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Paper: Multi-Epoch Imaging and Spectroscopy of M33
Volume: 357, The Spitzer Space Telescope: New Views of the Cosmos
Page: 196
Authors: Polomski, E.; Gehrz, R.D.; Woodward, C.E.; Humphreys, R.M.; Boyer, M.; Brandl, B.R.; van Loon, J.; Fazio, G.; Willner, S.P.; Barmby, P.; Ashby, M.; Pahre, M.; Rieke, G.; Gordon, K.; Hinz, J.; Engelbracht, C.; Alonso-Herrero, A.; Misselt, K.; Perez-Gonzalez, P.G.; Roellig, T.
Abstract: We have initiated a multi-epoch Spitzer observing campaign of the galaxy M33. The observing program involves mapping the galaxy multiple times over a period of 2.5 years using the IRAC (3-8 μm) and MIPS (24-160 μm) cameras and conducting followup IRS spectroscopy of specific sources. The current data set includes IRAC maps from 2003 December, 2004 July, August, and 2005 January, and MIPS maps from 2004 January and 2005 January. These images reveal the entire range of phenomena involved in the creation, evolution, and destruction of dust in star formation regions, evolved stars, and SNR.
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