File:Salacia and Actaea Keck-NIRC2.jpg
Salacia_and_Actaea_Keck-NIRC2.jpg (492 × 492 pixels, file size: 98 KB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionSalacia and Actaea Keck-NIRC2.jpg |
English: Adaptive-optics image of the trans-Neptunian object (120347) Salacia (center) and its moon Actaea (left), taken by the Keck II telescope's NIRC2 near-infrared camera on 3 August 2010 09:47:17.78 UTC. This is a single 100-second exposure from the frame N2.20100803.35237_drp. These observations were part of the program "Mutual Orbits of Transneptunian Multibody Systems", led by principal investigator William Grundy. |
Date | |
Source |
Cropped from image N2.20100803.35237_drp at the Keck Observatory Archive |
Author | William Grundy/Keck Observatory Archive/W. M. Keck Observatory (WMKO)/NASA Exoplanet Science Institute (NExScI; JPL-Caltech) |
Permission (Reusing this file) |
"Unless otherwise noted, images and video on Infrared Processing and Analysis Center (IPAC) public web sites (public sites ending with a ipac.caltech.edu address) may be used for any purpose without prior permission" https://koa.ipac.caltech.edu/image_policy.html |
Other versions |
|
Licensing
[edit]Public domainPublic domainfalsefalse |
This file is in the public domain because The W. M. Keck Observatory on behalf of IPAC releases telescope images as PD: "may be used for any purpose without prior permission"[1]
This template must not be used to dedicate an uploader's own work to the public domain; CC0 should be used instead. This work must carry justifications for free usability in both the United States and its country of origin. |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 02:08, 3 January 2023 | 492 × 492 (98 KB) | Nrco0e (talk | contribs) | Better single-frame image from N2.20100803.35237_drp.fits. Original pixel size is increased by 4x to avoid upscale blurring. | |
01:29, 3 January 2023 | 80 × 80 (3 KB) | Kwamikagami (talk | contribs) | crop further | ||
01:26, 3 January 2023 | 176 × 176 (8 KB) | Kwamikagami (talk | contribs) | upload img without artefacts | ||
22:36, 2 January 2023 | 140 × 143 (9 KB) | Kwamikagami (talk | contribs) | Uploading a non-free file using File Upload Wizard |
You cannot overwrite this file.
File usage on Commons
The following 4 pages use this file:
File usage on other wikis
The following other wikis use this file:
- Usage on ar.wikipedia.org
- Usage on arz.wikipedia.org
- Usage on cs.wikipedia.org
- Usage on cv.wikipedia.org
- Usage on de.wikipedia.org
- Usage on el.wikipedia.org
- Usage on en.wikipedia.org
- Usage on eo.wikipedia.org
- Usage on es.wikipedia.org
- Usage on fa.wikipedia.org
- Usage on fi.wikipedia.org
- Usage on fr.wikipedia.org
- Usage on ga.wikipedia.org
- Usage on gl.wikipedia.org
- Usage on hr.wikipedia.org
- Usage on it.wikipedia.org
- Usage on ja.wikipedia.org
- Usage on ko.wikipedia.org
- Usage on kv.wikipedia.org
- Usage on lv.wikipedia.org
- Usage on min.wikipedia.org
- Usage on nl.wikipedia.org
- Usage on no.wikipedia.org
- Usage on pl.wikipedia.org
- Usage on pt.wikipedia.org
- Usage on ro.wikipedia.org
- Usage on ru.wikipedia.org
- Usage on simple.wikipedia.org
- Usage on sk.wikipedia.org
- Usage on sv.wikipedia.org
- Usage on tr.wikipedia.org
- Usage on vi.wikipedia.org
- Usage on www.wikidata.org
- Usage on wuu.wikipedia.org
- Usage on zh.wikipedia.org
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.
Width | 1,024 px |
---|---|
Height | 1,024 px |
Bits per component | 16 |
Compression scheme | Uncompressed |
Pixel composition | Black and white (Black is 0) |
Number of components | 1 |
Number of rows per strip | 512 |
Horizontal resolution | 96 dpi |
Vertical resolution | 96 dpi |
Data arrangement | chunky format |
Software used | paint.net 4.3.12 |