File:Striking image shows mass distribution of nearby galaxy cluster (noirlab2012a).tiff
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DescriptionStriking image shows mass distribution of nearby galaxy cluster (noirlab2012a).tiff |
English: Using the Dark Energy Camera at Cerro Tololo Inter-American Observatory, a Program of NSF’s NOIRLab, astronomers are measuring weak gravitational lensing to map the distribution of mass in nearby galaxy clusters. As well as producing remarkable images like this one, the information will shed light on the relationships between the constituent parts of nearby galaxy clusters, such as gas, stellar populations, and dark matter.The galaxy cluster Abell 3827 is the subject of this striking image. In addition to featuring a field of galaxies and foreground stars, the image is overlaid with a map with hues of red, blue and purple. Though they are attractive, these colors aren’t for decoration — they represent the distribution of mass in the heart of Abell 3827 with red showing the largest mass concentration. |
Date | 1 July 2020, 13:26:00 (upload date) |
Source | Striking image shows mass distribution of nearby galaxy cluster |
Author | CTIO/NOIRLab/NSF/AURA |
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[edit]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 | 21:21, 2 September 2023 | 5,625 × 5,625 (241.44 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/original/noirlab2012a.tif via Commons:Spacemedia |
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Width | 5,625 px |
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Height | 5,625 px |
Compression scheme | Uncompressed |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 4 |
Number of rows per strip | 2 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop 21.1 (Windows) |
File change date and time | 17:01, 9 May 2020 |
Date and time of digitizing | 13:53, 5 May 2020 |
Color space | Uncalibrated |