NIR High Resolution Spectroscopy of High-z QSO Absorption Systems with Subaru IRCS

Details NIR High Resolution Spectroscopy of High-z QSO Absorption Systems with Subaru IRCS NIR High Resolution Spectroscopy of High-z QSO Absorption Systems with Subaru IRCS

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003assl..281..249k&link_type=abstract

The IGM/Galaxy Connection: The Distribution of Baryons at z=0, ASSL Conference Proceedings Vol. 281. Edited by Jessica L. Rosenb

Physics

1

Scientific paper

We are conducting a near-infrared (1.0-1.35 μ m) high resolution spectroscopic survey of high-z QSOs to study the MgII 2796,2803 and FeII 2587, 2600 absorption lines of high-z Lyman-alpha clouds. We are using a facility infrared imager and spectrograph, IRCS, for the Japanese Subaru 8 m telescope atop Mauna Kea. This instrument has an echelle spectroscopy mode with a maximum resolving power of R=20,000 (dv = 15 km/s) which enabled the first detailed study of the Mg II and Fe II absorption lines at high-redshift. We will show several preliminary results from our recent observations.

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