Tag Archive for 'S cluster'

This image indicates the location of the binary star D9, which is orbiting Sagittarius A*, the supermassive black hole at the center of our Milky Way Galaxy. Image credit: ESO / Peißker et al. / S. Guisard.

Binary Star System Detected Close to Milky Way’s Central Black Hole

Dec 17, 2024 by News Staff

Using data from ESO’s Very Large Telescope (VLT) and Keck telescope, astronomers have discovered a binary star system in the S star cluster close to...

The view of the Galactic center observed with the NIRC2 instrument on the Keck II telescope at the W.M. Keck Observatory. This image is high-pass filtered and shows the position of several S stars close to Sgr A*, which is indicated by a black cross. The star in the white dashed circle shows a magnitude of 16.3 mag, while the star in the blue circle is 17 mag faint. Here north is up and east is to the left. Image credit: Peissker et al., doi: 10.3847/1538-4357/ac752f.

Fast-Moving Star Orbits Milky Way’s Central Black Hole in Just Four Years

Jul 6, 2022 by Natali Anderson

The newly-found star, named S4716, reaches a speed of 8,000 km/sec and comes as close as 98 astronomical units (AU) to Sagittarius A*, a supermassive black...