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Update: Kepler Data Analysis Confirms Long-Term Dimming Of Tabby’s Star KIC 8462852 is a star that has,
over the past year, gripped the imagination of astronomers like no other. The
source of this intrigue? A series of dramatic and erratic dimming events that
can’t be explained by any phenomenon known to humans. A new study, accepted for publication in the
Astrophysical Journal, has only added to the enigma surrounding what has been
called the “most mysterious star
in our galaxy.” The study, co-authored by Caltech astronomer Ben Montet and Joshua Simon from the Carnegie Institute,
provides a detailed analysis of photometric data of the star gathered by
the Kepler space telescope between 2009 and 2013. In it, they reveal that the
star was definitely dimming at a rate that defies explanation over the four
years Kepler monitored it. For instance, in the first 1,000 days of Kepler’s
observations, the star’s luminosity dipped by roughly 0.3 percent per year.
Then, the star’s brightness dipped by a staggering 2 percent in a span of
just six months. 10/04 16 InternatioNAL bUSINESS
tIMES 10/04/16 BY ON http://www.ibtimes.com/alien-megastructure-star-update-kepler-data-analysis-confirms-long-term-dimming-2425946 |