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VFTS 682, Stars in the Magellanic Cloud Loneliness

Posted by Mahendra blog Monday, June 27, 2011

VFTS 682, Stars in the Magellanic Cloud Loneliness
Using the Very Large Telescope (VLT) in Chile, astronomers found the star named VFTS 682 in the Tarantula Nebula, Large Magellanic Cloud, a small neighboring galaxy to our Milky Way galaxy.
The star is more versatile than the Sun, has a mass 150 times greater than the Sun and 3 million times more luminous than the Sun.
However, unlike the 682 VFTS size and stars are typically found in dense star clusters. VFTS 682 which is one of the brightest star ever discovered and has a surface temperature of up to 50,000 degrees Celsius is apparently a lonely star.
As quoted Astronomy Now, Joachim Bestenlehner of Armagh Observatory in Northern Ireland who led the study, said, "We were very surprised to find that the star of turned out to be alone, not located in a dense star cluster." Until now, according to Bestenlehner, the origin of the star is still mysterious.
Because the Tarantula Nebula lies adjacent to the star forming regions and close to the group VFTS R136 682, then the astronomers suspect that the first 682 VFTS not alone. According to astronomers, VFTS 682 may be formed in clusters R136 and subsequently ejected to exist in isolation.
The explanation may be the answer to the riddle origins VFTS 682. But, if that were true, one more question arise. What kind of energy that could catapult for VFTS 682 stars from from the place?
To be sure, these findings will challenge the understanding of evolved massive stars now. The findings were published in the journal Astronomy & Astrophysics.


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