Dr Yuxiang Qin

Thermal and reionization history within a large-volume semi-analytic galaxy formation simulation

Sreedhar Balu, Bradley Greig, Yisheng Qiu, Chris Power, Yuxiang Qin, Simon Mutch, J Stuart B Wyithe

Journal article  |  2023  |  Monthly Notices of the Royal Astronomical Society

ABSTRACT We predict the 21-cm global signal and power spectra during the Epoch of Reionization using the meraxes se..

The prevalence of galaxy overdensities around UV-luminous Lyman 𝛼� emitters in the Epoch of Reionization

E Leonova, PA Oesch, Y Qin, RP Naidu, JSB Wyithe, S de Barros, RJ Bouwens, RS Ellis, RM Endsley, A Hutter, GD Illingworth, J Kerutt, I Labbe, N Laporte, D Magee, SJ Mutch, GW Roberts-Borsani, R Smit, DP Stark, M Stefanon, et al.

Journal article  |  2022  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

Before the end of the Epoch of Reionization, the Hydrogen in the Universe was predominantly neutral. This leads to a strong attenu..

Hydrogen reionization ends by z=5.3: Lyman-alpha optical depth measured by the XQR-30 sample

Sarah E Bosman, Frederick B Davies, George D Becker, Laura C Keating, Rebecca L Davies, Yongda Zhu, Anna-Christina Eilers, Valentina D'Odorico, Fuyan Bian, Manuela Bischetti, Stefano Cristiani, Xiaohui Fan, Emanuele P Farina, Martin G Haehnelt, Joseph F Hennawi, Girish Kulkarni, Andrei Mesinger, Romain A Meyer, Masafusa Onoue, Andrea Pallottini, et al.

Journal article  |  2022  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

The presence of excess scatter in the Ly-α forest at z ∼5.5, together with the existence of sporadic extended opaque Gunn-Peterson..

Long Dark Gaps in the Ly beta Forest at z < 6: Evidence of Ultra-late Reionization from XQR-30 Spectra

Yongda Zhu, George D Becker, Sarah EI Bosman, Laura C Keating, Valentina D'Odorico, Rebecca L Davies, Holly M Christenson, Eduardo Banados, Fuyan Bian, Manuela Bischetti, Huanqing Chen, Frederick B Davies, Anna-Christina Eilers, Xiaohui Fan, Prakash Gaikwad, Bradley Greig, Martin G Haehnelt, Girish Kulkarni, Samuel Lai, Andrea Pallottini, et al.

Journal article  |  2022  |  ASTROPHYSICAL JOURNAL

We present a new investigation of the intergalactic medium near reionization using dark gaps in the Lyβ forest. With its lower opt..

The 21-cm signal from the cosmic dawn: metallicity dependence of high-mass X-ray binaries

Harman Deep Kaur, Yuxiang Qin, Andrei Mesinger, Andrea Pallottini, Tassos Fragos, Antara Basu-Zych

Journal article  |  2022  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

X-rays from high-mass X-ray binaries (HMXBs) are likely the main source of heating of the intergalactic medium (IGM) during Cosmic..

The impact of the first galaxies on cosmic dawn and reionization

Julian B Munoz, Yuxiang Qin, Andrei Mesinger, Steven G Murray, Bradley Greig, Charlotte Mason

Journal article  |  2022  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

The formation of the first galaxies during cosmic dawn and reionization (at redshifts z = 5-30), triggered the last major phase tr..

Dark-ages reionization and galaxy formation simulation XX. The Ly alpha IGM transmission properties and environment of bright galaxies during the epoch of reionization

Yuxiang Qin, J Stuart B Wyithe, Pascal A Oesch, Garth D Illingworth, Ecaterina Leonova, Simon J Mutch, Rohan P Naidu

Journal article  |  2022  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

The highly neutral intergalactic medium (IGM) during the epoch of reionization (EoR) is expected to suppress Ly α emission with da..

HERA Phase I Limits on the Cosmic 21 cm Signal: Constraints on Astrophysics and Cosmology during the Epoch of Reionization

Zara Abdurashidova, James E Aguirre, Paul Alexander, Zaki S Ali, Yanga Balfour, Rennan Barkana, Adam P Beardsley, Gianni Bernardi, Tashalee S Billings, Judd D Bowman, Richard F Bradley, Philip Bull, Jacob Burba, Steve Carey, Chris L Carilli, Carina Cheng, David R DeBoer, Matt Dexter, Eloy de Lera Acedo, Joshua S Dillon, et al.

Journal article  |  2022  |  ASTROPHYSICAL JOURNAL

Recently, the Hydrogen Epoch of Reionization Array (HERA) has produced the experiment's first upper limits on the power spectrum o..

Chasing the Tail of Cosmic Reionization with Dark Gap Statistics in the Ly alpha Forest over 5 < z < 6

Yongda Zhu, George D Becker, Sarah E Bosman, Laura C Keating, Holly M Christenson, Eduardo Banados, Fuyan Bian, Frederick B Davies, Valentina D'Odorico, Anna-Christina Eilers, Xiaohui Fan, Martin G Haehnelt, Girish Kulkarni, Andrea Pallottini, Yuxiang Qin, Feige Wang, Jinyi Yang

Journal article  |  2021  |  ASTROPHYSICAL JOURNAL

We present a new investigation of the intergalactic medium (IGM) near the end of reionization using “dark gaps” in the Lyα forest...

Reionization and galaxy inference from the high-redshift Ly alpha forest

Yuxiang Qin, Andrei Mesinger, Sarah E Bosman, Matteo Viel

Journal article  |  2021  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

The transmission of Lyman α (Ly α) in the spectra of distant quasars depends on the density, temperature, and ionization state of ..