File:Potw1349a.tif
Original file (1,480 × 763 pixels, file size: 2.06 MB, MIME type: image/tiff)
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Summary
[edit]DescriptionPotw1349a.tif |
English: A members-only galaxy club
There are four other members of this group, all of which lie out of frame: NGC 1189, NGC 1191, NGC 1192, and NGC 1199. The other galaxies shown here are nearby galaxies 2MASS J03032308-1539079 (centre), and dCAZ94 HCG 22-21 (left), both of which are not part of HCG 22. Hickson Compact Groups are incredibly tightly bound groups of galaxies. Their discoverer Paul Hickson observed only 100 of these objects, which he described in his HCG catalogue in the 1980s. To earn the Hickson Compact Group label, there must be at least four members — each one fairly bright and compact. These short-lived groups are thought to end their lives as giant elliptical galaxies, but despite knowing much about their form and destiny, the role of compact galaxy groups in galactic formation and evolution is still unclear. These groups are interesting partly for their self-destructive tendencies. The group members interact, circling and pulling at one another until they eventually merge together, signalling the death of the group, and the birth of a large galaxy. A version of this image was entered into the Hubble's Hidden Treasures image processing competition by contestant Luca Limatola. Credit: ESA/Hubble & NASA Acknowledgement: Luca Limatola About the Object Name: 2MASS J03032308-1539079, dCAZ94 HCG 22-21, HCG 22, NGC 1190 Type: • Local Universe : Galaxy • X - Galaxies Images/Videos Distance: 110 million light years Colours & filters Band Wavelength Telescope Optical B 450 nm Hubble Space Telescope WFPC2 Optical V 606 nm Hubble Space Telescope WFPC2 Infrared I 814 nm Hubble Space Telescope WFPC2. |
Date | Release date: 9 December 2013, 10:00 |
Source | http://www.spacetelescope.org/images/potw1349a/ http://www.spacetelescope.org/static/archives/images/original/potw1349a.tif |
Author |
Credit: ESA/Hubble & NASA Acknowledgement: Luca Limatola |
Permission (Reusing this file) |
http://www.spacetelescope.org/copyright/ |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:49, 10 December 2013 | 1,480 × 763 (2.06 MB) | Fabian RRRR (talk | contribs) | == {{int:filedesc}} == {{Information |Description ={{en|1='''A members-only galaxy club This new Hubble image shows a handful of galaxies in the constellation of Eridanus (The River). NGC 1190, shown here on the right of the frame, stands apart fr... |
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Width | 1,480 px |
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Height | 763 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 | 59 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS6 (Windows) |
File change date and time | 13:16, 9 August 2013 |
Color space | Uncalibrated |
warning | wrong data type 7 for "Photoshop"; tag ignored. |