An optical view of BL Lacertae objects
R Falomo, E Pian, A Treves - The Astronomy and Astrophysics Review, 2014 - Springer
BL Lac objects are active nuclei, hosted in massive elliptical galaxies, the emission of which
is dominated by a relativistic jet closely aligned with the line of sight. This implies the …
is dominated by a relativistic jet closely aligned with the line of sight. This implies the …
MOJAVE. X. Parsec-scale jet orientation variations and superluminal motion in active galactic nuclei
We describe the parsec-scale kinematics of 200 active galactic nucleus (AGN) jets based on
15 GHz Very Long Baseline Array (VLBA) data obtained between 1994 August 31 and 2011 …
15 GHz Very Long Baseline Array (VLBA) data obtained between 1994 August 31 and 2011 …
Detection of significant cm to sub-mm band radio and γ-ray correlated variability in Fermi bright blazars
L Fuhrmann, S Larsson, J Chiang… - Monthly Notices of …, 2014 - academic.oup.com
The exact location of the γ-ray emitting region in blazars is still controversial. In order to
attack this problem we present first results of a cross-correlation analysis between radio (11 …
attack this problem we present first results of a cross-correlation analysis between radio (11 …
The dual nature of blazar fast variability: Space and ground observations of S5 0716+ 714
CM Raiteri, M Villata, D Carosati… - Monthly Notices of …, 2021 - academic.oup.com
ABSTRACT Blazar S5 0716+ 714 is well-known for its short-term variability, down to intraday
time-scales. We here present the 2-min cadence optical light curve obtained by the TESS …
time-scales. We here present the 2-min cadence optical light curve obtained by the TESS …
[HTML][HTML] Location of γ-ray emission and magnetic field strengths in OJ 287
JA Hodgson, TP Krichbaum, AP Marscher… - Astronomy & …, 2017 - aanda.org
Context. The γ-ray BL Lac object OJ 287 is known to exhibit inner-parsec “jet-wobbling”,
high degrees of variability at all wavelengths and quasi-stationary features, including an …
high degrees of variability at all wavelengths and quasi-stationary features, including an …
A comprehensive power spectral density analysis of astronomical time series. I. The Fermi-LAT gamma-ray light curves of selected blazars
We present the results of the Fermi-Large Area Telescope 10 yr long light curve (LC)
modeling of selected blazars: six flat-spectrum radio quasars (FSRQs) and five BL Lacertae …
modeling of selected blazars: six flat-spectrum radio quasars (FSRQs) and five BL Lacertae …
The Relativistic Jet and Central Engine of Fermi Blazars
The origin of jets is one of the most important issues concerning active galactic nuclei, yet it
has remained obscure. In this work, we made use of information from emission lines …
has remained obscure. In this work, we made use of information from emission lines …
Multiwavelength cross-correlations and flaring activity in bright blazars
Blazars are known for their energetic multiwavelength flares from radio wavelengths to high-
energy γ-rays. In this work, we study radio, optical, and γ-ray light curves of 145 bright …
energy γ-rays. In this work, we study radio, optical, and γ-ray light curves of 145 bright …
Radio galaxies—the TeV challenge
B Rani - Galaxies, 2019 - mdpi.com
Over the past decade, our knowledge of the γ-ray sky has been revolutionized by ground-
and space-based observatories by detecting photons up to several hundreds of tera …
and space-based observatories by detecting photons up to several hundreds of tera …
Multi-wavelength characterization of the blazar S5 0716+ 714 during an unprecedented outburst phase
Context. The BL Lac object S5 0716+ 714, a highly variable blazar, underwent an
impressive outburst in January 2015 (Phase A), followed by minor activity in February …
impressive outburst in January 2015 (Phase A), followed by minor activity in February …