English
 
User Manual Privacy Policy Disclaimer Contact us
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
  Status of the wide field imager instrument for Athena

Meidinger, N., Albrecht, S., Bonholzer, M., Müller-Seidlitz, J., Nandra, K., Ott, S., et al. (2019). Status of the wide field imager instrument for Athena. In O. H. W. Siegmund (Ed.), UV, X-RAY, AND GAMMA-RAY SPACE INSTRUMENTATION FOR ASTRONOMY XXI. doi:10.1117/12.2528109.

Item is

Basic

show hide
Item Permalink: http://hdl.handle.net/21.11116/0000-0006-3E9A-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-3E9B-7
Genre: Conference Paper

Files

show Files
hide Files
:
Status of the wide field imager instrument for Athena.pdf (Any fulltext), 901KB
 
File Permalink:
-
Name:
Status of the wide field imager instrument for Athena.pdf
Description:
-
Visibility:
Private
MIME-Type / Checksum:
application/pdf
Technical Metadata:
Copyright Date:
-
Copyright Info:
-
License:
-

Locators

show

Creators

show
hide
 Creators:
Meidinger, Norbert1, Author              
Albrecht, Sebastian2, Author              
Bonholzer, Michael1, Author              
Müller-Seidlitz, Johannes1, Author              
Nandra, Kirpal1, Author              
Ott, Sabine1, Author              
Plattner, Markus2, Author              
Treberspurg, Wolfgang1, Author              
Affiliations:
1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              
2MPI for Extraterrestrial Physics, Max Planck Society, ou_159888              

Content

show
hide
Free keywords: -
 Abstract: The Wide Field Imager (WFI) instrument for ESA’s next large X-ray mission Athena is designed for imaging and spectroscopy over a large field of view, and high count rate observations up to and beyond 1 Crab source intensity. The other focal plane instrument, the cryogenic X-IFU camera, is designed for high-spectral resolution imaging. Both cameras share alternately a mirror system based on silicon pore optics with a focal length of 12 m and unprecedented large effective area of about 1.4 m2 at 1 keV. The WFI instrument employs DEPFET active pixel sensors, which are fully depleted, back-illuminated silicon devices of 450 μm thickness. These provide high quantum efficiency over the 0.2 keV to 15 keV range with state-of-the art spectral resolution and extremely fast readout speeds compared to previous generations of Si detectors for X-ray astronomy. The sensors are controlled and read out by customized ASICs developed for this project. The focal plane comprises a Large Detector Array (LDA) with over 1 million pixels of 130 μm × 130 μm size, providing oversampling of the PSF by a factor <2 over the large (40’ × 40’) field of view, complemented by a smaller Fast Detector (FD) optimized for high count rate applications. The WFI development has entered phase B of the project at the end of 2018 after a successful Preliminary Requirements Review of the instrument conducted jointly by ESA and DLR. A further important milestone was the endorsement of the both instrument consortia by ESA, also end of 2018. The results of breadboard model development and testing will be presented as well as the preliminary design of WFI and an outlook to the next steps of the development.

Details

show
hide
Language(s):
 Dates: 2019-09-09
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1117/12.2528109
Other: LOCALID: 3221058
 Degree: -

Event

show
hide
Title: Conference on UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXI held at SPIE Optical Engineering + Applications Conference
Place of Event: San Diego, CA
Start-/End Date: 2019-08-11 - 2019-08-13

Legal Case

show

Project information

show

Source 1

show
hide
Title: UV, X-RAY, AND GAMMA-RAY SPACE INSTRUMENTATION FOR ASTRONOMY XXI
Source Genre: Proceedings
 Creator(s):
Siegmund, Oswald H. W., Editor
Affiliations:
-
Publ. Info: -
Pages: - Volume / Issue: 11118 Sequence Number: 111180Y Start / End Page: - Identifier: -

Source 2

show
hide
Title: Proceedings of SPIE
Source Genre: Series
 Creator(s):
Affiliations:
Publ. Info: SPIE-INT SOC OPTICAL ENGINEERING
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISBN: 978-1-5106-2929-5
ISBN: 978-1-5106-2930-1
ISSN: 0277-786X