File:SDSS J1143-0144 (16209650984).png

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Captions

Captions

A cluster of galaxies in various ball shapes, otherwise known as ellipticals. Some spirals are visible and some lenticulars. Some of them look intermediary and I would have a hard time saying they are one or the other.

Summary

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Description
English: A cluster of galaxies in various ball shapes, otherwise known as ellipticals. Some spirals are visible and some lenticulars. Some of them look intermediary and I would have a hard time saying they are one or the other. You can see here there was not as much integration time as the Frontier fields. Here is the result of around 2000 seconds of integration time per channel. Compare that with the 100000 seconds allotted to imaging a single channel for a Frontier Fields cluster! It's much noisier and the extended structures of the galaxies are not well defined.

Around the nucleus of the largest galaxy appears to be some gravitational lensing forming what is known as an Einstein ring. The cluster generally does not present a visually dramatic gravitational lens, at least not compared to some of the others I've posted. Still, it's good to have lots of samples to look at.

The chip gap has been filled with cloned data.

Data collected for proposal 10798: Dark Halos and Substructure from Arcs & Einstein Rings

Red: HST_10798_06_ACS_WFC_F814W_sci Green: pseudo Blue: HST_10798_06_ACS_WFC_F555W_sci

North is NOT up. It is 28.1° clockwise from up.
Date Taken on 11 March 2015, 14:53:12
Source SDSS J1143-0144
Author geckzilla
Flickr sets
InfoField
all astronomy; Galaxy Clusters; Hubble Processing
Flickr tags
InfoField
hubble; cluster; galaxies; hst; hla; slacssdssj11430144; sdss1143

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This image was originally posted to Flickr by geckzilla at https://flickr.com/photos/54209675@N00/16209650984. It was reviewed on 25 February 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

25 February 2024

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