What is a Spectrum?
Adam S. Bolton (1), Stephen Bailey (2), Joel Brownstein (1), Parul, Pandey (1), David Schlegel (2), Yiping Shu (1) ((1) Department of Physics and, Astronomy, The University of Utah, (2) Physics Division, Lawrence Berkeley, National Lab)
TL;DR
This paper discusses the spectro-perfectionism algorithm used in SDSS-III's BOSS survey, highlighting its ability for optimal sky subtraction and lossless data compression of spectra from raw CCD data.
Contribution
It details the implementation of the spectro-perfectionism algorithm within BOSS, emphasizing its potential for improved sky subtraction and data compression.
Findings
Achieves Poisson-limited sky subtraction
Enables lossless compression of spectral likelihoods
Improves spectral data quality in SDSS-III
Abstract
This contribution describes the "spectro-perfectionism" algorithm of Bolton & Schlegel (2010, PASP, 122, 248) that is being implemented within the Baryon Oscillation Spectroscopic Survey (BOSS) of the Sloan Digital Sky Survey III (SDSS-III), in terms of its potential to deliver Poisson-limited sky subtraction and lossless compression of the input spectrum likelihood functional given raw CCD data.
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Taxonomy
TopicsAstronomy and Astrophysical Research · Galaxies: Formation, Evolution, Phenomena · Cosmology and Gravitation Theories