Cosmic Reionization on Computers: Properties of the Post-reionization IGM

被引：35
|
作者：
Gnedin, Nickolay Y. [1 ,2 ,3 ]
Becker, George D. [4 ]
Fan, Xiaohui [5 ]
机构：
[1] Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, POB 500, Batavia, IL 60510 USA
[2] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA
[3] Univ Chicago, Dept Astron & Astrophys, 5640 S Ellis Ave, Chicago, IL 60637 USA
[4] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA
[5] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA
来源：
ASTROPHYSICAL JOURNAL | 2017年 / 841卷 / 01期
基金：
美国国家科学基金会; 美国能源部;
关键词：
cosmology: theory; intergalactic medium; large-scale structure of universe; methods: numerical; LYMAN BREAK GALAXIES; SIMILAR-TO; 6; INTERGALACTIC MEDIUM; APPROACHING REIONIZATION; NEUTRAL HYDROGEN; ALPHA EMISSION; BIG-BANG; REDSHIFT; ABSORPTION; EVOLUTION;
D O I：
10.3847/1538-4357/aa6c24
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a comparison between several observational tests of the post-reionization intergalactic medium and the numerical simulations of reionization completed under the Cosmic Reionization On Computers (CROC) project. The CROC simulations match the gap distribution reasonably well, and also provide a good match for the distribution of peak heights, but there is a notable lack of wide peaks in the simulated spectra and the flux-probability distribution functions are poorly matched in the narrow redshift interval 5.5 < z < 5.7, with the match at other redshifts being significantly better, albeit not exact. Both discrepancies are related: simulations show more opacity than the data.
引用
收藏
页数：7
相关论文
共 50 条
  • [21] Combined lensed estimator to probe the post-reionization H I power spectrum
    Arora, Urvashi
    Dutta, Prasun
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2021, 507 (04) : 5310 - 5319
  • [22] GMRT observation towards detecting the post-reionization 21-cm signal
    Ghosh, Abhik
    Bharadwaj, Somnath
    Ali, Sk Saiyad
    Chengalur, Jayaram N.
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2011, 411 (04) : 2426 - 2438
  • [23] The infancy of cosmic reionization
    Barkana, Rennan
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2008, 391 (02) : 727 - 737
  • [24] H i as a probe of the large-scale structure in the post-reionization universe
    Bagla, J. S.
    Khandai, Nishikanta
    Datta, Kanan K.
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2010, 407 (01) : 567 - 580
  • [25] Estimation of cosmological parameters from neutral hydrogen observations of the post-reionization epoch
    Bharadwaj, Somnath
    Sethi, Shiv K.
    Saini, Tarun Deep
    PHYSICAL REVIEW D, 2009, 79 (08):
  • [26] Modelling the post-reionization neutral hydrogen (HI) 21-cm bispectrum
    Sarkar, Debanjan
    Majumdar, Suman
    Bharadwaj, Somnath
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2019, 490 (02) : 2880 - 2889
  • [27] Cosmic Reionization on Computers: The Evolution of the Ionizing Background and Mean Free Path
    Fan, Jiawen
    Chen, Huanqing
    Avestruz, Camille
    Khadir, Affan
    ASTROPHYSICAL JOURNAL, 2025, 979 (02):
  • [28] Simulating Cosmic Reionization and the Radiation Backgrounds from the Epoch of Reionization
    Shapiro, Paul R.
    Iliev, Ilian T.
    Mellema, G.
    Ahn, Kyungjin
    Mao Yi
    Friedrich, Martina
    Datta, Kanan
    Park, Hyunbae
    Komatsu, Eiichiro
    Fernandez, Elizabeth
    Koda, Jun
    Bovill, Mia
    Pen Ue-Li
    FIRST STARS IV - FROM HAYASHI TO THE FUTURE, 2012, 1480 : 248 - 260
  • [29] COSMIC REIONIZATION ON COMPUTERS. I. DESIGN AND CALIBRATION OF SIMULATIONS
    Gnedin, Nickolay Y.
    ASTROPHYSICAL JOURNAL, 2014, 793 (01):
  • [30] Cosmic Reionization on Computers: Statistics, Physical Properties, and Environments of Lyman Limit Systems at z ∼ 6
    Fan, Jiawen
    Zhu, Hanjue
    Avestruz, Camille
    Gnedin, Nickolay Y.
    ASTROPHYSICAL JOURNAL, 2024, 963 (01):
12345