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Swift and optical observations of GRB 050401
Massimiliano De Pasquale, Andy P. Beardmore, S. D. Barthelmy +22
We present the results of the analysis of gamma-ray and X-ray data of GRB 050401 taken with the Swift satellite, together with a series of ground-based follow-up observations. The…
Very Early Optical Afterglows of Gamma-Ray Bursts: Evidence for Relative Paucity of Detection
P. W. A. Roming, P. Schady, D. B. Fox +38
Very early observations with the Swift satellite of gamma-ray burst (GRB) afterglows reveal that the optical component is not detected in a large number of cases. This is in contra…
The Swift Ultra-Violet/Optical Telescope
P. W. A. Roming, T. E. Kennedy, K. O. Mason +22
The UV/Optical Telescope (UVOT) is one of three instruments flying aboard the Swift Gamma-ray Observatory. It is designed to capture the early (approximately 1 minute) UV and optic…
Prompt and afterglow early X-ray phases in the comoving frame. Evidence for Universal properties?
G. Chincarini, A. Moretti, P. Romano +38
We analyze the Swift XRT light curves and spectra of the gamma-ray bursts (GRBs) for which the redshift has been measured. The sample consists of seven GRBs. The soft X-ray light c…
Ultraviolet, Optical, and X-Ray Observations of the Type Ia Supernova 2005am with Swift
P. J. Brown, S. T. Holland, C. James +21
We present ultraviolet and optical light curves in six broadband filters and grism spectra obtained by Swift's Ultraviolet/Optical Telescope for the Type Ia supernova SN2005am. The…
XMM-Newton EPIC and OM Observations of Her X-1 over the 35 d Beat Period and an Anomalous Low State
S. Zane, G. Ramsay, M. A. Jimenez-Garate +4
We present the results of a series of XMM-Newton EPIC and OM observations of Her X-1, spread over a wide range of the 35 d precession period. We confirm that the spin modulation of…