NASA investigates into a galaxy that erupts every 114 days

While outer is full of enigmatic phemen, one particular galaxy has left experts at National Aeronautics and Administration (NASA) puzzled. ncy is w investigating into a galaxy spotted 570 million light-years away which periodically erupts every 114 days. Neil Gehrels Swift Observatory and Transiting Exoplanet Survey Satellite (TESS), which first observed outburst, said that eruption has occurred for 20 times till w.

“se are most predictable and frequent recurring multiwavelength flares we’ve seen from a galaxy’s core, and y give us a unique opportunity to study this extragalactic Old Faithful in detail. We think a supermassive black hole at galaxy’s centre creates bursts as it partially consumes an orbiting giant star,” Anna Payne, a Nasa Graduate Fellow at University of Hawai’i at Māa said in a statement.

Three possible explanations

In aftermath, NASA had laid out three possible explanations for outburst named ASASSN-14ko. first is that it is caused by interactions between disks of two orbiting black holes. Recent data shows that two black holes exist, but y do t seem to orbit closely eugh to cause flares. second possibility is that a passing star was intercepted by black hole, but since flares have been consistent with regard to ir shape, scientists deem this unlikely. third and most plausible explanation talks of a partial tidal disruption event, when a star gets too close to a black hole and matter is continually siphoned off. star’s orbit is t circular, meaning each time it approaches black hole it gets closer and more mass is depleted.

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“ASASSN-14ko is currently our best example of periodic variability in an active galaxy, despite decades of or claims, because timing of its flares is very consistent over six years of data Anna and her team analyzed,” said Jeremy Schnittman, an astrophysicist at NASA’s Goddard Flight Center in Greenbelt, Maryland, who studies black holes but was t involved in research. “This result is a real tour de force of multiwavelength observational astromy,” NASA said in a statement. 

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