GRB Afterglows as a New Probe of the ISM and IGM at High Redshift
| dc.creator | Chen, Hsiao-Wen | |
| dc.creator | Prochaska, Jason X. | |
| dc.creator | Bloom, Josh S. | |
| dc.date | 2006-02-07 | |
| dc.date.accessioned | 2026-07-07T06:57:13Z | |
| dc.date.available | 2026-07-07T06:57:13Z | |
| dc.description | We summarize results from a study of the metallicity, relative abundances, gas density, and kinematics of dense media in the host environment of two Swift bursts, GRB050730 at z=3.968 and GRB051111 at z=1.549. Both GRB hosts exhibit strong absorption features from excited Si+ and Fe+ ions, indicating an extreme ISM environment that is similar to what is found around massive stars like luminous blue variables (LBV) and Wolf-Rayet stars. The extreme ISM properties have never been observed in intervening quasar absorption line systems beyond the local universe. | |
| dc.description | 6 pages including 4 figures; to appear in the proceedings of the 16th Annual October Astrophysics Conference in Maryland, "Gamma Ray Bursts in the Swift Era", eds. S. Holt, N. Gehrels and J. Nousek | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0602144 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0602144 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/106888 | |
| dc.subject | Astrophysics | |
| dc.title | GRB Afterglows as a New Probe of the ISM and IGM at High Redshift | |
| dc.type | text |