BR1202-0725 System: A Forming Galaxy at z = 4.7?

Details BR1202-0725 System: A Forming Galaxy at z = 4.7? BR1202-0725 System: A Forming Galaxy at z = 4.7?

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sgyu.conf...69o&link_type=abstract

Studies of Galaxies in the Young Universe with New Generation Telescope, Proceedings of Japan-German Seminar, held in Sendai, Ja

Physics

Scientific paper

BR1202-0725 is a radio quiet quasar at z=4.7. The quasar has an optical companion which seems to be a star forming galaxy. Huge amount of molecular gas was also detected toward the quasar and the gas distribution shows a double peak structure. Thus the system is considered to be under an intense starburst phase and also may be in a dynamically assembling phase. I will present our recent observational results for this system; a narrow band imaging for [OII]3727 emission with Subaru, CO (2-1) and radio continuum imaging with VLA, and CO(7-6) and CI observations with Nobeyama Millimeter Array. I would like to discuss physical conditions of this system as well as a possibility of the gravitational lensing.

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