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Confirmation of the Supergiant Fast X-ray Transient nature of AX J1841.0-0536 from Swift outburst observations
P. Romano, V. Mangano, G. Cusumano +8
Swift observed an outburst from the supergiant fast X-ray transients (SFXT) AX J1841.0-0536 on 2010 June 5, and followed it with XRT for 11 days. The X-ray light curve shows an ini…
Swift follow-up of unidentified X-ray sources in the XMM-Newton Slew Survey
R. L. C. Starling, P. A. Evans, A. M. Read +8
We present deep Swift follow-up observations of a sample of 94 unidentified X-ray sources from the XMM-Newton Slew Survey. The X-ray Telescope on-board Swift detected 29% of the sa…
A Statistical Comparison of the Optical/UV and X-ray Afterglows of Gamma-Ray Bursts using the Swift Ultra-violet Optical and X-ray Telescopes
S. R. Oates, M. J. Page, P. Schady +11
We present the systematic analysis of the UVOT and XRT light curves for a sample of 26 Swift Gamma-Ray Bursts (GRBs). By comparing the optical/UV and X-ray light curves, we found t…
Investigating coronal saturation and super-saturation in fast-rotating M-dwarf stars
R. D. Jeffries, R. J. Jackson, K. R. Briggs +2
At fast rotation rates the coronal activity of G- and K-type stars has been observed to "saturate" and then decline again at even faster rotation rates -- a phenomenon dubbed "supe…
The unusual X-ray emission of the short Swift GRB 090515: Evidence for the formation of a magnetar?
A. Rowlinson, P. T. O'Brien, N. R. Tanvir +16
The majority of short gamma-ray bursts (SGRBs) are thought to originate from the merger of compact binary systems collapsing directly to form a black hole. However, it has been pro…
The Swift Burst Analyser I: BAT and XRT spectral and flux evolution of Gamma Ray Bursts
P. A. Evans, R. Willingale, J. P. Osborne +9
Context: Gamma Ray Burst models predict the broadband spectral evolution and the temporal evolution of the energy flux. In contrast, standard data analysis tools and data repositor…