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Bhjet: a public multizone, steady state jet + thermal corona spectral model

Lucchini, M. and Ceccobello, C. and Markoff, S. and Kini, Y. and Chhotray, A. and Connors, R. M. T. and Crumley, P. and Falcke, H. and Kantzas, D. and Maitra, D. (2022) Bhjet: a public multizone, steady state jet + thermal corona spectral model. Monthly Notices of the Royal Astronomical Society, 517 (4). pp. 5853-5881. ISSN 0035-8711. doi:10.1093/mnras/stac2904. https://resolver.caltech.edu/CaltechAUTHORS:20221206-901635600.6

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Abstract

Accreting black holes are sources of major interest in astronomy, particular those launching jets because of their ability to accelerate particles, and dramatically affect their surrounding environment up to very large distances. The spatial, energy, and time-scales at which a central active black hole radiates and impacts its environment depend on its mass. The implied scale-invariance of accretion/ejection physics between black hole systems of different central masses has been confirmed by several studies. Therefore, designing a self-consistent theoretical model that can describe such systems, regardless of their mass, is of crucial importance to tackle a variety of astrophysical sources. We present here a new and significantly improved version of a scale invariant, steady-state, multizone jet model, which we rename BHJet, resulting from the efforts of our group to advance the modelling of black hole systems. We summarize the model assumptions and basic equations, how they have evolved over time, and the additional features that we have recently introduced. These include additional input electron populations, the extension to cyclotron emission in near-relativistic regime, an improved multiple inverse-Compton scattering method, external photon seed fields typical of active galactic nucleus, and a magnetically dominated jet dynamical model as opposed to the pressure-driven jet configuration present in older versions. In this paper, we publicly release the code on GitHub and, in order to facilitate the user’s approach to its many possibilities, showcase a few applications as a tutorial.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1093/mnras/stac2904DOIArticle
ORCID:
AuthorORCID
Lucchini, M.0000-0002-2235-3347
Ceccobello, C.0000-0002-4767-9925
Markoff, S.0000-0001-9564-0876
Chhotray, A.0000-0002-4240-3292
Connors, R. M. T.0000-0002-8908-759X
Crumley, P.0000-0002-5355-7158
Falcke, H.0000-0002-2526-6724
Kantzas, D.0000-0002-7364-606X
Maitra, D.0000-0003-1897-6872
Additional Information:We thank the anonymous referee for their thorough comments which greatly clarified the manuscript. We thank Mike Nowak and Jörn Wilms for their contributions to the model over the years. ML and SM are thankful for support from an NWO (Netherlands Organisation for Scientific Research) VICI award, grant Nr. 639.043.513. CC acknowledges support from the Swedish Research Council (VR). This research has made use of ISIS functions (ISISscripts) provided by ECAP/Remeis observatory and MIT (http://www.sternwarte.uni-erlangen.de/isis/).
Funders:
Funding AgencyGrant Number
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)639.043.513
Swedish Research CouncilUNSPECIFIED
Issue or Number:4
DOI:10.1093/mnras/stac2904
Record Number:CaltechAUTHORS:20221206-901635600.6
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20221206-901635600.6
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:118255
Collection:CaltechAUTHORS
Deposited By: Research Services Depository
Deposited On:06 Jan 2023 20:54
Last Modified:06 Jan 2023 20:54

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