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Multiple Star Systems

All articles tagged with #multiple star systems

astronomy2 years ago•2 min saved

"New Images Confirm Multiple Births of Massive Stars"

New images from the ALMA radio observatory confirm that a crowded star cluster, G333.23-0.06, is birthing groups of three, four, and five stars, consistent with star formation models. These observations provide evidence for a specific scenario for high-mass star formation and reveal that the young stars in the cluster don't have disks of dust and gas around them, indicating they are forming via a different process known as "core fragmentation." Further analyses of other star clusters are expected to provide more insights into the early stages of multiple star formation.

via Space.com|

#alma #astronomical-observations #astronomy

astronomy2 years ago•3 min saved

"Chinese Scientists Discover Unique Triple Formation in Real-world 'Three-Body' Star System"

Chinese scientists have made significant observations of a real-world triple-star system, reminiscent of the "three-body" problem described in Liu Cixin's novel. Using data from NASA's TESS, the researchers studied the GW Ori system, providing insights into the structure and evolution of complex multiple star systems. The system, located 1,300 light years away, consists of two stars orbiting each other while a third star orbits the pair. The study revealed fast rotational periods for the stars and highlighted the intricate gravitational interactions within such systems. The upcoming China Space Station Telescope is expected to provide further understanding of these fascinating celestial phenomena.

via South China Morning Post|

#astronomy #celestial-observations #chinese-scientists

astronomy2 years ago•3 min saved

Machine-learning study shows first stars formed in groups.

Researchers at the Kavli Institute for the Physics and Mathematics of the Universe in Tokyo have used machine learning to study the heavy elements that the first stars in the universe passed on to their immediate successors after they exploded in supernovae. The team found evidence that most of the first generation of stars in the universe existed in systems of two or more stars. The study suggests that the first stars formed in a multiple star system or in a cluster of stars, which was indicated in theoretical simulations, but has never been confirmed with observations before.

via physicsworld.com|

#astronomy #first-stars #heavy-elements