File:GRB 031203 X-ray rings.jpg
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[edit]DescriptionGRB 031203 X-ray rings.jpg |
English: This image and animation shows GRB 032103, observed in the X-ray by XMM-Newton's MOS cameras. On December 3rd 2003 a 30-second flash of gamma rays was detected from GRB 032103 by Integral and consequently an XMM-Newton observation of the object was performed, starting 6 hours after the burst. The image (top figure) and animation (bottom figure) depict photons detected in the 0.7 - 2.5 keV energy range. The data were divided into time steps, and the image and animation show how the appearance of the object changes with time. The two rings seen are concentric with the X-ray afterglow, and appear to expand outwards. They are caused by dust slabs between the observer and the GRB. The dust reflects photons from the afterglow into the line of sight of the observer. They appear to expand outwards because light scattered at a larger angle to the line of sight take longer to reach the observer, hence giving the appearance of an expanding circle. In fact, the apparent rate of expansion is a thousand times the speed of light. The two rings are caused by separate dust slabs at distances of 880 and 1390 parsecs. Expanding X-ray rings from scattering by dust grains have never been seen before, although slower-moving rings around supernovae have been observed. |
Date | |
Source | https://xmm-tools.cosmos.esa.int/external/xmm_science/gallery/public/level3.php?id=374 (image link) |
Author | ESA/XMM-Newton, Simon Vaughan (University of Leicester) |
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[edit]This media was created by the European Space Agency (ESA).
Where expressly so stated, images or videos are covered by the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence, ESA being an Intergovernmental Organisation (IGO), as defined by the CC BY-SA 3.0 IGO licence. The user is allowed under the terms and conditions of the CC BY-SA 3.0 IGO license to Reproduce, Distribute and Publicly Perform the ESA images and videos released under CC BY-SA 3.0 IGO licence and the Adaptations thereof, without further explicit permission being necessary, for as long as the user complies with the conditions and restrictions set forth in the CC BY-SA 3.0 IGO licence, these including that:
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This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 IGO license. Attribution: ESA/XMM-Newton/Simon Vaughan (University of Leicester), CC BY-SA IGO 3.0
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current | 09:14, 2 July 2017 | 1,822 × 1,894 (274 KB) | Huntster (talk | contribs) | {{Information |Description={{en|1=This image and animation shows GRB 032103, observed in the X-ray by XMM-Newton's MOS cameras. On December 3rd 2003 a 30-second flash of gamma rays was detected from GRB 032103 by Integral and consequently an XMM-Newton... |
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