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Author

V. Iřsič

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Preprint Sep 2026

Lyman-$\alpha$ forest 1D flux power spectrum constraints on QSO-assisted reionization models

Recent JWST observations have revealed a large population of faint Quasi-Stellar Objects (QSOs) at redshifts 4<z<6, including a highly reddened sub-population of Little Red Dots. We exploit the sensitivity of the Lyman-$\alpha$ forest 1D flux power spectrum to thermal fluctuations in the Intergalactic Medium (IGM) to p...

V. Iřsič, A. Meiksin · 0 citations
Preprint Sep 2026

Tide-and-Seek: Anisotropic scale-dependent bias in the Lyman-alpha forest and designer samples

Searches for primordial non-Gaussianity are powerful ways of learning new information about the early Universe. Observing primordial signals in the late Universe is challenging as, in general, it is difficult to disentangle the small, primordial signatures from the complex physics that describes the distribution of gal...

Yong Sheng Yap, W. Coulton, V. Iřsič · 0 citations

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