Results 211 to 220 of about 18,989 (273)

Testing the Blazar Paradigm:ASCAObservations of Flat‐Spectrum Radio Quasars with Steep Soft X‐Ray Spectra [PDF]

, 2000
R. M. Sambruna, Lester L. Chou, C. M. Urry   +2 more
openalex   +1 more source

Quasi-periodic oscillations of GHz-band polarization in a black hole. [PDF]

Nat Commun
Wang W, Chen J, Tian P, Ho LC, Sun X, Wang P, Zhang B, Zheng Z, Chen X, Zhang P, Zhu H, Yang W, Li B.   +12 more
europepmc   +1 more source

A 34.5 day quasi-periodic oscillation in γ-ray emission from the blazar PKS 2247-131. [PDF]

Nat Commun, 2018
Zhou J, Wang Z, Chen L, Wiita PJ, Vadakkumthani J, Morrell N, Zhang P, Zhang J.   +7 more
europepmc   +1 more source

Dark matter interpretation of the Fermi-LAT observations toward the outer halo of M31. [PDF]

Phys Rev D, 2021
Karwin CM, Murgia S, Moskalenko IV, Fillingham SP, Burns AK, Fieg M.   +5 more
europepmc   +1 more source

Progress in understanding blazars from BeppoSAX observations [PDF]

, 2000
L. Maraschi, L. Chiappetti, G. Fossati, E. Pian, F. Tavecchio   +4 more
openalex   +1 more source

Two-Color Photometry with High Temporal Resolution of the Extremely Variable Blazar PKS 0537−441 [PDF]

, 2000
Gustavo E. Romero, S. A. Cellone, J. A. Combi   +2 more
openalex   +1 more source

Cosmic ray feedback in galaxies and galaxy clusters: A pedagogical introduction and a topical review of the acceleration, transport, observables, and dynamical impact of cosmic rays. [PDF]

Astron Astrophys Rev, 2023
Ruszkowski M, Pfrommer C.
europepmc   +1 more source

Hadronic blazar models and correlated X-ray/TeV flares [PDF]

, 2000
J. P. Rachen
openalex   +1 more source

A delayed 400 GeV photon from GRB 221009A and implication on the intergalactic magnetic field. [PDF]

Nat Commun
Xia ZQ, Wang Y, Yuan Q, Fan YZ.
europepmc   +1 more source

Production of gamma-rays in blazars

, 1997
W. Bednarek
openalex   +2 more sources