EPIC-pn CCDs
Minimum credit line: Image courtesy of MPI-semiconductor laboratory, MPE, Astronomisches Institut Tübingen, Germany and ESA. (for details, see Conditions of Use).
Credit: ESA/XMM-Newton, CC BY-SA 3.0 IGO
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| About this Image |
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Photography of the 12 CCDs of the EPIC pn camera. Its spatially uniform detector quality over the entire FOV is realized by the monolithic fabrication of twelve 3 x 1 cm pn-CCDs on a single waver. The four individual quadrants have each three pn-CCD subunits.
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- Read the Journal article
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http://xmm.esac.esa.int/external/xmm_user_support/documentation/technical/EPIC/index.shtml - Detailed description of this image
- For unfamiliar terms, visit the XMM-Newton Astronomical Glossary
| Detailed Caption | In the case of the pn camera, the spatially uniform detector quality over the entire FOV is realized by the monolithic fabrication of twelve 3 x 1 cm pn-CCDs on a single waver. The four individual quadrants each having three pn-CCD subunits with a format 200 x 64 pixels are operated in parallel. This division of the focal plane in subunits was made because of redundancy reasons. The pn array was especially designed for the XMM-Newton X-ray telescope FOV and mirror PSF having an imaging area of 6 x 6 cm (covering about 97% of the FOV; about 6 cm2 of the CCD's sensitive area are outside the FOV and is used for background studies) and a pixel size of 150 x 150 microns (4.1 arcsec) with a position resolution of 120 microns, resulting in an equivalent angular resolving capability for a single photon of 3.3 arcsec. |
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