File:Close-up photo of DECam (noirlab2027e).tiff
From Wikimedia Commons, the free media repository
Jump to navigation
Jump to search
Size of this JPG preview of this TIF file: 399 × 599 pixels. Other resolutions: 160 × 240 pixels | 320 × 480 pixels | 511 × 768 pixels | 682 × 1,024 pixels | 1,364 × 2,048 pixels | 4,028 × 6,046 pixels.
Original file (4,028 × 6,046 pixels, file size: 37.01 MB, MIME type: image/tiff)
File information
Structured data
Captions
Summary
[edit]DescriptionClose-up photo of DECam (noirlab2027e).tiff |
English: The DECam focal plane consists of a science array of sixty-two 2048 X 4096 CCDs. Additionally there are four 2048 X 2048 guider CCDs and eight 2048 X 2048 focus and alignment CCDs. The quantum efficiency of these LBNL-designed CCDs with their anti-reflective coating is red optimized to be > 90% at 900 nm and over 60% over the range of 400-1000 nm. The DES CCDs were fabricated by Dalsa with further processing done by LBNL. They were then packaged and tested by Fermilab. |
Date | 27 October 2020 (upload date) |
Source | Close-up photo of DECam |
Author | DOE/FNAL/DECam/R. Hahn/CTIO/NOIRLab/NSF/AURA |
Other versions |
|
Licensing
[edit]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. | |
This file is licensed under the Creative Commons Attribution 4.0 International license.
|
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 08:49, 23 July 2023 | 4,028 × 6,046 (37.01 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/original/noirlab2027e.tif via Commons:Spacemedia |
You cannot overwrite this file.
File usage on Commons
The following page uses this file:
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 | The DECam focal plane consists of a science array of sixty-two 2048 X 4096 CCDs. Additionally there are four 2048 X 2048 guider CCDs and eight 2048 X 2048 focus and alignment CCDs. The quantum efficiency of these LBNL-designed CCDs with their anti-reflective coating is red optimized to be > 90% at 900 nm and over 60% over the range of 400-1000 nm. The DES CCDs were fabricated by Dalsa with further processing done by LBNL. They were then packaged and tested by Fermilab. |
---|---|
Camera manufacturer | NIKON CORPORATION |
Camera model | NIKON D3X |
Author | REIDAR HAHN |
Copyright holder | REIDAR HAHN |
F-number | f/10 |
ISO speed rating | 100 |
Date and time of data generation | 08:48, 18 July 2011 |
Lens focal length | 24 mm |
Width | 4,028 px |
Height | 6,046 px |
Bits per component |
|
Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 21 |
Horizontal resolution | 100 dpi |
Vertical resolution | 100 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CC 2019 (Windows) |
File change date and time | 10:46, 25 October 2020 |
Exposure Program | Aperture priority |
Exif version | 2.31 |
APEX aperture | 6.643856 |
Maximum land aperture | 3 APEX (f/2.83) |
Subject distance | 0.79 meters |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
Color space | Uncalibrated |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 24 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |