Dynamics of High Redshift Galaxies Using Laser Guide Star Adaptive Optics and Integral Field Spectroscopy

Details Dynamics of High Redshift Galaxies Using Laser Guide Star Adaptive Optics and Integral Field Spectroscopy Dynamics of High Redshift Galaxies Using Laser Guide Star Adaptive Optics and Integral Field Spectroscopy

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..396..433w&link_type=abstract

Formation and Evolution of Galaxy Disks ASP Conference Series, Vol. 396, Proceedings of the conference held 1-5 October, 2007 at

Physics

Optics

Scientific paper

We present spatially resolved (0.1 arcsec) spectra of Hα emission from high-redshift (z˜1.5) star forming galaxies. These observations were obtained at Keck Observatory using the integral field spectrograph OSIRIS and the laser guide star adaptive optics (LGS AO) system. OSIRIS coupled with LGS-AO is able to achieve a full two-dimensional mapping of Hα morphology and dynamics of galaxies at sub-kpc scales. This study is aimed at identifying and analyzing rotationally supported objects in the early universe at a look back time (˜9.3 Gyr), close to the estimated age of the Milky Way disk.

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