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Turbulent molecular gas and star formation in the shocked intergalactic medium of Stephan's Quintet
Pierre Guillard, François Boulanger, Guillaume Pineau des Forêts +8
We report on single-dish radio CO observations towards the inter-galactic medium (IGM) of the Stephan's Quintet (SQ) group of galaxies. Extremely bright mid-IR H2 rotational line e…
Detection of Powerful Mid-IR H2 Emission in the Bridge between the Taffy Galaxies
B. W. Peterson, P. N. Appleton, G. Helou +6
We report the detection of strong, resolved emission from warm H2 in the Taffy galaxies and bridge. Relative to the continuum and faint PAH emission, the H2 emission is the stronge…
Observations and modeling of the dust emission from the H2-bright galaxy-wide shock in Stephan's Quintet
P. Guillard, F. Boulanger, M. E. Cluver +3
Spitzer Space Telescope observations revealed powerful mid-infrared (mid-IR) H2 rotational line emission from the Stephan's Quintet (SQ) X-ray emitting large scale shock associated…
A Spitzer Unbiased Ultradeep Spectroscopic Survey
B. Bertincourt, G. Helou, P. Appleton +9
We carried out an unbiased, spectroscopic survey using the low-resolution module of the infrared spectrograph (IRS) on board Spitzer targeting two 2.6 square arcminute regions in t…