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Adaptive optics imaging search for damped Ly$\alpha$ absorbers toward APM 08279+5255

Published online by Cambridge University Press:  06 October 2005

Yosuke Minowa ,
Naoto Kobayashi ,
Takuji Tsujimoto ,
Naruhisa Takato  and
Masanori Iye
Yosuke Minowa
Affiliation:
Institute of Astronomy, University of Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan. email: minoways@ioa.s.u-tokyo.ac.jp
Naoto Kobayashi
Affiliation:
Institute of Astronomy, University of Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan. email: minoways@ioa.s.u-tokyo.ac.jp
Takuji Tsujimoto
Affiliation:
National astronomical observatory Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan.
Naruhisa Takato
Affiliation:
Subaru Telescope, 650 North A'ohoku Place, Hilo, HI 96720, USA.
Masanori Iye
Affiliation:
National astronomical observatory Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan.
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Abstract

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We present initial results from an high-resolution imaging search for damped Ly$\alpha$ absorbers toward the high-redshift quasar APM 08279+5255 by using the Adaptive Optics system (AO) attached to the Subaru telescope. We detected in total 11 objects within a $23''\times23''$ field around the quasar. Among these detected objects, we identified a possible candidate for the galaxy giving rise to the damped Ly$\alpha$ absorption at z$_{abs}$=2.974 with a criteria of distance from the sight-line toward the quasar and luminosity.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Colloquium C199: Probing Galaxies through Quasar Absorption Lines , March 2005 , pp. 448 - 450
Copyright
© 2005 International Astronomical Union