Results 91 to 100 of about 6,096 (167)

An accretion disk laboratory in the Seyfert 1.9 galaxy NGC 2992 [PDF]

, 2006
Tahir Yaqoob, Kendrah D. Murphy, Yuichi Terashima   +2 more
openalex   +1 more source

A Connection Between TeV Gamma-ray Flux and Cosmic Rays in the Seyfert Galaxy NGC 1068

, 2022
R. Sasse, R.C. Anjos
openalex   +1 more source

Discovery of a very Lyman-α-luminous quasar at z = 6.62. [PDF]

Sci Rep, 2017
Koptelova E, Hwang CY, Yu PC, Chen WP, Guo JK.   +4 more
europepmc   +1 more source

Models of optical emission lines to investigate Narrow-Line Seyfert 1 galaxies in spectroscopic databases [PDF]

, 2018
G. La Mura, D. Bastieri, M. Berton, Sina Chen, S. Ciroi, Enrico Congiu, V. Cracco, J. H. Fan, P. Rafanelli   +8 more
openalex   +1 more source

Little red dots as young supermassive black holes in dense ionized cocoons. [PDF]

Nature
Rusakov V, Watson D, Nikopoulos GP, Brammer G, Gottumukkala R, Harvey T, Heintz KE, Damgaard R, Sim SA, Sneppen A, Vijayan AP, Adams N, Austin D, Conselice CJ, Goolsby CM, Toft S, Witstok J.   +16 more
europepmc   +1 more source

Multiwavelength analysis of the variability of the blazar 3C 273. [PDF]

Mon Not R Astron Soc, 2020
Fernandes S, Patiño-Álvarez VM, Chavushyan V, Schlegel EM, Valdés JR.   +4 more
europepmc   +1 more source

Hot Coronae In Nearby Seyfert Galaxies

, 2016
A. Tortosa, G. Matt
openalex   +2 more sources

Historical light curves for three Seyfert galaxies [PDF]

, 1978
H. R. Miller
openalex   +1 more source

JWST interferometric imaging reveals the dusty torus obscuring the supermassive black hole of Circinus galaxy. [PDF]

Nat Commun
Lopez-Rodriguez E, Sanchez-Bermudez J, González-Martín O, Nikutta R, Lau RM, Thatte D, García-Bernete I, Girard JH, Hankins MJ.   +8 more
europepmc   +1 more source

SiO and CH3OH mega-masers in NGC 1068. [PDF]

Nat Commun, 2014
Wang J, Zhang J, Gao Y, Zhang ZY, Li D, Fang M, Shi Y.   +6 more
europepmc   +1 more source