New Star Discoveries Found in Antique Telescope Plates
by Clara Moskowitz, SPACE.com Assistant Managing Editor
Date: 26 January 2012 Time: 07:00 AM ET
The discoveries come from a new analysis of the 500,000 plates made by the Harvard College Observatory from the 1880s through the 1980s, covering the whole sky. The trove of old-school data has offered astronomers an unprecedented look at how stars change over long timescales.
"The Harvard College observatory has the most wonderful, best collection [of photographic plates] in the world," said Harvard graduate student Sumin Tang, who works on the plate analysis program. "It's a very unique resource because it's over 100 years. No other data set could do this."
Glenn A. Walsh, Project Director,
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