File:IGRINS-2 First-Light spectrum.jpg
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![File:IGRINS-2 First-Light spectrum.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/IGRINS-2_First-Light_spectrum.jpg/800px-IGRINS-2_First-Light_spectrum.jpg?20240116135310)
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[edit]DescriptionIGRINS-2 First-Light spectrum.jpg |
English: This mosaic shows the two IGRINS-2 spectra of NGC 7027, nicknamed the Jewel Bug Nebula, captured by the Gemini North telescope, one half of the International Gemini Observatory operated by NSF’s NOIRLab. NGC 7027 is one of the visually brightest planetary nebulae, and its resplendent rosette — made of layers of gas ejected during the dying breaths of its central star — makes for an exciting first light target whose spectrum illustrates the power of Gemini North’s new instrument.The two IGRINS-2 spectra shown here, which were produced in the same single observation, measure light from around 1.49 µm to around 2.46 µm. The bright lines in the rainbow are like the fingerprints of the gasses present in the nebula. Notice how the emission lines have a V-shape. This is due toNGC 7027’s expanding gas bubble, with some gas moving towards the observer and some gas moving away along the observer's line of sight. Some lines appear sharp due to very dense layers of hydrogen which light can't penetrate much, while some appear fuzzy due to the less dense hydrogen layers.
Español: Este mosaico muestra los dos espectros de NGC 7027 obtenidos por IGRINS-2, capturado por el telescopio Gemini Norte, mitad boreal del Observatorio Internacional Gemini que opera NOIRLab de NSF. NGC 7027 es una de las nebulosas planetarias más brillantes visualmente, la que además tiene una resplandeciente roseta formada por capas de gas eyectado durante los estertores agónicos de su estrella central, lo que la convierte en un candidato ideal para una primera luz, cuyo espectro ilustra el poder del nuevo instrumento de Gemini Norte. Los dos espectros de IGRINS-2 que se ven aquí fueron obtenidos en la misma observación, y miden la luz desde aproximadamente 1,49 µm hasta aproximadamente 2,46 µm. Las líneas brillantes del arco iris son como las huellas dactilares de los gases presentes en la nebulosa.
Observe cómo las líneas de emisión tienen forma de V. Esto se debe a la burbuja de gas en expansión de NGC 7027, con una parte del gas moviéndose hacia el observador y otra parte alejándose a lo largo de la línea de visión de él. Algunas líneas aparecen nítidas debido a capas muy densas de hidrógeno que la luz no puede penetrar mucho, mientras que otras aparecen borrosas debido a las capas menos densas de hidrógeno. |
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Source | https://noirlab.edu/public/images/noirlab2331a/ |
Author | International Gemini Observatory/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. |
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current | 13:53, 16 January 2024 | ![]() | 1,280 × 652 (139 KB) | Sandra1110a (talk | contribs) | Uploaded a work by International Gemini Observatory/NOIRLab/NSF/AURA from https://noirlab.edu/public/images/noirlab2331a/ with UploadWizard |
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Source | NSF's NOIRLab |
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Credit/Provider | International Gemini Observatory/NOIRLab/NSF/AURA Image Processing: M. Zamani (NSF’s NOIRLab) |
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Date and time of data generation | 09:00, 13 November 2023 |
Software used | Adobe Photoshop 25.0 (Windows) |
File change date and time | 21:59, 2 November 2023 |
Date and time of digitizing | 18:15, 18 October 2023 |
Date metadata was last modified | 22:59, 2 November 2023 |
Unique ID of original document | xmp.did:1bb4fabe-a04c-e24b-88f6-04872c57f1a2 |
Keywords | NGC 7027 |
Contact information |
950 North Cherry Ave. Tucson, AZ, 85719 USA |
IIM version | 4 |
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13 November 2023
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