Windhorst, RA and Hathi, NP and Cohen, SH and Jansen, RA and Kawata, D and Driver, SP and Gibson, B (2008) High resolution science with high redshift galaxies. ADV SPACE RES , 41 (12) 1965 - 1971. 10.1016/j.asr.2007.07.005.
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We summarize the high-resolution science that has been done on high redshift galaxies with Adaptive Optics (AO) on the world's largest ground-based facilities and with the Hubble Space Telescope (HST). These facilities complement each other. Ground-based AO provides better light gathering power and in principle better resolution than HST, giving it the edge in high spatial resolution imaging and high resolution spectroscopy. HST produces higher quality, more stable PSF's over larger field-of-views in a much darker sky-background than ground-based AO, and yields deeper wide-field images and low-resolution spectra than the ground. Faint galaxies have steadily decreasing sizes at fainter fluxes and higher redshifts, reflecting the hierarchical formation of galaxies over cosmic time. HST has imaged this process in great structural detail to z <= 6, and ground-based AO and spectroscopy has provided measurements of their masses and other physical properties with cosmic time. Last, we review how the 6.5 m James Webb Space Telescope (JWST) will measure First Light, reionization, and galaxy assembly in the near-mid-IR after 2013. (C) 2007 COSPAR. Published by Elsevier Ltd. All rights reserved.
|Title:||High resolution science with high redshift galaxies|
|Keywords:||high resolution imaging, distant galaxies, galaxy assembly, reionization, First Light, James Webb Space Telescope, ULTRA DEEP FIELD, PROBE WMAP OBSERVATIONS, SPACE-TELESCOPE, ADAPTIVE OPTICS, FAINT GALAXIES, STAR-FORMATION, MORPHOLOGICAL EVOLUTION, LUMINOSITY DENSITY, DISTANT GALAXIES, KECK|
|UCL classification:||UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Space and Climate Physics|
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