English

Multi-wavelength picture of the misaligned BL Lac object 3C 371

High Energy Astrophysical Phenomena 2024-12-16 v2 Astrophysics of Galaxies

Abstract

The BL Lac object 3C 371 is one of the targets that are regularly monitored by the Whole Earth Blazar Telescope (WEBT) Collaboration to study blazar variability on both short and long timescales. We aim to evaluate the long-term multiwavelength (MWL) behaviour of 3C 371, comparing it with the results derived for its optical emission in our previous study. For this, we make use of the multi-band campaigns organized by the WEBT Collaboration in optical and radio between January 2018 and December 2020, and of public data from Swift and Fermi satellites and the MOJAVE Very Large Interferometry programme. We evaluate the variability shown by the source in each band with the amplitude variability quantification, as well as possible interband correlation using the z-Discrete Correlation Function. We also present a deep analysis of the optical-UV, X-ray and γ\gamma-ray spectral variability. With the MOJAVE data we perform a kinematics analysis, looking for components propagating along the jet, calculating its kinematics parameters. This set of parameters is later used for the interpretation of the source MWL behaviour, modelling the broadband spectral energy distribution (SED) of the source with theoretical blazar emission scenarios.

Keywords

Cite

@article{arxiv.2412.04068,
  title  = {Multi-wavelength picture of the misaligned BL Lac object 3C 371},
  author = {J. Otero-Santos and C. M. Raiteri and A. Tramacere and J. Escudero Pedrosa and J. A. Acosta-Pulido and M. I. Carnerero and M. Villata and I. Agudo and I. A. Rahimov and T. S. Andreeva and D. V. Ivanov and N. Marchili and S. Righini and M. Giroletti and M. A. Gurwell and S. S. Savchenko and D. Carosati and W. P. Chen and S. O. Kurtanidze and M. D. Joner and E. Semkov and T. Pursimo and E. Benítez and G. Damljanovic and G. Andreuzzi and G. Apolonio and G. A. Borman and V. Bozhilov and F. J. Galindo-Guil and T. S. Grishina and V. A. Hagen-Thorn and D. Hiriart and H. Y. Hsiao and S. Ibryamov and R. Z. Ivanidze and G. N. Kimeridze and E. N. Kopatskaya and O. M. Kurtanidze and V. M. Larionov and E. G. Larionova and L. V. Larionova and M. Minev and D. A. Morozova and M. G. Nikolashvili and E. Ovcharov and L. A. Sigua and M. Stojanovic and I. S. Troitskiy and Yu. V. Troitskaya and A. Tsai and A. Valcheva and A. A. Vasilyev and O. Vince and E. Zaharieva and A. V. Zhovtan},
  journal= {arXiv preprint arXiv:2412.04068},
  year   = {2024}
}

Comments

Accepted in A&A, 23 pages, 15 figures