File:Gemini North’s New 3D Vision (iotw2342a).tiff
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[edit]DescriptionGemini North’s New 3D Vision (iotw2342a).tiff |
English: Over the past two decades, the Gemini Near-Infrared Spectrograph (GNIRS) on the Gemini North telescope has peered into faraway quasars, ancient galaxies, and puzzling brown dwarfs. Now, this incredibly productive instrument of the International Gemini Observatory, operated by NSF's NOIRLab, is equipped with an integral field spectrograph. This upgrade effectively gives Gemini North ‘3D vision'. As illustrated in this infographic, GNIRS can now take a 2D field of view and extract a spectrum out of every pixel in near infrared. Standard spectroscopy would create this spectrum for only the entire field of view.This week’s Image of the Week shows the new spectroscopic capacity of GNIRS using NGC 6240 (nicknamed the Starfish Galaxy). The galaxy is a messy merger between two, maybe even three, smaller galaxies. At the center of the NGC 6240 are two distinct cores, seen in the infographic as two columns inside the spectrum. Studies have shown that these cores are — at least — two supermassive black holes from the original centers of the merging galaxies. By examining the spectrum of each individual pixel, astronomers can better explore the complexity of this galaxy and other celestial objects with one of the largest optical telescopes on Earth.You can examine NGC 6240 yourself with this detailed image taken by the Dark Energy Camera (DECam). DECam was made by the U.S. Department of Energy (DOE) and is mounted on the Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory in Chile, another Program of NOIRLab. |
Date | 18 October 2023 (upload date) |
Source | Gemini North’s New 3D Vision |
Author | International Gemini Observatory/NOIRLab/NSF/AURA/GNIRS Team Image processing: M. Rodriguez (Gemini Observatory/NSF’s NOIRLab), J. Miller (Gemini Observatory/NSF’s NOIRLab), & M. Zamani (NSF’s NOIRLab) |
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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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current | 08:36, 19 October 2023 | 5,068 × 3,704 (107.45 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/original/iotw2342a.tif via Commons:Spacemedia |
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Width | 5,068 px |
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Height | 3,704 px |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Image data location | 27,894 |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 3,704 |
Bytes per compressed strip | 112,631,232 |
Horizontal resolution | 10 dpc |
Vertical resolution | 10 dpc |
Data arrangement | chunky format |
Software used | Adobe Photoshop 23.3 (Windows) |
File change date and time | 00:40, 5 October 2023 |
Color space | Uncalibrated |