File:Omega Centauri (2024-015).png
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DescriptionOmega Centauri (2024-015).png |
English: An international team of astronomers has used more than 500 images from NASA's Hubble Space Telescope – spanning two decades of observations – to detect seven fast-moving stars in the innermost region of the globular star cluster Omega Centauri, the largest and brightest globular cluster in the sky. These stars provide new compelling evidence for the presence of the gravitational pull from an intermediate-mass black hole (IMBH) tugging on them. Only a few other IMBH candidates have been found to date.
Omega Centauri is visible from Earth with the naked eye and is one of the favorite celestial objects for stargazers living in the southern hemisphere. Although the cluster is 17,700 light-years away, located just above the plane of the Milky Way, it appears almost as large as the full Moon when seen from a dark rural area. The exact classification of Omega Centauri has evolved through time, as our ability to study it has improved. It was first listed in Ptolemy's catalog nearly 2,000 years ago as a single star. Edmond Halley reported it as a nebula in 1677. In the 1830s the English astronomer John Herschel was the first to recognize it as a globular cluster. Omega Centauri consists of roughly 10 million stars that are gravitationally bound. The cluster is about 10 times as massive as other big globular clusters – almost as massive as a small galaxy. ESA/Hubble, NASA, Maximilian Häberle (MPIA) |
Date | 10 July 2024 (upload date) |
Source | Omega Centauri |
Author | Image: ESA/Hubble, NASA, Maximilian Häberle (MPIA) |
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Keyword InfoField | Globular Clusters |
Licensing
[edit]Public domainPublic domainfalsefalse |
This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use. The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org. For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag. |
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Author | Space Telescope Science Institute Office of Public Outreach |
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Credit/Provider | ESA/Hubble, NASA, Maximilian Häberle (Max Planck Institute for Astronomy) |
Source | STScI |
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Date and time of data generation | 10 July 2024 |
Color space | sRGB |
Exif version | 2.31 |
Image width | 13,719 px |
Image height | 13,719 px |
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Height | 13,719 px |
Width | 13,719 px |
Pixel composition | RGB |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Contact information | outreach@stsci.edu
3700 San Martin Drive Baltimore, MD, 21218 USA |
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Date and time of digitizing | 10:10, 30 August 2022 |
Software used | Adobe Photoshop 25.6 (Windows) |
Date metadata was last modified | 11:11, 3 July 2024 |
File change date and time | 08:16, 2 July 2024 |
Unique ID of original document | xmp.did:e8f4b085-179f-f241-97a1-d7c3b057a7d4 |
Copyright status | Copyright status not set |