Mid-infrared spectra of high-redshift (z > 2) radio galaxies

We present the first mid-infrared Spitzer/Infraxed Spectrograph (IRS) observations of powerful radio galaxies at z > 2. These radio galaxies, 4C +23.56 (z = 2.48) and 6C J1908+7220 (z = 3.53), both show strong midinfrared continua, but with 6C J1908+7220 also showing strong PAH emission at re...

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Bibliographic Details
Main Authors: Seymour, Nick, Ogle, P., De Breuck, C., Fazio, G., Galametz, A., Haas, M., Lacy, M., Sajina, A., Stern, D., Willner, S., Vernet, J.
Format: Journal Article
Published: Institute of Physics Publishing 2008
Online Access:http://hdl.handle.net/20.500.11937/21360