Science with the Low Frequency Bands on ALMA: CMBR, SZE and gravitational lensing applications

Details Science with the Low Frequency Bands on ALMA: CMBR, SZE and gravitational lensing applications Science with the Low Frequency Bands on ALMA: CMBR, SZE and gravitational lensing applications

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999alma.confe..43m&link_type=abstract

Science with the Atacama Large Millimeter Array (ALMA), Associated Universities, Inc., held October 6-8, 1999 at Carnegie Instit

Mathematics

Logic

Receivers, Ka, Q, Cosmic, Microwave, Background, Radiation, Anistropy, Gravitational Lense, Galaxies, Galaxy Formation

Scientific paper

The ALMA receiver suite includes provisions for covering the Ka and Q bands from 30 - 45.5 GHz. This contribution summarizes some of the scientific drivers for this capability, in particular observations of the Cosmic Microwave Background Radiation anisotropy, gravitational lensing by massive galaxies, and studies of thermal, non-thermal, molecular line, and maser emission from galaxies at cosmological redshifts. In addition to its unique capabilities at millimeter and submillimeter wavelengths, ALMA will also be a superb instrument at the smallest centimeter wavelengths. ALMA will complement the VLA with its substantial collecting area (0.55 VLA in raw area, comparable when considering aperture efficiency) and a full view of the Southern Sky. We use examples from current CMB, SZE, gravitational lensing, and other extragalactic observations along with theoretical models of large scale structure evolution and galaxy formation to extrapolate the capabilities of ALMA for these programs.

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