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On the size of H II regions around high-redshift quasars

Published online by Cambridge University Press:  01 August 2006

Antonella Maselli
Affiliation:
Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Straβe 1, D-85748 Garching, Germany
Simona Gallerani
Affiliation:
ISSA/International School for Advanced Studies, via Beirut 2-4, I-34014 Trieste, Italy
Andrea Ferrara
Affiliation:
ISSA/International School for Advanced Studies, via Beirut 2-4, I-34014 Trieste, Italy
T. Roy Choudhury
Affiliation:
Centre for Theoretical Studies, Indian Institute of Technology, Kharagpur 721302, India
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Abstract

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We investigate the possibility of constraining the ionization state of the Intergalactic Medium (IGM) close to the end of re-ionization (z≈6) by measuring the size of the H II regions in high-z quasars spectra, via a combination of SPH and 3D radiative transfer (RT) simulations and a statistical analysis of mock quasar spectra through the simulated cosmological volume.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2007

References

Fan, X., Carilli, C. L., & Keating, B. 2006, ARA&A, 44, 415Google Scholar
Maselli, A., Gallerani, S., Ferrara, A., & Choudhury, T. R. 2007, MNRAS (Letters), 376, 34CrossRefGoogle Scholar
Wyithe, J. S. B., & Loeb, A. 2004, Nature, 427, 815CrossRefGoogle Scholar