S.D. Bart helmy
- Swift XRT follow-up of the transient AXP 1E1547.0-5408 in outburst
- The astronomer's telegram
- Document type
- Faculty of Science (FNWI)
- Anton Pannekoek Institute for Astronomy (API)
We report on the preliminary results of the first Swift-XRT observations of the transient AXP 1E1547.0-5408 (Krimm et al. GCN 8311, 8312). We analyzed the observation performed on 2008, October 3rd (orbit 1 : UT 9:31 - 9:51, orbit 2 : UT 10:54 - 11:28, and orbit 3 : UT 13:34 - 12:53) in PC mode, and on 2008, October 3rd-4th (UT 12:53 - 01:37) carried out in WT mode. Preliminary spectral study of these observations found the source at a persistent flux >50 times with respect to its quiescent level, and with a spectrum significantly harder than the pre-burst one.
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