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Looking for the first time into the heart of the blazar TXS 2013+370

Traianou, Thalia and Krichbaum, Thomas P. and Boccardi, Bia and Angelakis, Emmanouil and Angioni, Roberto and Bach, Uwe and Zensus, J. Anton and Larsson, Stefan and Kiehlmann, Sebastian and Gurwell, Mark (2017) Looking for the first time into the heart of the blazar TXS 2013+370. In: 7th Fermi Symposium 2017. Proceedings of Science. No.312. SISSA , Trieste, Italy, Art. No. 049. http://resolver.caltech.edu/CaltechAUTHORS:20180828-122924652

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Abstract

The compact radio source TXS 2013+370 is a γ-ray blazar which is located at a redshift of z = 0.859 at a galactic latitude b = 1.2°. We observed the source with Very Long Baseline Interferometry (VLBI) at 15, 43 and 86 GHz and studied the morphology and the kinematic properties of the jet. The VLBI data were then combined with flux density variability measurements at 15 and 235 GHz and with the available γ-ray light curve in the period 2008-2017. A cross-correlation analysis was performed to investigate the existence of a correlation between the variability observed in the different bands. The preliminary results of our study showed that the most prominent flares and maxima stem from the central VLBI region and most likely are associated with the nuclear region, namely the core, indicating that the activity is caused by the passage of traveling shocks through the core region. In the course of our analysis, we present for the first time a 86 GHz Global Millimeter VLBI Array (GMVA) image of the innermost jet region.


Item Type:Book Section
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https://doi.org/10.22323/1.312.0049DOIArticle
ORCID:
AuthorORCID
Kiehlmann, Sebastian0000-0001-6314-9177
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Record Number:CaltechAUTHORS:20180828-122924652
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180828-122924652
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ID Code:89230
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:29 Aug 2018 20:19
Last Modified:29 Aug 2018 20:19

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