2 papers
astro-ph.GA2025
The high-redshift radio galaxy 3C 294 at low frequencies: radio detection of the X-ray Ghost
Vijay H. Mahatma, Andrew C. Fabian, Leah K. Morabito
We report on the very first radio detection associated with the peculiar hourglass-morphology X-rays surrounding 3C 294 at z=1.8. Using International Low Frequency Array (LOFAR) da…
astro-ph.HE2025
Narrow-Line Seyfert 1 Galaxies Beyond the Local X-ray Universe: An X-ray spectral sample
Jiachen Jiang, Dominic J. Walton, Luigi C. Gallo +8
Narrow-line Seyfert 1 AGNs (NLS1s) represent a unique stage in the black hole growth history, characterised by low black hole masses of approximately - solar masses…