File:NEID First Light Spectrum (annotated) (noirlab2004a).tiff
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DescriptionNEID First Light Spectrum (annotated) (noirlab2004a).tiff |
English: First light spectrum of 51 Pegasi as captured by NEID on the WIYN telescope with blowup of a small section of the spectrum. The right panel shows the light from the star, highly dispersed by NEID, from short wavelengths (bluer colors) to long wavelengths (redder colors). The colors shown, which approximate the true color of the starlight at each part of image, are included for illustrative purposes only. The region in the small white box in the right panel, when expanded (left panel), shows the spectrum of the star (longer dashed lines) and the light from the wavelength calibration source (dots). Deficits of light (dark interruptions) in the stellar spectrum, are due to stellar absorption lines — “fingerprints” of the elements that are present in the atmosphere of the star. By measuring the subtle motion of these features, to bluer or redder wavelengths, astronomers can detect the “wobble” of the star produced in response to its orbiting planet. |
Date | 8 January 2020 (upload date) |
Source | NEID First Light Spectrum (annotated) |
Author | Guðmundur Kári Stefánsson/Princeton University/Penn State/NOIRLab/NSF/KPNO/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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current | 23:48, 19 October 2023 | 8,091 × 3,774 (233 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/original/noirlab2004a.tif via Commons:Spacemedia |
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Width | 8,091 px |
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Height | 3,774 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 21.0 (Windows) |
File change date and time | 12:04, 4 January 2020 |
Date and time of digitizing | 19:15, 31 December 2019 |
Color space | Uncalibrated |