File:Arp 143 - Flickr - geckzilla.png
Original file (2,675 × 3,952 pixels, file size: 15.46 MB, MIME type: image/png)
Captions
Captions
Summary
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| Description |
Interacting galaxies NGC 2444 (top) and NGC 2445 putting on a show for us humans to enjoy and contemplate. I originally processed this image as an HST+a ground-based combo image to try and generate a meager color image. Needless to say the full Hubble version knocks the socks off the previous one. Besides all the cool things going on here such as the unusual arcs around the center of the lower, star-forming galaxy, the upper, elliptical galaxy has some interesting subtle things going on, too. If you look very hard, or maybe it's easy for you if you know what you're looking for, you may notice a greenish hue around the nucleus of the elliptical. Normally if I get a result like that I think it's a problem with the processing, but in this case I believe this galaxy is actually colored like that due to having borrowed some shiny new blue stars from its collisional friend. The yellow older stars are mixing with the blues to give this slightly "off" appearance of the colors in the elliptical, which are typically all smoothly yellowish, being comprised entirely of an older bunch of cooler, long-lived stars. I went ahead and posted this after STScI's official release, because I didn't want to accidentally "scoop" them and make their shiny new release old news... I very nearly did, but a chat with Julianne prevented that. I'm trying not to be a jerk, I swear. hubblesite.org/contents/media/images/2022/010/01F88FMDEP5... Red overlay: WFC3/UVIS F665N Red-Orange: ACS/WFC F814W Green: ACS/WFC F606W Blue: ACS/WFC F475W North is NOT up. It is 21.99° counter-clockwise from up. |
| Date | Taken on 22 February 2022, 01:36 |
| Source | Arp 143 |
| Author | Judy Schmidt |
| Flickr tags | galaxy, galaxies, merger, merging, tidal, stream, star, formation, gas, dust, maybe a light echo, hst, hubble, h-alpha, shells |
Licensing
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- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This image was originally posted to Flickr by geckzilla at https://flickr.com/photos/54209675@N00/51896697598. It was reviewed on 28 February 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:37, 28 February 2022 | | 2,675 × 3,952 (15.46 MB) | Red panda bot (talk | contribs) | In Flickr Explore: 2022-02-22 |
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