The SINFONI Integral Field Spectroscopy Survey for Galaxy Counterparts to Damped Lyman-α Systems

Details The SINFONI Integral Field Spectroscopy Survey for Galaxy Counterparts to Damped Lyman-α Systems The SINFONI Integral Field Spectroscopy Survey for Galaxy Counterparts to Damped Lyman-α Systems

Mar 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011msngr.143...37p&link_type=abstract

The Messenger, vol. 143, p. 37-41

Computer Science

Scientific paper

A complete picture of galaxy formation can only be obtained by detailed study of the processes by which galaxies convert their gas into stars. One approach is to relate the H I gas and the stars in galaxies. Damped and sub-damped Lyman-α systems (DLAs), which are galaxies probed by the absorption they produce in the spectra of background quasars, are purely selected on H I gas, but identifying the galaxy responsible for the absorber with more traditional methods remains challenging. Integral field spectroscopy provides an efficient way of detecting faint galaxies near bright quasars, further providing immediate redshift confirmation. Here, we report on the detection of DLA and sub-DLA systems identified in Hα emission with VLT/SINFONI at near-infrared wavelengths.

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