Spectra of Nearby Galaxies Measured with a New Very Broadband Receiver

Details Spectra of Nearby Galaxies Measured with a New Very Broadband Receiver Spectra of Nearby Galaxies Measured with a New Very Broadband Receiver

2008-11-20

arxiv.org/abs/0811.3374v1

IAUSymp.251:251-256,2008

Astronomy and Astrophysics

Astrophysics

published in the Proceedings of the International Astronomical Union (2008), 4. Vol 251, pp 251-256 Cambridge University Press

Scientific paper

10.1017/S1743921308021698

Three-millimeter-wavelength spectra of a number of nearby galaxies have been obtained at the Five College Radio Astronomy Observatory (FCRAO) using a new, very broadband receiver. This instrument, which we call the Redshift Search Receiver, has an instantaneous bandwidth of 36 GHz and operates from 74 to 110.5 GHz. The receiver has been built at UMass/FCRAO to be part of the initial instrumentation for the Large Millimeter Telescope (LMT) and is intended primarily for determination of the redshift of distant, dust-obscured galaxies. It is being tested on the FCRAO 14m by measuring the 3mm spectra of a number of nearby galaxies. There are interesting differences in the chemistry of these galaxies.

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