Coffee talks
Friday 08/03/2024 @ 12:10, Sala riunioni quarto piano e on-line (meet.google.com/sue-bwvk-axf)
Inti Matteo Vasquez Ansaloni (University of Bologna), "Giant molecular clouds properties in NGC 3627"
In the nearby Universe, star formation (SF) occurs mainly in the molecular components of the interstellar medium (ISM), where molecular gas is found in the form of clouds, in particular giant molecular clouds (GMCs). Although GMCs have been studied in our Galaxy, our location limits the perspective due to line-of-sight effects. The use of advanced instruments such as ALMA allows us to overcome these limitations, extending the study to nearby galaxies and allowing the precise identification of GMCs. In this work, we studied the barred spiral galaxy NGC 3627, analyzing SF processes on giant molecular clouds (GMCs) in the different galactic regions (bar, bar ends, core, disk, spiral arms, intra-arm). We used ALMA observations of the CO(1-0) emission line to identify GMCs in different regions, and measure their molecular gas content. From a MUSE Halpha map we estimated the star formation rate (SFR) associated with these structures, to obtain a Kennicutt-Schmidt (KS) law-like relation in the different environments. The KS relation show significant variations between different regions, suggesting that there is a diversity in molecular gas and star formation within the galaxy, linked to the galactic environment.