File:Starburst in NGC 5253 (35954719554).png
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Summary
[edit]DescriptionStarburst in NGC 5253 (35954719554).png |
English: A nearby compact blue dwarf galaxy, NGC 5253 was imaged with Hubble's High Resolution Channel (HRC) on the Advanced Camera for Surveys (ACS) to produce this image. A lot of hydrogen gas is present here and is most evident in the narrowband H-alpha filter which appears here in vivid reddish magenta. Numerous young, massive star clusters full of massive stars are visible as mottled, bright, blueish patches.
This is a very close look at the nucleus and star-forming region of the galaxy. Just enough detail is revealed for me to guess at what I'm looking at, and yet not quite enough for me to feel sure. One of the bright patches near the center is rounder and slightly yellower, causing me to suspect it is an old globular cluster. What is interesting to me is that some of the bluer clusters visually appear to have comparable diameters and densities. Pretty impressive. I suspect they contain fewer but brighter, more massive stars. I am fond of these old ACS/HRC datasets because they are comparatively rare since the HRC stopped functioning in June 2006 and never came back online even after the servicing mission which repaired the rest of the ACS. The observations comprising this image were acquired five months prior in February 2006. Glancing at the abstract for this paper, we might expect this to one day be observed by the James Webb Space Telescope. Data primarily came from the following Proposal: Sizes, Shapes, and SEDs: Searching for Mass Segregation in the Super Star Clusters of Nearby Starburst Galaxies Note: Some lower resolution ACS/WFC data from LEGUS (Proposal 10765) was used to fill in the missing data where the occulting finger was. Some older WFPC2 F656N data from Proposal 6524 was used to slightly enhance the ACS/HRC F656N data. Red: ACS/HRC F814W + ACS/HRC F656N Green: ACS/HRC F550M Blue: ACS/HRC F435W + ACS/HRC F330W North is NOT up. It is 25.4° clockwise from up. |
Date | Taken on 24 August 2017, 21:19:21 |
Source | Starburst in NGC 5253 |
Author | geckzilla |
Flickr sets InfoField | Dwarf Galaxies; all astronomy; Hubble Processing |
Flickr tags InfoField | nearinfrared; green; highresolutionchannel; hst; starburst; 10609; advancedcameraforsurveys; hubble; acs; blue; compactbluedwarf; halpha; hrc; dwarf; galaxy |
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This image was originally posted to Flickr by geckzilla at https://flickr.com/photos/54209675@N00/35954719554. It was reviewed on 27 February 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
27 February 2024
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current | 23:46, 27 February 2024 | 908 × 1,159 (1.83 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://live.staticflickr.com/4372/35954719554_71559b5036_o.png via Commons:Spacemedia |
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Date and time of digitizing | 14:19, 24 August 2017 |
File change date and time | 15:13, 25 August 2017 |
Date metadata was last modified | 15:13, 25 August 2017 |
Unique ID of original document | xmp.did:19e216f0-3a7f-3e4f-8fe8-d562f7fde9ec |
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