Results 181 to 190 of about 77,605 (280)

[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

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

Gravitational lensing of active galactic nuclei. [PDF]

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

Relativistic enhancement of the Compton-reflected component in active galactic nuclei

, 1991
R. D. Rogers
openalex   +1 more source

High-temperature ²⁰⁵Tl decay clarifies ²⁰⁵Pb dating in early Solar System. [PDF]

Nature
Leckenby G, Sidhu RS, Chen RJ, Mancino R, Szányi B, Bai M, Battino U, Blaum K, Brandau C, Cristallo S, Dickel T, Dillmann I, Dmytriiev D, Faestermann T, Forstner O, Franczak B, Geissel H, Gernhäuser R, Glorius J, Griffin C, Gumberidze A, Haettner E, Hillenbrand PM, Karakas A, Kaur T, Korten W, Kozhuharov C, Kuzminchuk N, Langanke K, Litvinov S, Litvinov YA, Lugaro M, Martínez-Pinedo G, Menz E, Meyer B, Morgenroth T, Neff T, Nociforo C, Petridis N, Pignatari M, Popp U, Purushothaman S, Reifarth R, Sanjari S, Scheidenberger C, Spillmann U, Steck M, Stöhlker T, Tanaka YK, Trassinelli M, Trotsenko S, Varga L, Vescovi D, Wang M, Weick H, Yagüe Lopéz A, Yamaguchi T, Zhang Y, Zhao J.   +58 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

Extragalactic Science with the Orbiting Astronomical Satellite Investigating Stellar Systems (OASIS) Observatory. [PDF]

Space Sci Rev, 2023
Aalto S, Battersby C, Chin G, Hunt LK, Rigopoulou D, Stark AA, Viti S, Walker CK.   +7 more
europepmc   +1 more source

The luminosity-dependent broad-line region in active galactic nuclei [PDF]

, 1995
P. T. O’Brien, M. R. Goad, P. M. Gondhalekar   +2 more
openalex   +1 more source