File:M82 (NIRCam image - longer wavelengths) (weic2410b).tiff
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Size of this JPG preview of this TIF file: 603 × 599 pixels. Other resolutions: 242 × 240 pixels | 483 × 480 pixels | 773 × 768 pixels | 1,031 × 1,024 pixels | 2,160 × 2,146 pixels.
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DescriptionM82 (NIRCam image - longer wavelengths) (weic2410b).tiff |
English: Astronomers used the NASA/ESA/CSA James Webb Space Telescope to look toward M82’s centre, where a galactic wind is being launched as a result of rapid star formation and subsequent supernovae. Studying the galactic wind can offer insight into how the loss of gas shapes the future growth of the galaxy.This image from Webb’s NIRCam (Near-Infrared Camera) instrument shows M82’s galactic wind via emission from sooty chemical molecules known as polycyclic aromatic hydrocarbons (PAHs). PAHs are very small dust grains that survive in cooler temperatures but are destroyed in hot conditions. The structure of the emission resembles that of hot, ionised gas, suggesting PAHs may be replenished by continued ionisation of molecular gas.In this image, light at 3.35 microns is coloured red, 2.50 microns is green, and 1.64 microns is blue (filters F335M, F250M, and F164N, respectively).[Image description: An edge-on spiral starburst galaxy with a bright white, glowing core set against the black background of space. A white band of the edge-on disc extends from lower left to upper right. Dark brown tendrils of dust are scattered thinly along this band. Many white points in various sizes — stars or star clusters — are scattered throughout the image, but are most heavily concentrated toward the centre. Many clumpy, red filaments extend vertically above and below the plane of the galaxy.] |
Date | 3 April 2024 (upload date) |
Source | M82 (NIRCam image - longer wavelengths) |
Author | NASA, ESA, CSA, STScI, A. Bolatto (UMD) |
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Licensing[edit]
ESA/Webb images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the webbtelescope.org website, use the {{PD-Webb}} tag.
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This file is licensed under the Creative Commons Attribution 4.0 International license.
Attribution: NASA, ESA, CSA, STScI, A. Bolatto (UMD)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:02, 5 April 2024 | 2,160 × 2,146 (7.2 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://esawebb.org/media/archives/images/original/weic2410b.tif via Commons:Spacemedia |
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Author | Space Telescope Science Institute Office of Public Outreach |
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Copyright holder | Public |
Width | 2,160 px |
Height | 2,146 px |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 40 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop 25.5 (Macintosh) |
File change date and time | 10:52, 7 March 2024 |
Exif version | 2.31 |
Date and time of digitizing | 14:10, 30 August 2022 |
Color space | sRGB |