the old stellar population seen at 3.6 μm to the well-known "10 kpc ring" dominating the 8 μm image. The similarity of the 3.6 μm… Expand

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