File:The Milky Way and the location of its central black hole as viewed from the Atacama Large Millimeter-submillimeter Array (eso2208-eht-mwc).tiff
Original file (4,412 × 2,832 pixels, file size: 18.9 MB, MIME type: image/tiff)
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Summary[edit]
DescriptionThe Milky Way and the location of its central black hole as viewed from the Atacama Large Millimeter-submillimeter Array (eso2208-eht-mwc).tiff |
English: This image shows the Atacama Large Millimeter/submillimeter Array (ALMA) looking up at the Milky Way as well as the location of Sagittarius A*, the supermassive black hole at our galactic centre. Highlighted in the box is the image of Sagittarius A* taken by the Event Horizon Telescope (EHT) Collaboration. Located in the Atacama Desert in Chile, ALMA is the most sensitive of all the observatories in the EHT array, and ESO is a co-owner of ALMA on behalf of its European Member States. |
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Date | 12 May 2022, 15:07 (upload date) | ||
Source |
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Author | ESO/José Francisco Salgado (josefrancisco.org), EHT Collaboration | ||
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Licensing[edit]
This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts 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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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:39, 15 August 2023 | 4,412 × 2,832 (18.9 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://cdn.eso.org/images/original/eso2208-eht-mwc.tif via Commons:Spacemedia |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Image title | This image shows the Atacama Large Millimeter/submillimeter Array (ALMA) looking up at the Milky Way as well as the location of Sagittarius A*, the supermassive black hole at our galactic centre. Highlighted in the box is the image of Sagittarius A* taken by the Event Horizon Telescope (EHT) Collaboration. Located in the Atacama Desert in Chile, ALMA is the most sensitive of all the observatories in the EHT array, and ESO is a co-owner of ALMA on behalf of its European Member States. |
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Camera manufacturer | NIKON CORPORATION |
Camera model | NIKON D700 |
Exposure time | 25/1 sec (25) |
F-number | f/2.8 |
ISO speed rating | 2,500 |
Date and time of data generation | 00:54, 17 June 2010 |
Lens focal length | 14 mm |
Width | 4,412 px |
Height | 2,832 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 19 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop 23.2 (Windows) |
File change date and time | 10:18, 25 March 2022 |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 00:54, 17 June 2010 |
APEX shutter speed | −4.643856 |
APEX aperture | 2.970854 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Subject distance | 4,294,967,295 meters |
Metering mode | Center weighted average |
Light source | Unknown |
Flash | Flash did not fire |
DateTimeOriginal subseconds | 17 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 14 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |