AAS 205th Meeting, 9-13 January 2005
Session 145 Intergalactic Media
Poster, Thursday, January 13, 2005, 9:20am-4:00pm, Exhibit Hall

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[145.05] Variation of the Ly alpha Forest on Large Scales

N. Suzuki, D. Tytler, D. Kirkman, J. Jena, M. Norman (UCSD)

We show that our flux calibration technique enables us to perform a precise measurement of the flux decrement in the Ly alpha forest in the redshift range 2-4. We found that metal lines, Ly Limit and DLA systems contribute a significant variance to the flux decrement. We discuss cosmological parameters we obtained from the comparison of our measurements with numerical simulations.

The author(s) of this abstract have provided an email address for comments about the abstract: suzuki@genesis.ucsd.edu

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© 2004. The American Astronomical Society.