Panchromatic Tully-Fisher Relations

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

We present panchromatic Tully-Fisher relations from the Spitzer Infrared Nearby Galaxies Survey (SINGS) and its ancillary data archive. These data span a wide range of optical and infrared wavelengths including B, V, R, I, J, H, K, 3.6 and 4.5 microns. We explore trends in the slope and scatter of the observed relations, and discuss the implications of these on the properties of rotationally supported galaxies. Importantly, we extend the study of the Tully-Fisher relation to the 3.6 and 4.5 micron Spitzer wavebands, placing novel constraints on the stellar populations and dust content of these galaxies.

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