Galaxy cluster Abell 2319 - a photo on Flickriver

Galaxy cluster Abell 2319

This pioneering, single-shot image is one of the first from JAXA’s XRISM mission. It shows a nearby cluster of galaxies called Abell 2319, unveiling its detailed structure. In purple we see X-ray light measured by XRISM; this light is emitted by million-degree gas that permeates between the galaxies in the cluster.

The uneven structure of the purple glow is likely a sign that the gas is being stirred and sloshed over very large scales. The gas cloud is probably also shaped by the past effects of a super-massive black hole that lay at the centre of the galaxy cluster. Xtend’s unique ability to capture the entire cluster in a single shot promises a significant step forward in our understanding of the large-scale structure of the Universe.

The image from XRISM (shown in purple) has been overlaid on a visible-light image from a ground-based telescope. Many of the orange blobs in the visible-light image are galaxies that form part of the cluster.

The XRISM image was taken with the mission’s Xtend instrument, which uses a CCD camera to image extended X-ray emitting celestial sources and their surroundings. Xtend covers a large field-of-view, which is key to ensuring that extended structures in the sky such as galaxy clusters, individual galaxies in the nearby Universe and supernova remnants can be imaged effectively. Xtend images also provide a broader counterpart to the high-resolution spectra gathered by XRISM’s Resolve instrument.

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[Image description: An astronomical image with a background full of orange-white dots. In the foreground is a purple square cut into four smaller squares, with lines across it that are a feature of the telescope. The colour that fills the purple square has some shape; it is most densely purple at the top left, whereas the purple is more sparse at the bottom right. A bright, elongated white patch is visible within the densest purple region.]

Credits: X-ray (JAXA), Optical (DSS)

Taken on: January 5, 2024

Tags:

ESA

European Space Agency

Universe

Cosmos

Space Science

Science

Space Technology

Tech

Technology

N132D

Abell 2319

Galaxy Cluster

Galaxy

X-Ray

Large Magellanic Cloud

JAXA « less

Sets appears in: • XRISM

Stats: 2,934 views

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