File:Cosmic Powerhouses Dwell In Humble Galactic Homes (gemini0403b).tiff
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[edit]DescriptionCosmic Powerhouses Dwell In Humble Galactic Homes (gemini0403b).tiff |
English: Hokupa'a near-infrared K' band imaging of adaptive optics (AO) guide star (left panel), and of quasar and host galaxy (central panel) at redshift z = 1.93. This is the only quasar out of nine that were imaged with Gemini that showed a faint host galaxy detected. The panel on the right shows the radial light profile. The points falls above the smooth line which correspond to the stellar profile of the AO guide star. This excess flux betrays the faint host galaxy. |
Date | 25 May 2004 (upload date) |
Source | Cosmic Powerhouses Dwell In Humble Galactic Homes |
Author | NOIRLab |
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[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.
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Image title | Hokupa'a near-infrared K' band imaging of adaptive optics (AO) guide star (left panel), and of quasar and host galaxy (central panel) at redshift z = 1.93. This is the only quasar out of nine that were imaged with Gemini that showed a faint host galaxy detected. The panel on the right shows the radial light profile. The points falls above the smooth line which correspond to the stellar profile of the AO guide star. This excess flux betrays the faint host galaxy. |
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Width | 1,234 px |
Height | 424 px |
Bits per component | 8 |
Compression scheme | LZW |
Pixel composition | Black and white (Black is 0) |
Number of components | 1 |
Number of rows per strip | 212 |
Horizontal resolution | 576 dpi |
Vertical resolution | 576 dpi |
Software used | Adobe Photoshop CS Macintosh |
File change date and time | 13:54, 24 May 2004 |
Color space | Uncalibrated |