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http://hdl.handle.net/20.500.12386/28015
Title: | The evolution of X-ray bursts in the `Bursting Pulsar' GRO J1744-28 | Authors: | Court, J. M. C. Altamirano, D. Albayati, A. C. SANNA, ALBERTO BELLONI, Tomaso Maria Melchiorre Overton, T. Degenaar, N. Wijnands, R. Yamaoka, K. Hill, A. B. Knigge, C. |
Issue Date: | 2018 | Journal: | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | Number: | 481 | Issue: | 2 | First Page: | 2273 | Abstract: | GRO J1744-28, commonly known as the `Bursting Pulsar', is a low-mass X-ray binary containing a neutron star and an evolved giant star. This system, together with the Rapid Burster (MXB 1730-33), are the only two systems that display the so-called type II X-ray bursts. These types of bursts, which last for tens of seconds, are thought to be caused by viscous instabilities in the disc; however, the type II bursts seen in GRO J1744-28 are qualitatively very different from those seen in the archetypal type II bursting source, the Rapid Burster. To understand these differences and to create a framework for future study, we perform a study of all X-ray observations of all three known outbursts of the Bursting Pulsar which contained type II bursts, including a population study of all type II X-ray bursts seen by RXTE. We find that the bursts from this source are best described in four distinct phenomena or `classes' and that the characteristics of the bursts evolve in a predictable way. We compare our results with what is known for the Rapid Burster and put out results in the context of models that try to explain this phenomena. | URI: | http://hdl.handle.net/20.500.12386/28015 | URL: | https://academic.oup.com/mnras/article/481/2/2273/5086081 | ISSN: | 0035-8711 | DOI: | 10.1093/mnras/sty2312 | Bibcode ADS: | 2018MNRAS.481.2273C | Fulltext: | open |
Appears in Collections: | 1.01 Articoli in rivista |
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