File:Thor’s Helmet, NGC 2359, IC 468 (noao-ic468).tiff
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Original file (2,350 × 2,718 pixels, file size: 17.49 MB, MIME type: image/tiff)
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DescriptionThor’s Helmet, NGC 2359, IC 468 (noao-ic468).tiff |
English: This image was obtained with the wide-field view of the Mosaic camera on the KPNO 0.9m-meter telescope at Kitt Peak National Observatory. Informally known as ‘Thor’s Helmet’, NGC 2359 (IC 468) is a giant bubble that is being blown off of the Wolf-Rayet star HD 56925. Wolf-Rayet stars are extremely massive stars that are very hot and luminous. Their intense energy blows off the outer layers, causing the bubble shape seen here. The complex shape of the bubble is due to its interaction with dust and gas in which the star is embedded. The image was generated with observations in Hydrogen alpha (orange), Oxygen [OIII] (blue) and Sulfur [SII] (violet) filters. In this image, North is left, East is down. |
Date | 30 June 2020, 21:34:00 (upload date) |
Source | Thor’s Helmet, NGC 2359, IC 468 |
Author | T.A. Rector (University of Alaska Anchorage) and NOIRLab/NSF/AURA |
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This media was created by the National Optical-Infrared Astronomy Research Laboratory (NOIRLab).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public NOIRLab website, along with the texts of press releases, announcements, images of the week and captions; are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. | |
This file is licensed under the Creative Commons Attribution 4.0 International license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:49, 17 September 2023 | 2,350 × 2,718 (17.49 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/original/noao-ic468.tif via Commons:Spacemedia |
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Width | 2,350 px |
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Height | 2,718 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 37 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS6 (Macintosh) |
File change date and time | 13:05, 25 April 2014 |
Color space | sRGB |
Structured data
image/tiff
2,718 pixel
2,350 pixel
18,334,830 byte
55e843198c24d5ee5a1fc00a93ecd059787ab3a9
30 June 2020
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