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News Release Archive:

News Release 63 of 938

March 7, 2013 02:00 PM (EST)

News Release Number: STScI-2013-08

Hubble Finds Birth Certificate of Oldest Known Star

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Image: Oldest Star in Solar Neighborhood

Oldest Star in Solar NeighborhoodSTScI-PRC2013-08

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ABOUT THIS IMAGE:

This is a Digitized Sky Survey image of the oldest star with a well-determined age in our galaxy. The aging star, cataloged as HD 140283, lies 190.1 light-years away. Hubble Space Telescope was used to narrow the measurement uncertainty on the star's distance, and this helped refine the calculation of a more precise age of 14.5 billion years (plus or minus 800 million years).

The star is rapidly passing through our local stellar neighborhood. The star's orbit carries it through the plane of our galaxy from the galactic halo that has a population of ancient stars. The Anglo-Australian Observatory (AAO) UK Schmidt telescope photographed the star in blue light.

Object Name: HD 140283

Image Type: Astronomical

Credit: Digitized Sky Survey (DSS), STScI/AURA, Palomar/Caltech, and UKSTU/AAO

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