G2 is a puzzling intent in a heart of a Milky Way galaxy. It has been presumed that G2 is an measureless cloud of hydrogen gas on march to be devoured by Sagittarius A*, a supermassive black hole during a Milky Way’s center. However, rather than being ripped to patches by a exhilarated sobriety of a black hole, instead G2 has continued in a orbit.
“We are saying phenomena about black holes that we can’t watch anywhere else in a universe,” Ghez said. “We are starting to know a production of black holes in a approach that has never been probable before.”
Now, new investigate by a group led by Andrea Ghez of a University of California, Los Angeles has guarded a true, bizarre inlet of G2. According to a UCLA statement, Ghez and group found that G2 is indeed a span of binary stars that had been orbiting Sagittarius A* together. Now they have joined to form an intensely large star surrounded by gas and dust.
Ghez and colleagues used a visual and infrared telescopes during a W. M. Keck Observatory in Hawaii. The adaptive optics of those instruments offer a singular means of study Sagittarius A*, as they lessen a exaggeration effects of Earth’s atmosphere in genuine time.
G2 is one of a series of hulk stars being combined around a black hole as a strenuous sobriety fuses binary stars together. When such a merging occurs, a following hulk star inflates for some-more than a million years. G2 is during a finish of that process, and is now fast what Ghez termed “spaghetti-fication”, apropos elongated as it circles a black hole. The surrounding cloud of dirt and gas shaped as circuitously stars exhilarated a aspect of G2.
The new commentary were published on Nov 3rd in a biography Astrophysical Journal Letters.
G2 Survives Supermassive Black Hole In The Milky Way Galaxy.