Results 101 to 110 of about 20,438 (217)

Exploring the Spectral Energy Distributions of Luminous Broad Absorption Line Quasars at High Redshift

open access: yesThe Astrophysical Journal
We present the multiwavelength spectral energy distributions (SEDs) for 65 luminous broad absorption line (BAL) quasars with redshifts 1.55 ≲  z  ≲ 3.50 from the Gemini Near Infrared Spectrograph–Distant Quasar Survey (GNIRS-DQS).
Harum Ahmed   +6 more
doaj   +1 more source

Quasar Clustering [PDF]

open access: yesSymposium - International Astronomical Union, 1987
If quasars are distributed cosmologically according to their red-shifts, then it is expected that their distribution on the sky will be very close to random, because it is in that case an average over an enormous range in distance. Most studies find no significant clustering.
openaire   +1 more source

UEG Week 2025 Oral Presentations

open access: yes
United European Gastroenterology Journal, Volume 13, Issue S8, Page S7-S188, October 2025.
wiley   +1 more source

VaDAR: Varstrometry for Dual AGN Using Radio Interferometry

open access: yesThe Astrophysical Journal
Binary and dual active galactic nuclei (AGNs) are an important observational tool for studying the formation and dynamical evolution of galaxies and supermassive black holes.
Emma Schwartzman   +7 more
doaj   +1 more source

UEG Week 2025 Moderated Posters

open access: yes
United European Gastroenterology Journal, Volume 13, Issue S8, Page S189-S802, October 2025.
wiley   +1 more source

A Surprising Excess of Radio Emission in Extremely Stable Quasars: A Unique Clue to Jet Launching?

open access: yesThe Astrophysical Journal
Quasars are generally divided into jetted radio-loud and nonjetted radio-quiet ones, but why only 10% of quasars are radio-loud has been puzzling for decades.
Wen-Yong Kang   +8 more
doaj   +1 more source

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