New findings from NASA’s Hubble Space Telescope have helped astronomers unravel the mystery of why it faded dramatically for a period of weeks last year.
Astrophysicists from NASA and the University of Minnesota, in an investigation of Minneapolis’ huge red hypergiant VY Canis Magicis, found that similar processes were taking place on a large scale.
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The observation was published in the February 4, 2021 edition of the Astronomical Journal, where the authors wrote that imaging and spectroscopy “confirm the record of high mass-loss events in the last few hundred years.”
“The similarity of this correspondence in VY [Canis Majoris] Recently, they said, the vague slowdown of the Battlesews and the flow of gas have become apparent. “Evidence of uniform flow from the surface of the more common red supergiant suggests that independent pores are more common and that surface or sensitive activity is a major source of large-scale damage to red supergents.”
In a press release from NASA on Thursday, Roberta Humphrey, a distinguished professor at the University of Minnesota, explained that Hubble data shows VY Canis majors behaving like Battlege “on steroids.”
Hypergiant star V.Y. This artist’s impression of Kanis Majaris reveals the star’s vast convection cells and huge arcs. Credits: NASA, ESA, and R. Humphries (University of Minnesota), and J. Almted (STSCI)
In the case of a small star, the researchers say that dimming was due to the flow of gas that formed dust that temporarily blocked the star’s light.
“I think the big solution about these results is to get a massive exit or exit from the star you see. [Hubble] Its light, observed over two centuries as measured in images and spectra, has great variability and relationships with deep nada minima, ”Humphrey told Fox News on Friday.
“We think this is largely due to surface activity or expression responsible for aerated disruption.” “For example, we know that the sun has flares and gas flows that we see as predominant.”
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“In VY Canis Majoris – 30 [times the] Set [the] The sun and, 000,000,000 brighter – it’s more extreme, “he said.” This aerated flow can be up to 10 times the mass of Jupiter. “
V.Y. The plasma arcs around Canis Majaris appear to have been cast from Earth by the Earth and thousands of times the distance from it over the last few hundred years.
However, other constructions near the million-year-old star – which looks like a tumor – are relatively dense, and scientists working with Humphrey were able to date recent eruptions in the 19th and 20th centuries, when V.Y. Its original brightness VI.
The publication notes that the hypergiant loses 100 times its mass in batalas and is now visible only through binoculars.
“This is more common in red supergiants than scientists thought, and VY Canis majors are an extreme example,” he said in a statement. “It could also be the main mechanism that drives large losses, which has always been a mystery to red supergiants.”
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The future of the starter is uncertain, but Humphrey said the star is “apparently unstable.”
That massive loss, he said, would determine its ultimate fate as a supernova or black hole.
