ALMA Imaging Simulations of Nearby and Distant Colliding Galaxies

Details ALMA Imaging Simulations of Nearby and Distant Colliding Galaxies ALMA Imaging Simulations of Nearby and Distant Colliding Galaxies

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..375..242i&link_type=abstract

From Z-Machines to ALMA: (Sub)Millimeter Spectroscopy of Galaxies ASP Conference Series, Vol. 375, proceedings of the conference

Astronomy and Astrophysics

Astronomy

Scientific paper

We present preliminary ALMA (12 m array + ACA) imaging simulations of nearby (D = 300 Mpc) and distant (z = 3) colliding galaxy systems. It is found that the addition of the ACA will significantly improve the image quality for nearby systems, but the expected improvements in image quality from adding the ACA for high-z observations are limited for this particular model observed at 345 GHz. Improvements are, however, seen when the target source is more extended than the model used here, or when higher frequency bands are used. These imaging simulations are especially important for investigating the characteristics of existing imaging techniques, and for optimizing the pipelining of ALMA data.

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