File:The Orion Bar region (upscaled MIRI image) (weic2315c).tiff
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editDescriptionThe Orion Bar region (upscaled MIRI image) (weic2315c).tiff |
English: An international team of scientists have used data collected by the NASA/ESA/CSA James Webb Space Telescope to detect a molecule known as the methyl cation (CH3+) for the first time, located in the protoplanetary disc surrounding a young star. They accomplished this feat with a cross-disciplinary expert analysis, including key input from laboratory spectroscopists. The vital role of CH3+ in interstellar carbon chemistry has been predicted since the 1970s, but Webb’s unique capabilities have finally made observing it possible — in a region of space where planets capable of accommodating life could eventually form.This hazy image is Webb’s view of a small region of the Orion Nebula, made with its MIRI instrument. Filled with gas and dust, the Orion Nebula is a rich star-forming region. The newborn and young stars emit harsh ultraviolet radiation that ionises the nebula, causing it to emit light at infrared wavelengths. MIRI is sensitive to long-wavelength, mid-infrared emission, highlighting the layers of hot gases on each side of the Orion Bar that stretches through the centre. The area captured here by MIRI is much smaller than the NIRCam view, but contains a remarkable amount of detail, thanks to MIRI’s unprecedented sensitivity at these longer wavelengths.This zoomed-in MIRI view of the Orion Bar contains the young star-protoplanetary disc system, named d203-506, that the team of astronomers scoured for key organic molecules. MIRI’s contribution to the view of d203-506 was critical to obtaining the widest range of spectra of the system, necessary to confirm their detection of the methyl cation. In particular, the molecule has a strong spectral line at around 7 microns, a wavelength that is impossible to detect through Earth’s atmosphere, but with MIRI’s in-built spectroscopy the team was able to unambiguously confirm the methyl cation’s presence.This version of the MIRI image has been scaled up, to match the scale of the larger NIRCam image. You can find the image in its original scale here.[Image description: A nebula made of many layers of cloudy, colourful material. In the top-left the nebula is coloured in greens, reds and yellows with a webbed, filament structure, two small stars and a darker gap region. A wall of thick, cloudy material crosses diagonally, extending towards the bottom right. It gives way to dark blue, sparse filaments with more dark gaps in the bottom corner. The image is hazy and unfocused.] |
Date | 26 June 2023 (upload date) |
Source | The Orion Bar region (upscaled MIRI image) |
Author | ESA/Webb, NASA, CSA, M. Zamani (ESA/Webb), the PDRs4All ERS Team |
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editESA/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: ESA/Webb, NASA, CSA, M. Zamani (ESA/Webb), the PDRs4All ERS Team
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current | 10:01, 27 June 2023 | 1,275 × 1,252 (9.17 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://esawebb.org/media/archives/images/original/weic2315c.tif via Commons:Spacemedia |
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Width | 1,275 px |
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Height | 1,252 px |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Image data location | 28,750 |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 1,252 |
Bytes per compressed strip | 9,577,800 |
Horizontal resolution | 25.4 dpi |
Vertical resolution | 25.4 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop 24.4 (Windows) |
File change date and time | 00:43, 3 June 2023 |
Color space | Uncalibrated |