File:Stephenson 2-18 and its surroundings.png
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Size of this preview: 800 × 431 pixels. Other resolutions: 320 × 173 pixels | 640 × 345 pixels | 1,278 × 689 pixels.
Original file (1,278 × 689 pixels, file size: 2.17 MB, MIME type: image/png)
Captions
Captions
An image of the Red supergiant star/Red hypergiant star Stephenson 2-18. It is one of the the largest stars known.
Summary
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| Description |
English: The image depicts one of the largest stars known, Stephenson 2-18, and its supposed and debated parent cluster, Stephenson 2, which contains numerous red supergiant stars. Stephenson 2-18 is a large, luminous, extreme and unusually cool red supergiant or even red hypergiant. In this infrared image from the IRAC HEALPix from the Spitzer Space telescope's missions, Stephenson 2-18 glows bright, as it has immense Infrared excess caused by extreme mass loss events, in part due to its extremity. Numerous other large and luminous stars are also depicted, including Stephenson 2-DFK 49, a possible post-red supergiant star, IRAS 18357-0604, an extreme yellow hypergiant and Stephenson 2-03 or Stephenson 2-DFK 2, another large and unusually cool red supergiant. |
| Date | |
| Source | IRAC HEALPix survey in color from the Spitzer Space Telescope. |
| Author | Aladin Lite |
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:14, 3 November 2022 | | 1,278 × 689 (2.17 MB) | The Space Enthusiast (talk | contribs) | Enlarged image as well as field of view and removed reticle. |
| 06:52, 2 November 2022 |  | 1,196 × 634 (1.62 MB) | The Space Enthusiast (talk | contribs) | Uploaded a work by Aladin Lite from IRAC HEALPix survey in color from the Spitzer Space Telescope. with UploadWizard |
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