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Spectroscopic follow-up of 70μm sources in Spitzer Wide-area Infrared Extragalactic Legacy Survey
H. Patel, D. L. Clements, M. Rowan-Robinson +1
We present spectroscopic follow-up observations of 70μm selected galaxies from the SWIRE XMMLSS and Lockman Hole fields. We have measured spectroscopic redshifts for 293 new source…
Infrared Excess Sources: Compton Thick QSOs, low luminosity Seyferts or starbursts?
A. Georgakakis, M. Rowan-Robinson, K. Nandra +3
We explore the nature of Infrared Excess sources (IRX), which are proposed as candidates for luminous L_X(2-10keV)>1e43erg/s Compton Thick (N_H>2e24cm^{-2}$) QSOs at z~2. Lower red…
Mid-infrared spectroscopy of candidate AGN-dominated submillimeter galaxies
K. Coppin, A. Pope, K. Menendez-Delmestre +23
Spitzer spectroscopy has revealed that ~80% of submm galaxies (SMGs) are starburst (SB) dominated in the mid-infrared. Here we focus on the remaining ~20% that show signs of harbor…