File:M83 (MIRI image, scaled) (potm2310c).jpg
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[edit]DescriptionM83 (MIRI image, scaled) (potm2310c).jpg |
English: The spiral galaxy M83, which is also known as NGC 5236, was observed by Webb as part of a series of observations collectively titled Feedback in Emerging extrAgalactic Star clusTers, or FEAST. Another target of the FEAST observations, M51, was the subject of a previous Webb Picture of the Month. As with all six galaxies that comprise the FEAST sample, M83 and M51 were observed with both NIRCam and MIRI, two of the four instruments that are mounted on Webb.MIRI, or the Mid-InfraRed Instrument, makes observations in the mid-infrared, which spans wavelengths of light very different from optical wavelengths. Optical wavelengths in astronomy roughly correspond to the range of light waves that human eyes are sensitive to, and extend from about 0.38 to 0.75 micrometres (a micrometre, or micron, is one thousandth of a millimetre). By contrast, MIRI detects light from 5 to 28 micrometres — however, when it makes observations, it does not typically observe across this entire wavelength range all at once. Instead, MIRI has a set of ten filters that allow very specific regions of light through. For example, one of MIRI’s filters (dubbed F770W), allows light with wavelengths of 6.581 to 8.687 micrometres to pass through it. This image was compiled using data collected through just two of MIRI’s ten filters, near the short end of the instrument’s wavelength range. The result is this extraordinarily detailed image, with its creeping tendrils of gas, dust and stars. In this image, the bright blue shows the distribution of stars across the central part of the galaxy. The bright yellow regions that weave through the spiral arms indicate concentrations of active stellar nurseries, where new stars are forming. The orange-red areas indicate the distribution of a type of carbon-based compound known as polycyclic aromatic hydrocarbons (or PAHs) — the F770W filter, one of the two used here, is particularly suited to imaging these important molecules.[Image Description: A close-up view of a barred spiral galaxy. Two spiral arms reach horizontally away from the core in the centre, merging into a broad network of gas and dust which fills the image. This material glows brightest orange along the path of the arms, and is darker red across the rest of the galaxy. Through many gaps in the dust, countless tiny stars can be seen, most densely around the core.] |
Date | 31 October 2023 (upload date) |
Source | M83 (MIRI image, scaled) |
Author | ESA/Webb, NASA & CSA, A. Adamo (Stockholm University) and the FEAST JWST team |
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[edit]ESA/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, A. Adamo (Stockholm University) and the FEAST JWST team
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current | 10:01, 31 October 2023 | 8,311 × 2,683 (6.42 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://cdn.esawebb.org/archives/images/large/potm2310c.jpg via Commons:Spacemedia |
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Source | ESA/Webb |
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Credit/Provider | ESA/Webb, NASA & CSA, A. Adamo (Stockholm University) and the FEAST JWST team |
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Date and time of data generation | 10:00, 31 October 2023 |
Software used | Adobe Photoshop 25.0 (Windows) |
File change date and time | 00:27, 25 October 2023 |
Date and time of digitizing | 13:39, 24 August 2023 |
Date metadata was last modified | 02:27, 25 October 2023 |
Unique ID of original document | xmp.did:3a054393-9314-5942-bc51-291ffe9c3104 |
Keywords | M83 |
Contact information |
ESA Office, Space Telescope Science Institute, 3700 San Martin Dr Baltimore, MD, 21218 United States |
IIM version | 4 |