Astronomy and Astrophysics – Astronomy
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.9702o&link_type=abstract
American Astronomical Society Meeting 210, #97.02; Bulletin of the American Astronomical Society, Vol. 39, p.226
Astronomy and Astrophysics
Astronomy
Scientific paper
I present clustering of Lyman alpha emitters (LAEs) at z=3.1-6.6. After I review results from previous surveys such as Subaru, Hawaii, and COSMOS, I introduce our recent results and on-going efforts of clustering analysis for LAEs at z=3.1-6.6 in the contiguous 1 deg2 field of the Subaru/XMM Deep Survey (SXDS) whose survey area corresponds to 150Mpc x 150Mpc in projected comoving scale. Our preliminary results of z=6.6 LAEs give a weak constraint on the neutral fraction of IGM as well as the size of ionized bubbles, which is consistent with recent measurements from the GRB spectrum and luminosity function of LAEs. I show the filamentary large-scale structures made of 401 LAEs at z=5.7 and two concentration of LAEs at z=5.67 and 5.69. The preliminary analysis of angular correlation function indicates that clustering of LAEs is stronger at z=5.7 than z=3-4 by a factor of 2-3 in bias factor for the samples with the same number density. Finally, I discuss the relation between LAE and AGN formation with the distribution of star-forming LAEs and X-ray/radio emitting LAEs at z=3-4.
Ouchi Masami
SXDS
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