![]() ![]() Dunlap Department of Astronomy and Astrophysics at the University of Toronto, and Chris Willott, with the National Research Council Canada's Herzberg Astronomy and Astrophysics Research Centre who is leading the research, gave them each a candy after they completed each task. Iyer, Dunlap Fellow at the Dunlap Institute for Astronomy & Astrophysics at the University of Toronto and co-lead author of the study.Īs each of the post-docs gathered and went through various steps of analysis, two senior researchers, Roberto (Bob) Abraham, a professor of astronomy and chair of the David A. "There was a lot of debate going on about whether these are young or old immediately, right off the bat," said Kartheik G. At stake: Exotic candy from a nearby store in Halifax. Wagers were made among the group: Old stars vs. ![]() While some believed the answer to be yes, others disagreed. Some wondered: Could this help answer whether or not globular clusters were relics of our ancient universe? The researchers studied the Sparkler galaxy located in Webb’s First Deep Field, and used JWST to determine that five of the sparkling objects around it are globular clusters. Due to these dozen dots surrounding it, the galaxy began to be referred to as the "Sparkler." Around it, several yellowish dots, likely groups of densely packed stars - thousands to millions of them - called globular clusters. To some members of the team, there was one particular galaxy that was intriguing: an elongated orange streak located nearly in the centre of the image. (NIRISS is the Canadian-made Near-Infrared Imager and Slitless Spectrograph camera on JWST.)Īmong the five images, one stood out from the rest: Thousands of galaxies piercing through the darkness white, orange and red dots dating back to a time when our universe was in its infancy. Part of the CAnadian NIRISS Unbiased Cluster Survey (CANUCS) team, they were anxious to see what new views of the universe the telescope might reveal. Last July, as the first images from the newly launched JWST were coming in, almost a dozen Canadian astronomers gathered around a table in Halifax. This is what intrigued a team of Canadian astronomers as they gazed at the first image ever released by JWST. And most importantly, astronomers want to know when they formed in relation to the Big Bang. (European Southern Observatory)īut it's unknown whether or not these stars formed before the galaxy itself did or after. ![]() The globular cluster Omega Centauri - with as many as ten million stars - is seen in all its splendour in this image captured with the wide field imager camera from the European Southern Observatory's La Silla Observatory. ![]()
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