Neutral Hydrogen Observations of the Lyman Alpha Reference Sample

Details Neutral Hydrogen Observations of the Lyman Alpha Reference Sample Neutral Hydrogen Observations of the Lyman Alpha Reference Sample

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21924405p&link_type=abstract

American Astronomical Society, AAS Meeting #219, #244.05

Astronomy and Astrophysics

Astronomy

Scientific paper

We present new HI spectra of 14 systems in the Lyman Alpha Reference Survey (LARS) obtained with the 100m Green Bank Telescope (GBT). LARS is a detailed study of the processes governing the production, propagation, and escape of Lyman Alpha photons in 14 UV-selected star-forming galaxies. The new GBT spectra robustly detect the HI spectral line in 7 of the 14 observed LARS galaxies; the remaining 7 are either confused or non-detections at our current sensitivity limits ( 6.6x109 Solar masses at a characteristic distance of 237 Mpc). The GBT profiles, combined with SDSS imaging, are used to examine various global properties of the detected LARS galaxies.

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