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Molecular Gas And Infrared Emission In Hcg 31 And Hcg 92 (Stephan's Quintet) And Tidal Interactions In Compact Group Environment, Min S. Yun, L Verdes-Montenegro, A Del Olmo, J Perea
Molecular Gas And Infrared Emission In Hcg 31 And Hcg 92 (Stephan's Quintet) And Tidal Interactions In Compact Group Environment, Min S. Yun, L Verdes-Montenegro, A Del Olmo, J Perea
Min S. Yun
We present the interferometric measurements of 2.6 mm CO (J 5 13 0) emission (uFWHM 1 50) and the analysis of IRAS HIRES images of two Hickson compact groups HCG 31 and HCG 92 (“Stephan’s Quintet”). The far-infrared (FIR) emission is concentrated to a single region in HCG 31 while it is clearly extended and peaks near the group center in HCG 92. CO emission is weak in HCG 31, and the brightest peak occurs in the overlap region between the galaxies A and C. CO emission is detected only in galaxy C (NGC 7319) in HCG 92, and the …