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News Release Archive:

News Release 528 of 948

February 15, 2002 12:30 PM (EST)

News Release Number: STScI-2002-06

New Instrument Package to Expand Space Telescope's Vision

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Image: ACS's Survey Mode is Ten Times Faster than the Present Camera

ACS's Survey Mode is Ten Times Faster than the Present Camera Artist's Concept

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ABOUT THIS IMAGE:

Simulated globular star cluster field as viewed by the current HST imaging camera (WFPC2) and by the ACS Wide Field Camera. In this illustration, both instruments are used in survey mode to image the star cluster to the same absolute flux limit (the same "depth"). The outlines of the field of view for each instrument are shown in green. In the same total exposure time, the ACS instrument can image to the same depth an area ten times larger than WFPC2 can.

Image Type: Illustration

Credit: NASA and the ACS Science Team

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