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Physics Seminar

Date: Thu. 3 Oct, 2013 4:00 pm - 5:00 pm
Duration: 1 Hour
Location: Workman Center

Phil Cigan, graduate student in the Physics Department, will present the department seminar. He will discuss, "Herschel Spectroscopy of Far-Infrared Lines in Normal Dwarf Galaxies: The View with LITTLE THINGS." Dwarf galaxies present interesting observational challenges for the studies of various galaxy properties. Atmospheric attenuation makes far-infrared (FIR) fine-structure lines particularly hard to detect.  The Herschel Space Telescope has made it possible to measure several FIR atomic lines in normal and typical dwarf galaxies.  The LITTLE THINGS (Local Irregulars That Trace Luminosity Extremes, The HI Nearby Galaxy Survey) project aims to unravel many mysteries of nearby dwarf galaxies using a variety of multi-wavelength data, and our collection of complimentary spectral line and photometry data helps us to provide insight into these systems. Cigan will present observations of five galaxies in the LITTLE THINGS sample, and discuss their results in relation to previous works.  4 p.m. in Workman 101.

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