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Bright source capabilities of the WFI and X-IFU
|Authors:||Dauser, T.; Brand, T.; Wilms, Jörn; Peille, P.; Bandler, S.; Cobo, Beatriz CSIC ORCID ; Ceballos, María Teresa CSIC ORCID ; Smith, S.||Issue Date:||2015||Citation:||Exploring the Hot and Energetic Universe (2015)||Abstract:||We are using end-to-end simulations to quantify the bright source capabilities of the Athena WFI and X-IFU instrument. For this purpose source images and spectra are used as input to fully simulate the predicted events on the detector, which are then converted to event lists, spectra, and images. This contribution will explain the different pile-up effects for both instruments and analyse their impact on the efficiency of the detector and the spectral shape. With this approach we are able to estimate limiting fluxes, below which spectra are not significantly affected by pile-up effects. Additionally, the direct impact of pile-up on estimated parameters for core science cases such as measuring the spin of black holes or absorption by the WHIM is investigated.||Description:||Trabajo presentado a la Conferencia: Exploring the Hot and Energetic Universe: The first scientific conference dedicated to the Athena X-ray observatory; celebrada en Madrid (España) del 8 a 10 de septiembre de 2015.-- et al.||URI:||http://hdl.handle.net/10261/140983|
|Appears in Collections:||(IFCA) Comunicaciones congresos|
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