S315p.251 — Dense Gas and Star formation in Interacting Galaxies from the VIXENS Survey and Comparison to Galactic Regions

Date & Time

Aug 4th at 6:00 PM until 6:00 PM




Rating ( votes)

Author(s): Amanda Heiderman4, Timothy Davis2, Neal J Evans3, Daisuke Iono1

Institution(s): 1. Nobeyama Radio Observatory,, 2. University of Hertfordshire , 3. University of Texas, 4. University of Virginia

We present first results from our IRAM and NRO single dish λ=3 mm line survey of 15 interacting galaxies that range from early (close pairs) to late (merger remnant) interaction stages from the VIXENS survey. We detect a variety of molecular lines including dense gas tracers HCN, HNC, HCO+, CS, CN (and others) as well as 12CO and 13CO. We compare the 12CO and 13CO to dense gas line ratios and discuss trends with interaction stage. We also investigate relations between star formation and dense gas content in these nearby mergers and compare them to Galactic regions.