Physics and Astronomy Seminiars

September 20, 2019

Lighting the dark molecular gas in galaxies

Dr. Aditya Togi
University of Montana 3:10 PM CHCB 231

Join Us for Tea and Cookies at 2:50 PM

Robust knowledge of molecular gas is necessary to understand star formation in galaxies. The molecular gas content of galaxies must be inferred using indirect tracers since H2, which forms a major component of molecular gas, is not observed under typical cold conditions of interstellar medium (ISM). Physical processes causing enhancement and destruction of these indirect tracers can cause misleading estimates of molecular gas content in galaxies. In the talk I will discuss about the model, which uses quadrupole mid-infrared spectral rotational lines of H2, and its application in studying molecular ISM gas properties in galaxies. I will conclude my talk by discussing our future plans with the Mid-InfraRed Instrument (MIRI) spectrograph onboard James Webb Space telescope.