November 28, 2022


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What was it about Sagittarius A*?  There is a strange phenomenon in the center of the Milky Way is interesting

What was it about Sagittarius A*? There is a strange phenomenon in the center of the Milky Way is interesting

A team of scientists led by Dr. Maciej Wielgus, an astrophysicist from the Max Planck Institute for Radio Astronomy in Germanyshining saw A point revolving around the center of the Milky Way. According to the participants in the notes, it is a hot gas bubble.

to her The orbit is similar to that of Mercury. However, while Mercury travels in 88 Earth days, it has been observed Bubble takes less than 70 minutes for this. Based on that Scientists chose the approximate speed of the objectIt is about 30% of the speed of light.

Dr Maciej Wielgus led the team that collected observational data using the ALMA telescopeconsisting of 66 radio antennas scattered over the Atacama Desert in Chile.

Telescopes were involved Event Horizon Telescope ProjectWho collected the data from the arc region A*. The team used information from ALMA to calibrate the remaining data from the EHT.

However, it turns out that There are more measurements collected by ALMAAnd it was just a coincidence that helped me notice it. Notes have been made Shortly after the X-ray burst at the center of the Milky WayWhat was discovered by Chandra Space Telescope belonging to NASA.

Scientists believe that such Gas flares are associated with bubbles of hot gas that are moving very quickly near a supermassive black hole. So far they’ve been spotted in infrared and X-rays, and now they are Also visible in radio observations made by ALMA. Most likely this was due to the cooling of the hot zone.

The data obtained is an invaluable aid in confirming the research on the basis of Data from the GRAVITY instrument at the Very Large Telescope (VLT) in Chile. they suggested it X-ray flashes Arise from Groups of gases orbiting black holes. The team hopes both GRAVITY and ALMA can track these flares in the visible light bands. This could be another milestone in understanding the nature of phenomena occurring in the immediate vicinity of arc A*.

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