Fig. 3 from Spatially Resolved Ultraviolet, Hα, Infrared, and Radio Star Formation in M81

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Spatially Resolved Ultraviolet, Hα, Infrared, and Radio Star Formation in M81

Authors: K. D. Gordon, P. G. Pérez-González, K. A. Misselt, E. J. Murphy, G. J. Bendo, F. Walter, M. D. Thornley, R. C. Kennicutt, Jr., G. H. Rieke, C. W. Engelbracht, J.-D. T. Smith, A. Alonso-Herrero, P. N. Appleton, D. Calzetti, D. A. Dale, B. T. Draine, D. T. Frayer, G. Helou, J. L. Hinz, D. C. Hines, D. M. Kelly, J. E. Morrison, J. Muzerolle, M. W. Regan, J. A. Stansberry, S. R. Stolovy, L. J. Storrie-Lombardi, K. Y. L. Su, and E. T. Young

Gordon et al. 2004 The Astrophysical Journal Supplement Series 154 215.

Provider: AAS Journals

Caption: Fig. 3.

Regions for which fluxes were extracted shown superimposed on the M81 24 μm image. The size of the extraction aperture is reflected in the size of the circle for each region. The average diameter of the apertures is 1.2 kpc. The color coding of the regions is given in Fig. 4. The green box in the lower right corner gives the sky aperture. At 70 μm, the sky noise contribution to the uncertainty in the average aperture is ~2 mJy. This shows that the linear streaks are not affecting the 70 μm aperture measurements as all the fluxes are above 80 mJy. The field of view of the image is ﹩20^{\prime }\times 30^{\prime }﹩.

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