Browsing Faculty of Science by Author "Alexander, Dave M."
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Mid-Infrared Spectroscopy of High Redshift Submillimeter Galaxies: First Results
Menéndez-Delmestre, Karín; Blain, Andrew W.; Alexander, Dave M.; Smail, Ian; Armus, Lee; Chapman, Scott C.; Frayer, Dave; Ivison, Rob J.; Teplitz, Harry (2007-02-01)We present mid-infrared spectra of 5 submillimeter galaxies at z=0.65-2.38 taken with the Spitzer Space Telescope. Four of these sources, at z<1.5, have strong PAH features and their composite spectrum is well fitted ... -
Mid-Infrared Spectroscopy of Submillimeter Galaxies: Extended Star Formation in Massive High Redshift Galaxies
Menéndez-Delmestre, Karín; Blain, Andrew W.; Smail, Ian; Alexander, Dave M.; Chapman, Scott C.; Armus, Lee; Frayer, Dave; Ivison, Rob J.; Teplitz, Harry (2009-03-24)We used the Spitzer Infrared Spectrograph (IRS) to study the mid-IR properties and investigate the energetics of 24 Submillimeter Galaxies (SMGs). This is the largest sample of SMGs observed with Spitzer IRS and covers the ...