'Bl lacs' diaporamas de présentation

858 views • 64 slides

Extragalactic jets: a new perspective

Extragalactic jets: a new perspective. G. Ghisellini in coll. with F. Tavecchio INAF-OABrera. Almost every galaxy hosts a BH. 99% are silent 1% are active 0.1% have jets. FRI-FRII & Blazars. Blazars: Spectral Energy Distribution. Radio IR Opt UV X MeV GeV.

687 views • 57 slides

Extragalactic jets: a new perspective

Extragalactic jets: a new perspective. G. Ghisellini in coll. with F. Tavecchio INAF-OABrera. Almost every galaxy hosts a BH. 99% are silent 1% are active 0.1% have jets. FRI-FRII & Blazars. Blazars: Spectral Energy Distribution. Radio IR Opt UV X MeV GeV.

680 views • 57 slides

Relativistic Beaming Effect for Fermi Blazars

The 4 th Fermi Asian Network(FAN4) Workshop July 8-12, 2013, HKU. Relativistic Beaming Effect for Fermi Blazars. Junhui Fan Co-workers: D. Bastirie, J.H. Yang, Y. Liu, D.X. Wu, S.H. Li, J.Y. Zhang. Welcome to. IAUS 313: Extragalactic Jets from every angle Sept, 13-21, 2014, Ecuador

576 views • 55 slides

Blazar Variability & the Radio Galaxy/Cosmology Interface

Blazar Variability & the Radio Galaxy/Cosmology Interface. Paul J. Wiita Georgia State University, Atlanta, USA Winter School on Black Hole Astrophysics APCTP, Pohang, January 17-20, 2006. OUTLINE. Blazar Basics

704 views • 54 slides

Radio L oud AGN Unification: Connecting Jets and Accretion

Radio L oud AGN Unification: Connecting Jets and Accretion. Eileen Meyer Space Telescope Science Institute Giovanni Fossati , Rice University Markos Georganopoulos, UMBC Matthew Lister, Purdue University Invited Talk The Innermost Regions of Relativistic Jets

584 views • 32 slides

Gamma da sorgenti extra-galattiche e da DM

313 views • 31 slides

Breaking the Blazar Sequence: A new view of Radio Loud AGN Unification

Breaking the Blazar Sequence: A new view of Radio Loud AGN Unification. + Collective Evidence for Inverse Compton emission from External Photons in High-Power Blazars. E. Meyer 1 , M. Georganopoulos 2 , G. Fossati 1 , M. Lister 3. Fermy meets Jansky St. Michael's, MD 10 November 2011.

374 views • 27 slides

An explanation to the diffuse gamma- ray emission

An explanation to the diffuse gamma- ray emission. Fiorenza Donato @ Physics Dept., UN. Torino In collaboration with: M. Ajello, T. Bringmann, F. Calore, A. Cuoco, M. Di Mauro, G. Lamanna L. Latronico, D. Sanchez, P.D. Serpico, J. Siegal-Gaskins

281 views • 26 slides

Charles D. Dermer Space Science Division US Naval Research Laboratory, Washington, DC

Fermi AGNs: the L AT B right A GN S ample (LBAS) from the First Three Months of the Fermi Large Area Telescope All-Sky Survey. Charles D. Dermer Space Science Division US Naval Research Laboratory, Washington, DC charles.dermer@nrl.navy.mil February 18, 2009

420 views • 25 slides

Variability Study of Fermi Blazars

344 views • 23 slides

Anita Reimer, HEPL/Stanford University GLAST-lunch talk, 23 February 2006

On the diffuse AGN contribution to the extragalactic g -ray background (EGRB). I >100 MeV ~ 1.14 10 -5 ph cm -2 s -1 sr -1. Anita Reimer, HEPL/Stanford University GLAST-lunch talk, 23 February 2006. High energy blazars as guaranteed contributors.

358 views • 22 slides

Cosmological Evolution of Blazars: new findings from the Swift/BAT and Fermi/LAT surveys

Cosmological Evolution of Blazars: new findings from the Swift/BAT and Fermi/LAT surveys. M. Ajello [KIPAC/SLAC] L. Costamante, R. Sambruna, N. Gehrels, J. Greiner, J. Tueller, J. Chiang, A. Escala, R. Mushotzky, A. Rau, J. Wall + On behalf of Fermi/LAT collaboration. Instruments.

211 views • 21 slides

6dFGS spectra of radio sources at 20 and 100 GHz (12 and 3mm)

285 views • 18 slides

339 views • 18 slides

BL LAC OBJECTS

191 views • 18 slides

The Second Catalog of AGNs Detected by the Fermi LAT (2LAC ) Charles D. Dermer

289 views • 16 slides

Gamma-ray Large Area Space Telescope

138 views • 13 slides

AGN in the Fermi Era Science report from the AGN group

AGN in the Fermi Era Science report from the AGN group. C. Dermer (NRL). " curious straight ray " in M87 , "apparently connected with the nucleus by a thin line of matter" (Curtis 1918). 2LAC and beyond Radio- g Ray Connection GeV-TeV connection and EBL g -ray SED and Jet Physics

259 views • 12 slides

Radio Observations of Nearby HST BL Lacs

Radio Observations of Nearby HST BL Lacs. Marcello Giroletti (IRA & Univ. of Bologna) Gabriele Giovannini (IRA & Univ. of Bologna) Greg B. Taylor (NRAO, Socorro). Outline. Introduce the sample Present radio observations and maps Show preliminary analysis Summarize the results.

220 views • 11 slides