XIS Night Earth background Files: Cycle 3 Versions
The XIS team has released a set of night earth background files for the preparation of AO-3 proposals. The files are created using the night erath data released for AO2. The spaced-raw charge injection (SCI), which is used by default in AO3, reduces the effective area of XIS by 5.6%. Although this effect is not included in the night earth background files released here, it is negligible for the purpose of simulation. Please refer to the AO2 page for details of the night earth data used here.
A gzipped tar file is available for download, containing the following 8 files.
- XIS nominal position (r=6mm)
- Sky coordinate
- nte_xisBI_xispos_6mm_sky.pi (XIS1)
- nte_xisFI_xispos_6mm_sky.pi (sum of XIS0 and XIS3)
- Detector coordinate
- nte_xisBI_xispos_6mm_det.pi (XIS1)
- nte_xisFI_xispos_6mm_det.pi (sum of XIS0 and XIS3)
- HXD nominal position (r=6mm)
- Sky coordinate
- nte_xisBI_hxdpos_6mm_sky.pi (XIS1)
- nte_xisFI_hxdpos_6mm_sky.pi (sum of XIS0 and XIS3)
- Detector coordinate
- nte_xisBI_hxdpos_6mm_det.pi (XIS1)
- nte_xisFI_hxdpos_6mm_det.pi (sum of XIS0 and XIS3)
>These files can be used simulation purpose only. Please use with a matching set of RMF and ARF files.
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