A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Chasing the Break : Tracing the Full Evolution of a Black Hole X-Ray Binary Jet with Multiwavelength Spectral Modeling
Tekijät: Echiburú-Trujillo Constanza, Tetarenko Alexandra J., Haggard Daryl, Russell Thomas D., Koljonen Karri I. I., Bahramian Arash, Wang Jingyi, Bremer Michael, Bright Joe, Casella Piergiorgio, Russell David M., Altamirano Diego, Baglio M. Cristina, Belloni Tomaso, Ceccobello Chiara, Corbel Stephane, Diaz Trigo Maria, Maitra Dipankar, Gabuya Aldrin, Gallo Elena, Heinz Sebastian, Homan Jeroen, Kara Erin, Körding Elmar, Lewis Fraser, Lucchini Matteo, Markoff Sera, Migliari Simone, Miller-Jones James C. A., Rodriguez Jerome, Saikia Payaswini, Sarazin Craig L., Shahbaz Tariq, Sivakoff Gregory, Soria Roberto, Testa Vincenzo, Tetarenko Bailey E., Tudose Valeriu
Kustantaja: Institute of Physics Publishing
Kustannuspaikka: BRISTOL
Julkaisuvuosi: 2024
Journal: Astrophysical Journal
Tietokannassa oleva lehden nimi: ASTROPHYSICAL JOURNAL
Lehden akronyymi: ASTROPHYS J
Artikkelin numero: 116
Vuosikerta: 962
Numero: 2
Sivujen määrä: 30
ISSN: 0004-637X
eISSN: 1538-4357
DOI: https://doi.org/10.3847/1538-4357/ad1a10
Verkko-osoite: https://iopscience.iop.org/article/10.3847/1538-4357/ad1a10
Rinnakkaistallenteen osoite: https://research.utu.fi/converis/portal/detail/Publication/387084853
Black hole (BH) X-ray binaries (XRBs) are ideal targets to study the connection between accretion inflow and jet outflow. Here we present quasi-simultaneous, multiwavelength observations of the Galactic BH system MAXI J1820+070, throughout its 2018-2019 outburst. Our data set includes coverage from the radio through X-ray bands from 17 different instruments/telescopes, and encompasses 19 epochs over a 7 month period, resulting in one of the most well-sampled multiwavelength data sets of a BH XRB outburst to date. With our data, we compile and model the broadband spectra of this source using a phenomenological model that includes emission from the jet, a companion star, and an accretion flow. This modeling allows us to track the evolution of the spectral break in the jet spectrum, a key observable that samples the jet launching region. We find that the spectral break location changes over at least approximate to 3 orders of magnitude in electromagnetic frequency over this period. Using these spectral break measurements, we link the full cycle of jet behavior, including the rising, quenching, and reignition, to the changing accretion flow properties as the source evolves through its different accretion states. Our analysis shows consistent jet behavior with other sources in similar phases of their outbursts, reinforcing the idea that jet quenching and recovery may be a global feature of BH XRB systems in outburst. Our results also provide valuable evidence supporting a close connection between the geometry of the inner accretion flow and the base of the jet.
Ladattava julkaisu This is an electronic reprint of the original article. |  |
