Landing page for project EB068

Formaldehyde is one of the flavours of extragalactic MegaMaser activity and three sources have successfully studied. Single dish studies of the galaxy NGC3079 exhibit a narrow and a broad H2CO emission component superposed on two absorption lines at respectively Vsys and Vsys -100km/s. This high resolution proposal seeks to (1) identify the location of these two features relative to the known continuum components in the nucleus and the underlying absorption structures, and (2) establish the structural connections with the observed OH and HI absorption and H2O MM emission features with the same velocity characteristics. At 5 GHz NGC3079 displays a CSO triple continuum structure (core/lobes) and one continuum source (possibly) associated with a starburst driven superbubble blowout. The molecular emission and absorption features reflect on the dynamics of the molecular material inside the nuclear region and serve as diagnostics of the local environment with shocks and FIR radiation fields as also found in the three other MM sources.

This data is part of the archive of VLBI data maintained by JIVE on behalf of the EVN, a network of radio telescopes located primarily in Europe and Asia, with additional antennas in South Africa. The EVN archive itself has the DOI https://doi.org/10.17616/R3Z197