Results 181 to 190 of about 78,490 (277)

Study on the multi-wavelength variation of 3C 454.3. [PDF]

Sci Rep
Chen X, Hu S, Jiang Y, Xu J, Huang S, Zhou R, Yin H, Guo D, Li Y, Li H.   +9 more
europepmc   +1 more source

Active galactic nuclei. 5: X-ray variability and the black hole cluster paradigm

, 1994
A. G. Pacholczyk, W. R. Stoeger
openalex   +1 more source

[ITAL]HUBBLE SPACE TELESCOPE[/ITAL][ITAL]Hubble Space Telescope[/ITAL] Observations of the C[CLC]f[/CLC]A Seyfert 2 Galaxies: The Fueling of Active Galactic Nuclei [PDF]

, 1999
Paul Martini, Richard W. Pogge
openalex   +1 more source

The Ellis-Baldwin test. [PDF]

Philos Trans A Math Phys Eng Sci
Secrest NJ.
europepmc   +1 more source

Gravitational lensing of active galactic nuclei. [PDF]

Proc Natl Acad Sci U S A, 1995
Hewitt JN.
europepmc   +1 more source

Reverberation Mapping and the Physics of Active Galactic Nuclei [PDF]

, 1997
H. Netzer, B. M. Peterson
openalex   +1 more source

Modulational instability and associated multiple dark solitons in relativistically degenerate electron-positron-ion plasmas. [PDF]

Sci Rep
Jahangir R, Masood W, Siddiq M, Batool N, Ullah S, Al-Ghamdi H, Tiofack CGL, El-Tantawy SA.   +7 more
europepmc   +1 more source

Modeling Variable Emission Lines in Active Galactic Nuclei: Method and Application to NGC 5548 [PDF]

, 1999
S. Kaspi, H. Netzer
openalex   +1 more source

Witnessing the onset of reionization through Lyman-α emission at redshift 13. [PDF]

Nature
Witstok J, Jakobsen P, Maiolino R, Helton JM, Johnson BD, Robertson BE, Tacchella S, Cameron AJ, Smit R, Bunker AJ, Saxena A, Sun F, Alberts S, Arribas S, Baker WM, Bhatawdekar R, Boyett K, Cargile PA, Carniani S, Charlot S, Chevallard J, Curti M, Curtis-Lake E, D'Eugenio F, Eisenstein DJ, Hainline KN, Jones GC, Kumari N, Maseda MV, Pérez-González PG, Rinaldi P, Scholtz J, Übler H, Williams CC, Willmer CNA, Willott C, Zhu Y.   +36 more
europepmc   +1 more source

Probing active galactic nuclei with H2O megamasers. [PDF]

Proc Natl Acad Sci U S A, 1995
Moran J, Greenhill L, Herrnstein J, Diamond P, Miyoshi M, Nakai N, Inque M.   +6 more
europepmc   +1 more source