English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

The PdBI (Plateau de Bure Interferometer) Arcsecond Whirlpool Survey (PAWS)has mapped the molecular gas in the central ~9kpc of M51 in its 12CO(1-0) lineemission at cloud-scale resolution of ~40pc using both IRAM telescopes. Weutilize this dataset to quantitatively characterize the relation of moleculargas (or CO emission) to other tracers of the interstellar medium (ISM), starformation and stellar populations of varying ages. Using 2-dimensional maps, apolar cross-correlation technique and pixel-by-pixel diagrams, we find: (a)that (as expected) the distribution of the molecular gas can be linked todifferent components of the gravitational potential, (b) evidence for aphysical link between CO line emission and radio continuum that seems not to becaused by massive stars, but rather depend on the gas density, (c) a closespatial relation between the PAH and molecular gas emission, but no predictivepower of PAH emission for the molecular gas mass,(d) that the I-H color map isan excellent predictor of the distribution (and to a lesser degree thebrightness) of CO emission, and (e) that the impact of massive (UV-intense)young star-forming regions on the bulk of the molecular gas in central ~9kpccan not be significant due to a complex spatial relation between molecular gasand star-forming regions that ranges from co-spatial to spatially offset toabsent. The last point, in particular, highlights the importance of galacticenvironment -- and thus the underlying gravitational potential -- for thedistribution of molecular gas and star formation.

The PdBI Arcsecond Whirlpool Survey (PAWS). I. A Cloud-Scale/Multi-Wavelength View of the Interstellar Medium in a Grand-Design Spiral Galaxy