News Release Archive:

News Release 139 of 828

July 10, 2008 09:00 AM (EDT)

News Release Number: STScI-2008-25

What's My Age? Mystery Star Cluster Has 3 Different Birthdays

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Image: Small Region of ACS Field Reveals Faint White Dwarfs

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ABOUT THIS IMAGE:

A blow-up of view of a small region of the Advanced Camera for Surveys field reveals very faint white dwarfs. The hotter dwarfs are 4 billion years old and the cooler dwarfs are 6 billion years old.

Object Name: NGC 6791

Image Type: Astronomical

Credit: NASA, ESA, and L. Bedin (STScI)

NEWS RELEASE IMAGES

The above image is part of a montage:

Montage Image: White Dwarf Stars in Open Cluster NGC 6791 Image Type: Astronomical/Illustration

PRC2008-25 NGC 6791: Digitized Sky Survey View Image Type: Astronomical

NGC 6791: Full Hubble ACS Field Image Type: Astronomical

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