Results 241 to 250 of about 160,296 (274)

A catapult model for the narrow-line region in Seyferts and radio galaxies

, 1984
M. D. Smith
openalex   +1 more source

A case for a binary black hole system revealed via quasi-periodic outflows. [PDF]

Sci Adv
Pasham DR, Tombesi F, Suková P, Zajaček M, Rakshit S, Coughlin E, Kosec P, Karas V, Masterson M, Mummery A, Holoien TW, Guolo M, Hinkle J, Ripperda B, Witzany V, Shappee B, Kara E, Horesh A, van Velzen S, Sfaradi I, Kaplan D, Burger N, Murphy T, Remillard R, Steiner JF, Wevers T, Arcodia R, Buchner J, Merloni A, Malyali A, Fabian A, Fausnaugh M, Daylan T, Altamirano D, Payne A, Ferraraa EC.   +35 more
europepmc   +1 more source

The case for unification. [PDF]

Proc Natl Acad Sci U S A, 1995
Gopal-Krishna.
europepmc   +1 more source

Observational model of the ionized gas in Seyfert and radio-galaxy nuclei. [PDF]

Proc Natl Acad Sci U S A, 1978
Osterbrock DE.
europepmc   +1 more source

Difficulties with unification. [PDF]

Proc Natl Acad Sci U S A, 1995
Singal AK.
europepmc   +1 more source

The nuclear region of the spiral galaxy M81. [PDF]

Proc Natl Acad Sci U S A, 1995
Bartel N, Bietenholz MF, Rupen MP.
europepmc   +1 more source

Above the Noise: The Search for Periodicities in the Inner Heliosphere. [PDF]

Sol Phys, 2017
Threlfall J, De Moortel I, Conlon T.
europepmc   +1 more source

Dust evolution, a global view: III. Core/mantle grains, organic nano-globules, comets and surface chemistry. [PDF]

R Soc Open Sci, 2016
Jones AP.
europepmc   +1 more source

A binary merger product as the direct progenitor of a Type II-P supernova

Niu* Z, Sun* N, Zapartas* E, Souropanis D, Cui Y, Maund JR, Andrews JJ, Briel MM, Fraser M, Gossage S, Kruckow MU, Liotine C, Liu Z, Srivas PM, Teng E, Wang X, Yang Y, Liu J.   +17 more
europepmc   +1 more source

Outstanding problems and instrumental prospects for the coming decade (A Review). [PDF]

Proc Natl Acad Sci U S A, 1977
Ostriker JP.
europepmc   +1 more source