Adelaide Research & Scholarship
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https://hdl.handle.net/2440/37596
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| Type: | Journal article |
| Title: | The anomalous early afterglow of GRB 050801 |
| Author: | Rykoff, E. Mangano, V. Yost, S. Sari, R. Aharonian, F. Akerlof, C. Ashley, M. Barthelmy, S. Burrows, D. Gehrels, N. Gogus, E. Guver, T. Horns, D. Kiziloglu, U. Krimm, H. McKay, T. Ozel, M. Phillips, A. Quimby, R. Rowell, G. et al. |
| Citation: | The Astrophysical Journal: an international review of astronomy and astronomical physics, 2006; 638(1):L5-L8 |
| Publisher: | Univ Chicago Press |
| Issue Date: | 2006 |
| ISSN: | 0004-637X 1538-4357 |
| Statement of Responsibility: | E. S. Rykoff, V. Mangano, S. A. Yost, R. Sari, F. Aharonian, C. W. Akerlof, M. C. B. Ashley, S. D. Barthelmy, D. N. Burrows, N. Gehrels, E. Göüş, T. Güver, D. Horns, Ü. Kızılolu, H. A. Krimm, T. A. McKay, M. Özel, A. Phillips, R. M. Quimby, G. Rowell, W. Rujopakarn, B. E. Schaefer, D. A. Smith, H. F. Swan, W. T. Vestrand, J. C. Wheeler, J. Wren, and F. Yuan |
| Abstract: | The ROTSE-IIIc telescope at the HESS site, Namibia, obtained the earliest detection of optical emission from a gamma-ray burst (GRB), beginning only 21.8 s from the onset of Swift GRB 050801. The optical light curve does not fade or brighten significantly over the first ∼250 s, after which there is an achromatic break and the light curve declines in typical power-law fashion. The Swift XRT also obtained early observations starting at 69 s after the burst onset. The X-ray light curve shows the same features as the optical light curve. These correlated variations in the early optical and X-ray emission imply a common origin in space and time. This behavior is difficult to reconcile with the standard models of early afterglow emission. |
| Description: | © 2006 The American Astronomical Society. All rights reserved. |
| DOI: | 10.1086/501007 |
| Published version: | http://dx.doi.org/10.1086/501007 |
| Appears in Collections: | Aurora harvest Physics publications |
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