Using NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a triply-eclipsing star system. The newfound system, designated TIC295741342, consists of two sun-like stars in an eclipsing binary and a giant tertiary companion, which orbits the binary. The finding was reported in a paper published May 19 on the arXiv pre-print server.
TESS is conducting a survey of about 200,000 bright stars near the sun with the aim of searching for transiting exoplanets. Besides identifying alien worlds, TESS is also a very useful tool in analyzing binary systems, tracking how mutual stellar eclipses twist and distort gravitational fields.
Triply and triple
Now, a team of astronomers led by Brian P...
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