DIS Slitviewer - Quick Information and Specifications

Contact Webmaster for web page errors, corrections, ommisions, and/or additions.

This page last updated: June 28, 2006 - JMD
This page last checked: September 28, 2004 - JMD

Information in Yellow may not be correct or is missing for this instrument!!!

Brief Instrument Description

An Apogee camera is used as a slit viewing camera for DIS. The on axis camera, made by Apogee Instruments, uses an 512x512 thinned, back-side illuminated SITe CCD for imaging the DIS slit. The 24 micron pixels give an angular pixel size of 0.31 arcsec/pixel, with a total square field of view of 150 arcsec on a side. There are no filters in the cameras light path as it's typical usage is for field target aquisition and not specifically science (although the chip is capable of science observations).

Camera

• Camera manufacturer Apogee AP7
• CCD is a SITe SI-502A 512 x 512 back illuminated CCD
• CCD pixel size = 24 µm
• CCD gain = 4.5 e^-/ADU
• CCD read noise = 7-11 e^- / pixel
• Quantum Effeciency ~85% @ 680nm
• Dark Current: 1 e- / second
• Pixel scale = 0.298"/pixel binned 1x1
• Full well depth: 350k e^-
• Saturation at 64K
• Installed filters (User selectable): N/A
• Available gratings (Observing Specialist installable): N/A
• Grating resolution: N/A
• Spectral Coverage: N/A
• Field of View: 159" x 159"
• Minimum Exposure: 0.02s