Background re-scaling times used in the performance check.
|at 140||at 5521||at 1435.42||–|
|at 214||at 10 251||at 1659.46||–|
|DetFail||at 775||at 42 443||at 3337.50||–|
|at 930||at 52 239||at 3799.67||–|
Notes. The number of orbits, pointings, days, and hours are presented for the largest data set used, the 26Al-case with 92 867 pointings, comprising the full sky over 13.5 mission years. A Const background means that only one background parameter per component is used for the entire data set, i.e. the background variability is fixed. The 1p case allows for high variability as each observation pointing obtains its own background amplitude. The time nodes at which the four SPI detectors, 02, 17, 05, and 01 failed, are given in INTEGRAL Julian days (IJD) and are marked as DetFail. Intermediate background time scalings are chosen either inherent from the spectral background and response database (1n and Anneal) or from selected times in between.
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