science

The James Webb Space Telescope notes that Earndale: the farthest known star

At the end of March this year NASA It was announced that the Hubble Space Telescope he noticed The farthest known and named star erendell (In honor of a character found in J. R. R. Tolkien’s The Silmarillion.) now too James Webb Space Telescope He was able to glance at that expanse of sky to be able to observe it.


Interference between Hubble and Webb images (identifiable by the “six rays” of the central star)

As in other cases, the gravity lens allowing you “Zoom” Normally stars and galaxies that are placed behind objects of large mass (with shape distortion). Thus, it was possible to highlight the presence of The star Earndale and it’s about 12.9 billion light-years from Earth. The images themselves are less spectacular than those of galaxies and other celestial structures (visible In the first pictures released, for example) but the data obtained is important.

The James Webb Space Telescope observed the star Earndale

The distant star was spotted by JWST shared with tweet in which it is written “We are pleased to share the first JWST image of Arendelle, the most distant known star in our universe, imaged and amplified by a massive group of galaxies. It was observed on Saturday. [ndr. il 30 luglio 2022] From JWST 2282″.

Click on the image to enlarge it to maximum resolution

Galaxies group that allows you to strengthen the celestial body thanks to gravity lens is WHL0137-08 while erendell (its name is WHL0137-LS) It appears as a string of pearls where the star is visible many times due to this phenomenon. Thanks to tools like Hubble and more with James Webb Space Telescope It would be possible to learn details about the structure of single stars that are very distant (not necessarily within galaxies).

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star earendel jwst

The star, located in the constellation Pisces, had already been included at the time of the announcement of its discovery among the future targets of Pisces. JWST Thanks to the ability to observe the things most affected by influence red shift (shift red). erendell And yet the star is no longer “Old” He’s never known since that precedence still belongs to him Methuselah (Its estimated age is 14.5 billion years).

The research team has not yet announced the scientific data that will only come later. The tool has reportedly been used Nircam With a note that lasted for three hours and five minutes. All that’s left now is to wait for the study (or other information) to be published while James Webb Space Telescope You will continue to watch the sky.

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Phil Schwartz

"Food expert. Unapologetic bacon maven. Beer enthusiast. Pop cultureaholic. General travel scholar. Total internet buff."

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