papers

Publications (6)

astro-ph.IM2022

Spectroscopic performance of flight-like DEPFET sensors for Athena's WFI

Johannes Müller-Seidlitz, Robert Andritschke, Michael Bonholzer +6

The Wide Field Imager for the Athena X-ray telescope is composed of two back side illuminated detectors using DEPFET sensors operated in rolling shutter readout mode: A large detec…

astro-ph.IM2026

Radiation effects and noise evolution in NewAthena WFI flight-production sensors

Valentin Emberger, Johannes Müller-Seidlitz, Luisa Ostler +7

The Wide Field Imager (WFI), one of the two instruments on ESA's next large X-ray observatory NewAthena, is designed for imaging spectroscopy in the 0.2-15 keV range, combining a l…

astro-ph.IM2026

Characterisation of the NewAthena WFI's DEPFET Flight Production's Operational Parameters

Léonie Sommer, Johannes Müller-Seidlitz, Valentin Emberger +9

NewAthena's Wide Field Imager (WFI) uses detectors made up from Depleted P-Channel Field Effect Transistor (DEPFET) pixels operated in rolling shutter mode. The Large Detector Arra…

physics.ins-det2022

Total ionizing dose test with DEPFET sensors for Athena's WFI

Valentin Emberger, Michael Bonholzer, Johannes Müller-Seidlitz +1

The focal plane of Athena's WFI consists of spectroscopic single photon X-ray detectors that contain arrays of DEPFETs (DEpleted P-channel Field-Effect Transistor) as well as ASICs…

astro-ph.IM2024

Low temperature proton irradiation with DEPFETs for Athena's Wide Field Imager

Valentin Emberger, Robert Andritschke, Parviz Azhdarzadeh +5

The Wide Field Imager (WFI), one of two instruments on ESA's next large X-ray mission Athena, is designed for imaging spectroscopy of X-rays in the range of 0.2 to 15 keV with a la…

astro-ph.IM2024

Spectroscopic Performance of Detectors for Athena's WFI: Measurements and Simulation

Johannes Müller-Seidlitz, Robert Andritschke, Valentin Emberger +7

The depleted p-channel field effect transistor is the chosen sensor type for the Wide Field Imager of the Athena mission. It will be used in two types of cameras. One will enable o…