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pro vyhledávání: '"Lopez, Alexia M"'
Large-scale structure (LSS) studies in cosmology map and analyse matter in the Universe on the largest scales. Understanding the LSS can provide observational support for the Cosmological Principle (CP) and the Standard Cosmological Model ($\Lambda$C
Externí odkaz:
http://arxiv.org/abs/2409.14894
We present the discovery of `A Big Ring on the Sky' (BR), the second ultra-large large-scale structure (uLSS) found in MgII-absorber catalogues, following the previously reported Giant Arc (GA). In cosmological terms the BR is close to the GA - at th
Externí odkaz:
http://arxiv.org/abs/2402.07591
Autor:
Aluri, Pavan Kumar, Cea, Paolo, Chingangbam, Pravabati, Chu, Ming-Chung, Clowes, Roger G., Hutsemékers, Damien, Kochappan, Joby P., Lopez, Alexia M., Liu, Lang, Martens, Niels C. M., Martins, C. J. A. P., Migkas, Konstantinos, Colgáin, Eoin Ó, Pranav, Pratyush, Shamir, Lior, Singal, Ashok K., Sheikh-Jabbari, M. M., Wagner, Jenny, Wang, Shao-Jiang, Wiltshire, David L., Yeung, Shek, Yin, Lu, Zhao, Wen
Publikováno v:
Classical and Quantum Gravity, Vol. 40, Issue No. 9, Page No. 094001 (2023)
The Cosmological Principle (CP) -- the notion that the Universe is spatially isotropic and homogeneous on large scales -- underlies a century of progress in cosmology. It is conventionally formulated through the Friedmann-Lema\^itre-Robertson-Walker
Externí odkaz:
http://arxiv.org/abs/2207.05765
We present the serendipitous discovery of a `Giant Arc on the Sky' at $z \sim 0.8$. The Giant Arc (GA) spans $\sim 1$ Gpc (proper size, present epoch), and appears to be almost symmetrical on the sky. It was discovered via intervening MgII absorbers
Externí odkaz:
http://arxiv.org/abs/2201.06875
Akademický článek
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Publikováno v:
Monthly Notices of the Royal Astronomical Society; Oct2022, Vol. 516 Issue 2, p1557-1572, 16p
