scholarly journals Multiwavelength corss-correlations and radio Doppler factor estimation of CGRaBS J2345-1555

2021 ◽  
Vol 0 (0) ◽  
pp. 0-0
Author(s):  
◽  
Keyword(s):  
Doppler Factor ◽  
Factor Estimation

scholarly journals Doppler Factor Estimation for Fermi Blazars

2020 ◽  
Vol 897 (1) ◽  
pp. 10 ◽  
Author(s):  
Lixia Zhang ◽  
Sina Chen ◽  
Hubing Xiao ◽  
Jinting Cai ◽  
Junhui Fan
Keyword(s):  
Doppler Factor ◽  
Factor Estimation

scholarly journals Emission factor estimation of ca. 160 emerging organic microcontaminants by inverse modeling in a Mediterranean river basin (Llobregat, NE Spain)

2015 ◽  
Vol 520 ◽  
pp. 241-252 ◽  
Author(s):  
Zoran Banjac ◽  
Antoni Ginebreda ◽  
Maja Kuzmanovic ◽  
Rafael Marcé ◽  
Martí Nadal ◽  
...  
Keyword(s):  
River Basin ◽  
Inverse Modeling ◽  
Emission Factor ◽  
Mediterranean River ◽  
Ne Spain ◽  
Factor Estimation

scholarly journals Experimentally basedq-factor estimation of cross-laminated timber walls

2016 ◽  
Vol 169 (7) ◽  
pp. 492-507 ◽  
Author(s):  
Luca Pozza ◽  
Roberto Scotta ◽  
Davide Trutalli ◽  
Andrea Polastri ◽  
Ian Smith
Keyword(s):  
Cross Laminated Timber ◽  
Factor Estimation

Improved backwards analysis for architectural vulnerability factor estimation

2011 ◽  
Author(s):  
Robert Hartl ◽  
Andreas J. Rohatschek ◽  
Walter Stechele ◽  
Andreas Herkersdorf
Keyword(s):  
Vulnerability Factor ◽  
Factor Estimation

scholarly journals Exploring the bulk of the BL Lacertae object population

2018 ◽  
Vol 618 ◽  
pp. A175
Author(s):  
F. D’Ammando ◽  
M. Giroletti ◽  
S. Rainó
Keyword(s):  
Radio Emission ◽  
Test Statistic ◽  
Large Area ◽  
Bl Lacertae ◽  
The Third ◽  
Long Baseline ◽  
Photon Index ◽  
Multi Wavelength ◽  
Doppler Factor ◽  
Bl Lacs

Aims. We are studying an unbiased sample of 42 nearby (z < 0.2) BL Lacertae objects with a multi-wavelength approach. The results of Very Long Baseline Interferometry observations were presented in the first paper of this series. In this paper, we study the γ-ray properties of the sample. Methods. We analyse data collected by the Fermi-Large Area Telescope (LAT) during its first 8.5 yr of operation in the energy range 0.1−300 GeV. Results. We reveal 23 sources with a test statistic greater than 25 (corresponding to ~4.6-σ) out of 42, with 3 sources not detected in the third LAT active galactic nucleus (AGN) catalogue, and fluxes between 3.5 × 10−10 and 7.4 × 10−8 ph cm−2 s−1. The majority of the sources have hard spectra (Γ ≤ 2), with only four having values in the range 2.1–2.4. The three newly detected sources have fluxes in the range between 0.54 × 10−9 and 1.35 × 10−9 ph cm−2 s−1 and photon index 1.7–1.9. Among the 23 LAT-detected sources, 19 are included in the third catalogue of hard Fermi-LAT sources, with a spectrum that connects relatively smoothly from 0.1 GeV to 2 TeV. LAT-detected BL Lacs are more luminous on parsec scales with respect to non-LAT-detected sources and have larger core dominance according to the unified models. Conclusions. The LAT-detected BL Lacs seem to be composed of a bulk of “classical” sources dominated by Doppler boosting and characterised by compact and bright radio emission as well as hard γ-ray spectra. Moreover, we have identified a possible population of low-luminosity BL Lacs not detected by LAT, lacking a VLBI core, and with a small Doppler factor. Furthermore, three LAT-detected sources show non-classical properties for γ-ray emitting BL Lacs (no evidence of relativistic jet, low Doppler factor in radio images, relatively low core dominance) and three other sources, while showing radio emission on parsec scales, are not detected in γ rays so far.

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