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From Z-Machines to ALMA: (Sub)millimeter Spectroscopy of Galaxies ASP Conference Series, Vol. TBD, 2006
 

Summary: From Z-Machines to ALMA: (Sub)millimeter Spectroscopy of Galaxies
ASP Conference Series, Vol. TBD, 2006
A. J. Baker, J. Glenn, A. I. Harris, J. G. Mangum, and M. S. Yun, eds.
Redshift Determination Algorithms for Broadband
Spectroscopic Data
Min S. Yun1, Mark Heyer1, Itziar Aretxaga2
(1) University of Massachusetts and FCRAO; (2)INAOE
Abstract. The LMT Redshift Search Receiver is a powerful new instrument
to investigate the population of submillimeter galaxies and the star formation
history of the universe. With large instantaneous bandwidth and high spectral
resolution, it can measure a multitude of redshifted molecular and atomic sub-
millimeter lines to provide a millimeter counterpart to low resolution, UV and
optical spectra. The use of the redshift receiver system on the 50 meter aperture
of the LMT enables an unbiased survey of a large sample of SMGs to determine
redshifts and an accounting of the physical state of the cold ISM in these distant
galaxies. In this contribution, we describe a cross-correlation redshift analysis
algorithm to exploit the spectral information generated by the Redshift Search
Receiver. The effects of signal to noise, source confusion and the use of priors
such as photometric redshifts are also explored.
1. Introduction

  

Source: Aretxaga, Itziar - Instituto Nacional de Astrofísica Óptica y Electrónica

 

Collections: Physics