Results 101 to 110 of about 200 (175)

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

More Seyfert galaxies [PDF]

Monthly Notices of the Royal Astronomical Society, 1978
openaire   +1 more source

The nature of active galaxies

, 1999
Many details of the structure of Active Galactic Nuclei (AGN) galaxies continue to elude researchers in the field. To shed light on some of the enigmas related to the fueling and classification of AGN, I have studied the core structure of a sample of ...
Chapman, Scott Christopher
core  

A tidal disruption event from an intermediate-mass black hole revealed by comprehensive multi-wavelength observations. [PDF]

Nat Commun
Wang J, Huang M, Xue Y, Jiang N, Huang S, Wang Y, Zhu J, Zhu S, Dai L, Jin C, Luo B, Shu X, Sun M, Wang T, Zou F.   +14 more
europepmc   +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

An atlas of Seyfert galaxies

The Astrophysical Journal, 1974
E. Y. Khachikian, D. W. Weedman
openaire   +1 more source

THE RADIO-EMISSION FROM FAR-INFRARED GALAXIES - SEYFERT OR STARBURST

, 1988
ALLEN, D, NORRIS, R, ROCHE, P
core   +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

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