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Study on the environment around QSOs with redshift of 1–3 using the JVO System

Published online by Cambridge University Press:  01 August 2006

Yuji Shirasaki ,
Masahiro Tanaka ,
Satoshi Honda ,
Satoshi Kawanomoto ,
Yoshihiko Mizumoto ,
Masatoshi Ohishi ,
Naoki Yasuda ,
Yoshifumi Masunaga ,
Yasuhide Ishihara  and
Jumpei Tsutsumi
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Yuji Shirasaki
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka Tokyo, 181-8588Japan
Masahiro Tanaka
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka Tokyo, 181-8588Japan
Satoshi Honda
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka Tokyo, 181-8588Japan
Satoshi Kawanomoto
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka Tokyo, 181-8588Japan
Yoshihiko Mizumoto
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka Tokyo, 181-8588Japan
Masatoshi Ohishi
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka Tokyo, 181-8588Japan
Naoki Yasuda
Affiliation:
University of Tokyo, 5-1-5 Kashiwa-no-Ha, Kashiwa Chiba 277-8582, Japan
Yoshifumi Masunaga
Affiliation:
Ochanomizu Univerisity, 2-1-1 Otsuka Bunkyo-ku, Tokyo 112-8610, Japan
Yasuhide Ishihara
Affiliation:
Fujitsu Ltd., 4-1-1 Kamikodanaka Nakahara-ku, Kawasaki 211-8588, Japan
Jumpei Tsutsumi
Affiliation:
Fujitsu Ltd., 4-1-1 Kamikodanaka Nakahara-ku, Kawasaki 211-8588, Japan
Hiroyuki Nakamoto
Affiliation:
Systems Engineering Consultants Co. Ltd., 22-4 Sakuraoka-cho Shibuya-ku, Tokyo 150-0031, Japan
Yuusuke Kobayashi
Affiliation:
Systems Engineering Consultants Co. Ltd., 22-4 Sakuraoka-cho Shibuya-ku, Tokyo 150-0031, Japan
Michito Sakamoto
Affiliation:
Systems Engineering Consultants Co. Ltd., 22-4 Sakuraoka-cho Shibuya-ku, Tokyo 150-0031, Japan
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Virtual Observatory (VO) is an emerging astronomical infrastructure for sharing the astronomical data set in the world. National Astronomical Observatory of Japan (NAOJ) started its VO project (Japanese Virtual Observatory – JVO) in 2002, and developed JVO portal prototypes. We have carried out several science use cases, such as cosmic string searches and QSO environment studies, by using the prototype system to examine the functionality of the system. This paper describes a preliminary result of the latter science use case.