File:Potw2307a.jpg

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Summary

Description

English: A spectacular trio of merging galaxies in the constellation Boötes takes centre stage in this image from the NASA/ESA Hubble Space Telescope. These three galaxies are set on a collision course and will eventually merge into a single larger galaxy, distorting one another’s spiral structure through mutual gravitational interaction in the process. An unrelatedforeground galaxy appears to float serenely alongside the collision, and the smudged shapes of much more distant galaxies are visible in the background. This colliding trio — known to astronomers as SDSSCGB 10189 — is a relatively rare combination of three large star-forming galaxies lying within only 50 000 light-years of one another. While that might sound like a safe distance, for galaxies this makes them extremely close neighbours! Our own galactic neighbours are much further away; Andromeda, the nearest large galaxy to the Milky Way, is more than 2.5 million light-years away from Earth. This observation was designed to help astronomers understand the origin of the largest, most massive galaxies in the universe. These galactic behemoths are called Brightest Cluster Galaxies (BCGs) and — as the name suggests — are defined as the brightest galaxies in any given galaxy cluster. Astronomers suspect that BCGs form through the merger of large, gas-rich galaxies like the ones in this image. They turned to Hubble’s Wide Field Camera 3 and Advanced Camera for Surveys to investigate this galactic trio in painstaking detail, hoping to shed light on the formation of the Universe’s most massive galaxies. [Image description: Three galaxies stand together just right of centre. They are close enough that they appear to be merging into one. Their shapes are distorted, with strands of gas and dust running between them. Each is emitting a lot of light. Further to the left is an unconnected, dimmer spiral galaxy. The background is dark, with a few smaller, dim and faint galaxies and a couple of stars.]

Coordinates

Position (RA):	15 22 2.09
Position (Dec): 50° 10' 40.84"
Field of view:	2.37 x 1.56 arcminutes
Orientation: North is 251.9° right of vertical

Colours & filters
Band	Wavelength	Telescope
Optical g	475 nm	Hubble Space Telescope ACS
Optical I	814 nm	Hubble Space Telescope ACS
Optical g	475 nm	Hubble Space Telescope ACS
Ultraviolet UV	275 nm	Hubble Space Telescope WFC3
Optical I	814 nm	Hubble Space Telescope ACS

.

Date

13 February 2023, 06:00:00

Source

https://esahubble.org/images/potw2307a/

Author

ESA/Hubble & NASA, M. Sun

Permission
(Reusing this file)

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Attribution: Credit: ESA/Hubble & NASA, J. Dalcanton, Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	09:02, 13 February 2023		2,841 × 1,871 (1.14 MB)	Loopjaw	Uploaded a work by ESA/Hubble & NASA, M. Sun from https://esahubble.org/images/potw2307a/ with UploadWizard

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Galaxy merger

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Usage on de.wikipedia.org
- SDSSCGB 10189
Usage on fr.wikipedia.org
- Wikipédia:RAW/2023-03-01
Usage on fr.wikinews.org
- Page:Espace
- Astronomie : Hubble photographie 4 galaxies, dont 3 en interaction
Usage on tr.wikipedia.org
- Galaksi birleşmesi
Usage on www.wikidata.org
- Q84408852

Metadata

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Source	ESA/Hubble
Credit/Provider	ESA/Hubble & NASA, M. Sun
Short title	Galactic Crash Course
Image title	A spectacular trio of merging galaxies in the constellation Boötes takes centre stage in this image from the NASA/ESA Hubble Space Telescope. These three galaxies are set on a collision course and will eventually merge into a single larger galaxy, distorting one another’s spiral structure through mutual gravitational interaction in the process. An unrelatedforeground galaxy appears to float serenely alongside the collision, and the smudged shapes of much more distant galaxies are visible in the background. This colliding trio — known to astronomers as SDSSCGB 10189 — is a relatively rare combination of three large star-forming galaxies lying within only 50 000 light-years of one another. While that might sound like a safe distance, for galaxies this makes them extremely close neighbours! Our own galactic neighbours are much further away; Andromeda, the nearest large galaxy to the Milky Way, is more than 2.5 million light-years away from Earth. This observation was designed to help astronomers understand the origin of the largest, most massive galaxies in the universe. These galactic behemoths are called Brightest Cluster Galaxies (BCGs) and — as the name suggests — are defined as the brightest galaxies in any given galaxy cluster. Astronomers suspect that BCGs form through the merger of large, gas-rich galaxies like the ones in this image. They turned to Hubble’s Wide Field Camera 3 and Advanced Camera for Surveys to investigate this galactic trio in painstaking detail, hoping to shed light on the formation of the Universe’s most massive galaxies. [Image description: Three galaxies stand together just right of centre. They are close enough that they appear to be merging into one. Their shapes are distorted, with strands of gas and dust running between them. Each is emitting a lot of light. Further to the left is an unconnected, dimmer spiral galaxy. The background is dark, with a few smaller, dim and faint galaxies and a couple of stars.]
Usage terms	Creative Commons Attribution 4.0 International License
Date and time of data generation	06:00, 13 February 2023
JPEG file comment	A spectacular trio of merging galaxies in the constellation Boötes takes centre stage in this image from the NASA/ESA Hubble Space Telescope. These three galaxies are set on a collision course and will eventually merge into a single larger galaxy, distorting one another’s spiral structure through mutual gravitational interaction in the process. An unrelated foreground galaxy appears to float serenely alongside the collision, and the smudged shapes of much more distant galaxies are visible in the background. This colliding trio — known to astronomers as SDSSCGB 10189 — is a relatively rare combination of three large star-forming galaxies lying within only 50 000 light-years of one another. While that might sound like a safe distance, for galaxies this makes them extremely close neighbours! Our own galactic neighbours are much further away; Andromeda, the nearest large galaxy to the Milky Way, is more than 2.5 million light-years away from Earth. This observation was designed to help astronomers understand the origin of the largest, most massive galaxies in the universe. These galactic behemoths are called Brightest Cluster Galaxies (BCGs) and — as the name suggests — are defined as the brightest galaxies in any given galaxy cluster. Astronomers suspect that BCGs form through the merger of large, gas-rich galaxies like the ones in this image. They turned to Hubble’s Wide Field Camera 3 and Advanced Camera for Surveys to investigate this galactic trio in painstaking detail, hoping to shed light on the formation of the Universe’s most massive galaxies. [Image description: Three galaxies stand together just right of centre. They are close enough that they appear to be merging into one. Their shapes are distorted, with strands of gas and dust running between them. Each is emitting a lot of light. Further to the left is an unconnected, dimmer spiral galaxy. The background is dark, with a few smaller, dim and faint galaxies and a couple of stars.]
Software used	Adobe Photoshop 24.0 (Windows)
File change date and time	18:03, 10 February 2023
Date and time of digitizing	11:08, 17 January 2023
Date metadata was last modified	19:03, 10 February 2023
Unique ID of original document	xmp.did:da912cb5-7082-5d4e-a6fa-08e7a57593ef
Keywords	SDSSCGB 10189
Contact information	https://esahubble.org ESA Office, Space Telescope Science Institute, 3700 San Martin Dr Baltimore, MD, 21218 United States
IIM version	4

File:Potw2307a.jpg

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inception

13 February 2023

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