Gaia BH3 (Gaia DR3 4318465066420528000) is a binary system consisting of a metal-poor giant star with spectral type G and a stellar-mass black hole. Gaia BH3 is located 1926 light years away (590.6 ± 5.8 pc away) in the constellation of Aquila. Gaia BH3 is the first black hole discovered from preliminary Gaia DR4 astrometric data. [2]

2024年4月17日 · The most massive stellar black hole in the Milky Way is now Gaia BH3. It has a mass 33 times that of our sun. Gaia BH3 is located 2,000 light-years away in the constellation Aquila, making it...

2024年4月16日 · Through rigorous analysis, researchers determined that this black hole, dubbed Gaia BH3, boasts an astonishing mass roughly 33 times that of our Sun, making it the most massive of its kind...

2024年4月16日 · Gaia-BH3 is located just 2,000 light years from Earth, making it the second-closest black hole to our planet ever discovered. The closest black hole to Earth is Gaia-BH1 (also discovered by...

2024年4月16日 · The star orbiting Gaia BH3 at about 16 times the Sun–Earth distance is rather uncommon: an ancient giant star, that formed in the first two billion years after the Big Bang, at the time our galaxy started to assemble. It belongs to the family of the Galactic stellar halo and is moving in the opposite direction to the stars of the Galactic disc.

2024年4月16日 · BINARYS is a tool allowing to combine the Hipparcos and/or Gaia absolute astrometric data with relative astrometry and/or radial velocity measurements to determine the orbits of binary systems. BINARYS has been updated to work with Gaia BH3 data and was originally already published on the Gaia Community Tools page. This tool can be found from ...

2024年4月24日 · Variations in the position and radial velocity of a star located in the Aquila constellation revealed the presence of another extremely massive object emitting no light, the black hole Gaia BH3. The two bodies perform an intricate dance around each other, with each orbit lasting a little over eleven years.

2024年4月16日 · Gaia BH3 is a dormant black hole as it does not have a companion close enough to steal matter from and does not generate any light. It is therefore much harder to spot. Currently, there are about 50 confirmed or suspected black holes in our galaxy, but theory predicts there is a hidden population of thousands or millions, due to the number of ...

2024年5月9日 · The newfound black hole, an intense, light-trapping abyss which has been named Gaia BH3, lurks just 1,926 light-years from Earth in the Aquila constellation. (That makes it the second closest...

2024年4月17日 · Here we explore the relationship between this black hole, known as Gaia BH3, and the nearby ED-2 halo stellar stream. We study the orbital characteristics of the Gaia BH3 binary and present measurements of the chemical abundances of ED-2 member stars derived from high-resolution spectra obtained with the VLT.