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astro-ph.HE2024
The Remarkable X-ray Spectra and Variability of the Ultraluminous Weak-Line Quasar SDSS J1521+5202
Shouyi Wang, W. Niel Brandt, Bin Luo +4
We present a focused X-ray and multiwavelength study of the ultraluminous weak-line quasar (WLQ) SDSS J1521+5202, one of the few X-ray weak WLQs that is amenable to basic X-ray spe…
astro-ph.GA2024★ 17 cited
Fast SMBH growth in the SPT2349--56 protocluster at
Fabio Vito, William N. Brandt, Andrea Comastri +7
Protoclusters at are gas-rich regions characterized by high star-formation activity. The same physical properties that enhance star formation in protoclusters are also though…
astro-ph.CO2024★ 3 cited
The XMM-SERVS X-ray eXtended Galaxy Cluster (XVXGC) catalog
Weiwei Xu, Linhua Jiang, Ran Li +4
To explain the well-known tension between cosmological parameter constraints obtained from the primary CMB and those drawn from galaxy cluster samples, we propose a possible explan…