Astrometric Imaging of High Redshift Galaxies at 345 GHz

Details Astrometric Imaging of High Redshift Galaxies at 345 GHz Astrometric Imaging of High Redshift Galaxies at 345 GHz

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...207.2206p&link_type=abstract

American Astronomical Society Meeting 207, #22.06; Bulletin of the American Astronomical Society, Vol. 37, p.1193

Astronomy and Astrophysics

Astrophysics

Scientific paper

Recent single-dish submillimeter wavelength surveys have revolutionized observational cosmology by uncovering a substantial new population of dust-enshrouded starburst galaxies at high redshift. A tremendous amount can be learned about the star formation history of the universe by comparing the characteristics of these early sources at a range of wavelengths, from radio to x-ray. Unfortunately, the positions of these sources are not well enough determined in the parent surveys to justify devoting large amounts of time using higher resolution instruments without first performing high precision astrometry. The Submillimeter Array on Mauna Kea is now the ideal instrument for this, as it can observe at the same frequency as the original survey, but with substantially better angular resolution. We present images of the distant galaxies detected to date using the Submillimeter Array at 345 GHz.
The Submillimeter Array is a joint project between the Smithsonian Astrophysical Observatory and the Academia Sinica Institute of Astronomy and Astrophysics, and is funded by the Smithsonian Institution and the Academia Sinica.

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