Measuring the photo-ionization rate, neutral fraction and mean free path of HI ionizing photons at $4.9 \leq z \leq 6.0$ from a large sample of XShooter and ESI spectra

Prakash Gaikwad,Martin G. Haehnelt,Frederick B. Davies,Sarah E. I. Bosman,Margherita Molaro,Girish Kulkarni,Valentina D'Odorico,George D. Becker,Rebecca L. Davies,Fahad Nasir,James S. Bolton,Laura C. Keating,Vid Iršič,Ewald Puchwein,Yongda Zhu,Shikhar Asthana,Jinyi Yang,Samuel Lai,Anna-Christina Eilers

arXiv (Cornell University)（2023）

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摘要

We measure the mean free path ($\lambda_{\rm mfp,HI}$), photo-ionization rate ($\langle \Gamma_{\rm HI} \rangle$) and neutral fraction ($\langle f_{\rm HI} \rangle$) of hydrogen in 12 redshift bins at $4.85更多

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关键词

ionizing photons,spectra,xshooter,photo-ionization

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