This is the interacting galaxy “Arp-Madore 2105-332 (AM 2105-332)” about 200 million light-years away in the direction of the constellation Microscope. Interacting galaxies is a term used to refer to multiple galaxies that exert a gravitational influence on each other by passing each other or colliding with each other. Some interacting galaxies have shapes that are significantly distorted by tidal forces, or have spiral arms that extend like long tails.
[▲Interactinggalaxy“Arp-Madore2105-332(AM2105-332)”.Thenamesofthegalaxiesare”ESO402-10″ontheleftand”ESO402-9″ontheright(Credit:ESA/Hubble&NASAJ.Dalcanton;Acknowledgment:L.Shatz)]
The most eye-catching feature of this image is the series of galaxies lined up on the left side of the image. However, according to the European Space Agency (ESA), Arp-Madore 2105-332 actually consists of the large galaxy “ESO 402-10″ located at the beginning of the column, and the galaxy on the right side of the image that is far from the column. ESO 402-9”. The galaxies pictured below ESO 402-10 just happen to be visible in a straight line from Earth.
This image was created using data acquired by the Hubble Space Telescope (HST)’s Advanced Camera for Surveys (ACS). The Hubble Space Telescope’s observation of Arp-Madore 2105-332 is part of efforts to search for galaxies that could be the subject of future detailed observations by the James Webb Space Telescope (JWST) and by the Hubble Space Telescope itself. It was carried out in July 2018 as part of this initiative.
In addition to the Hubble Space Telescope’s ACS, optical observation data from the Dark Energy Camera (DECam) installed on the Blanco 4m Telescope at the Cerro Tololo Pan-American Observatory was used to create the images. I am. As the name suggests, DECam is an observation device developed with the main purpose of researching dark energy, and observations for the original purpose of dark energy research were conducted from 2013 to 2019. Ta.
The first image was published by ESA as “Hubble Space Telescope Image of the Week” on December 11, 2023.
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Text/sorae editorial department
