Results 1 to 10 of about 512 (214)

Quasar Double Helix

Science, 2001
openaire   +1 more source

A year of the double quasar

Nature, 1980
openaire   +1 more source

A Catalog of Candidate Double and Lensed Quasars from Gaia and WISE Data

Astrophysical Journal, Supplement Series, 2023
Valeri V Makarov, Nathan J Secrest
exaly  

Varstrometry for Off-nucleus and Dual Subkiloparsec AGN (VODKA): Hubble Space Telescope Discovers Double Quasars

Astrophysical Journal, 2022
Yu-Ching Chen, Hsiang-Chih Hwang, Yue Shen   +2 more
exaly  

Double-Lobed Radio Quasars from the Sloan Digital Sky Survey

Astronomical Journal, 2006
W H De Vries, R H Becker
exaly  

Unified Models for Active Galactic Nuclei and Quasars

Annual Review of Astronomy and Astrophysics, 1993
Robert Antonucci
exaly  

The prevalence of Fanaroff-Riley type I radio quasars

Monthly Notices of the Royal Astronomical Society, 2007
I Heywood, Katherine M Blundell, Steve Rawlings   +2 more
exaly  

High velocity outflows in narrow absorption line quasars

New Astronomy Reviews, 2009
G Chartas, M Giustini, F Hamann
exaly  

Constraining Ω0with the Angular Size–Redshift Relation of Double‐lobed Quasars in the FIRST Survey

Astrophysical Journal, 1998
David J Helfand, Robert H Becker, Richard L White   +2 more
exaly  

X-ray spectra of a large sample of quasars with ASCA

Monthly Notices of the Royal Astronomical Society, 2000
J N Reeves, M J L Turner, Reeves J N
exaly