The nuclear spectroscopic telescope array (NuSTAR) high-energy X-ray mission

FA Harrison, WW Craig, FE Christensen… - The Astrophysical …, 2013 - iopscience.iop.org
ABSTRACT The Nuclear Spectroscopic Telescope Array (NuSTAR) mission, launched on
2012 June 13, is the first focusing high-energy X-ray telescope in orbit. NuSTAR operates in …

The second catalog of active galactic nuclei detected by the Fermi Large Area Telescope

M Ackermann, M Ajello, A Allafort… - The Astrophysical …, 2011 - iopscience.iop.org
The second catalog of active galactic nuclei (AGNs) detected by the Fermi Large Area
Telescope (LAT) in two years of scientific operation is presented. The second LAT AGN …

The third catalog of active galactic nuclei detected by the Fermi Large Area Telescope

M Ackermann, M Ajello, WB Atwood… - The Astrophysical …, 2015 - iopscience.iop.org
The third catalog of active galactic nuclei (AGNs) detected by the Fermi-LAT (3LAC) is
presented. It is based on the third Fermi-LAT catalog (3FGL) of sources detected between …

Progress in multi-messenger observations and emission models of blazars

G Cao, X Geng, J Wang, X Yang - New Astronomy Reviews, 2024 - Elsevier
The recent hint of correlated γ-ray and neutrino emission from the blazar TXS 0506+ 056
has renewed interest in blazars as the source of high-energy neutrinos, in which the …

Fermi Large Area Telescope observations of Markarian 421: The missing piece of its spectral energy distribution

AA Abdo, M Ackermann, M Ajello… - The Astrophysical …, 2011 - iopscience.iop.org
FERMI LARGE AREA TELESCOPE OBSERVATIONS OF MARKARIAN 421: THE MISSING
PIECE OF ITS SPECTRAL ENERGY DISTRIBUTION - IOPscience Skip to content IOP …

The first Fermi-LAT catalog of sources above 10 GeV

M Ackermann, M Ajello, A Allafort… - The Astrophysical …, 2013 - iopscience.iop.org
We present a catalog of γ-ray sources at energies above 10 GeV based on data from the
Large Area Telescope (LAT) accumulated during the first 3 yr of the Fermi Gamma-ray …

A tight connection between gamma-ray outbursts and parsec-scale jet activity in the quasar 3c 454.3

SG Jorstad, AP Marscher, PS Smith… - The Astrophysical …, 2013 - iopscience.iop.org
We analyze the multi-frequency behavior of the quasar 3C 454.3 during three prominent γ-
ray outbursts: 2009 Autumn, 2010 Spring, and 2010 Autumn. The data reveal a repeating …

The structure and emission model of the relativistic jet in the quasar 3C 279 inferred from radio to high-energy γ-ray observations in 2008–2010

M Hayashida, GM Madejski, K Nalewajko… - The Astrophysical …, 2012 - iopscience.iop.org
We present time-resolved broadband observations of the quasar 3C 279 obtained from multi-
wavelength campaigns conducted during the first two years of the Fermi Gamma-ray Space …

FERMIGAMMA-RAY SPACE TELESCOPE OBSERVATIONS OF THE GAMMA-RAY OUTBURST FROM 3C454. 3 IN NOVEMBER 2010

AA Abdo, M Ackermann, M Ajello… - The Astrophysical …, 2011 - iopscience.iop.org
The flat-spectrum radio quasar 3C454. 3 underwent an extraordinary 5 day γ-ray outburst in
2010 November when the daily flux measured with the Fermi Large Area Telescope (LAT) at …

On the location of the γ-ray outburst emission in the BL lacertae object AO 0235+ 164 through observations across the electromagnetic spectrum

I Agudo, AP Marscher, SG Jorstad… - The Astrophysical …, 2011 - iopscience.iop.org
We present observations of a major outburst at centimeter, millimeter, optical, X-ray, and γ-
ray wavelengths of the BL Lacertae object AO 0235+ 164. We analyze the timing of multi …