Spitzer/mips infrared imaging of m31: further evidence for a spiral/ring composite structure

@article{Gordon2006SpitzermipsII,
  title={Spitzer/mips infrared imaging of m31: further evidence for a spiral/ring composite structure},
  author={K. Gordon and J. Bailin and C. Engelbracht and G. Rieke and K. Misselt and W. Latter and E. Young and M. Ashby and P. Barmby and B. Gibson and D. Hines and J. Hinz and O. Krause and D. Levine and F. Marleau and A. Noriega-Crespo and S. Stolovy and D. Thilker and M. Werner},
  journal={The Astrophysical Journal},
  year={2006},
  volume={638},
  pages={87}
}
New images of M31 at 24, 70, and 160 μm taken with the Multiband Imaging Photometer for Spitzer (MIPS) reveal the morphology of the dust in this galaxy. This morphology is well represented by a composite of two logarithmic spiral arms and a circular ring (radius ~10 kpc) of star formation offset from the nucleus. The two spiral arms appear to start at the ends of a bar in the nuclear region and extend beyond the star-forming ring. As has been found in previous work, the spiral arms are not… Expand
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