The Be X-ray Binary Outburst Zoo II

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https://pos.sissa.it/228/078/

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https://doi.org/10.22323/1.228.0078
 http://hdl.handle.net/11603/29566

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UMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
UMBC Faculty Collection
UMBC Physics Department

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Author/Creator ORCID

https://orcid.org/0000-0002-4656-6881

Date

2015-03-16

Type of Work

conference papers and proceedings
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Citation of Original Publication

Kühnel, Matthias, Peter Kretschmar, Elisa Nespoli, Atsuo Okazaki, Gabriele Schoenherr, Colleen Wilson-Hodge, Sebastian Falkner, et al. “The Be X-Ray Binary Outburst Zoo II.” In Proceedings of 10th INTEGRAL Workshop: A Synergistic View of the High-Energy Sky — PoS(Integral2014), 228:078. SISSA Medialab, 2015. https://doi.org/10.22323/1.228.0078.

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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract

We have continued our recently started systematic study of Be X-ray binary (BeXRB) outbursts. Specifically, we are developing a catalogue of outbursts including their basic properties based on nearly all available X-ray all-sky-monitors. These properties are derived by fitting asymmetric Gaussians to the outburst lightcurves. This model describes most of the outbursts covered by our preliminary catalogue well; only 13% of all datasets show more complex outburst shapes. Analyzing the basic properties, we reveal a strong correlation between the outburst length and the reached peak flux. As an example, we discuss possible models describing the observed correlation in EXO 2030+375