Physical properties of amorphous solid interstellar material from X-ray absorption spectroscopy of Sco X-1
| dc.creator | Costantini, C. P. de Vries E. | |
| dc.date | 2009-01-20 | |
| dc.date.accessioned | 2026-07-07T12:32:09Z | |
| dc.date.available | 2026-07-07T12:32:09Z | |
| dc.description | High quality, high resolution X-ray spectra were obtained of Sco X-1 with the Reflection Grating Spectrometer (RGS) on board the XMM-Newton satellite. The spectrum around the Oxygen K-edge is searched for signatures indicative for EXAFS. Analysis shows a clear indication for the existence of EXAFS with photo-electron scattering distances in the absorbing medium in a range which applies to many solids. When scattering of the photo-electron on Oxygen atoms is assumed, the Oxygen to Oxygen atom distances found are 2.75 Angstrom. This fits with distances as found in amorphous water-ice, although water ice is thought to be an unlikely constituent of the diffuse interstellar clouds which form the absorbing medium towards Sco X-1 | |
| dc.description | Accepted for publication in Astronomy and Astrophysics | |
| dc.identifier | https://arxiv.org/abs/0901.3050 | |
| dc.identifier | http://arxiv.org/abs/0901.3050 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/216689 | |
| dc.subject | High Energy Astrophysical Phenomena | |
| dc.title | Physical properties of amorphous solid interstellar material from X-ray absorption spectroscopy of Sco X-1 | |
| dc.type | text |