Chandra image of Arp 220, also known as IC 4553.
The merger of two spiral galaxies set of a burst of star formation in Arp 220.
This X-ray image shows the location of the hottest gas in the galaxy merger. The central bright point contains the remnant cores of the two galaxies, which are about 1,200 light-years apart.
Credit: NASA, CXC, SAO, L. Frattare, J. Major
Source: https://chandra.harvard.edu/photo/2024/25th/more.html
VLT image of Arp 289, also known as NGC 3981.
This image was captured as part of the ESO Cosmic Gems Program, which uses the Very Large Telescope to photograph beautiful objects in the southern skies when conditions donโt allow scientific observations to be made.
Credit: ESO
Source: https://www.eso.org/public/images/eso1830a/
Hubble and Spitzer image of Arp 148, also known as Mayall's Object.
The thick clouds of dusty material in the edge-on galaxy (left) glow brightly in the infrared wavelengths of light seen by Spitzer (red), while starlight dominates the visible light from Hubble (blue and green).
The edge-on galaxy likely crashed through its companion, creating a ring and triggering a burst of star formation.
Credit: NASA, JPL-Caltech, STScI
Source: https://www.spitzer.caltech.edu/image/ssc2021-06b-arp-148-visible-infrared
Hubble Space Telescope image of Arp 16, also known as M66.
M66 is about 37 million light-years (11.3 Mpc) away.
It was discovered by Charles Messier on 1 March 1780, object 66 in his catalog of โfuzzy things in the night sky that are not comets." He described it as "very long and very faint."
Credit: NASA, ESA, STScI
Source: https://webbtelescope.org/contents/media/images/2024/105/01HMA6P3V363GW0EA0347CR6HV
Hubble image of Arp 221.
Arp 221 is an interacting trio of disk galaxies, including what is probably a large lenticular galaxy to the right, with a series of shells that are caused by the galactic gravitational interactions or a past merger.
Credit: NASA, ESA, STScI, J. Dalcanton, Judy Schmidt
Source: https://www.flickr.com/photos/geckzilla/47969812542/
Image of Arp 16, also known as M66, from the Atlas of Peculiar Galaxies by Halton Arp (1966).
In the original catalog, it was in the category: Spiral galaxies - Detached segments. M66 is a face-on spiral galaxy with a weak bar and loosely wound arms that are full of young star clusters.
Hubble Space Telescope image of Arp 6, also known as NGC 2537 or the Bearโs Paw Galaxy.
NGC 2537 has a nucleus that is rapidly forming stars, surrounded by a horseshoe-shaped structure that is also forming new stars. Since the stars in the nucleus are older, the horseshoe may be the result of a shockwave sent out by the nuclear starburst.
Credit: NASA, ESA, STScI, J. Dalcanton, Judy Schmidt
Source: https://www.flickr.com/photos/geckzilla/46842339755
Image of Arp 184, also known as NGC 1961, from the Atlas of Peculiar Galaxies by Halton Arp (1966).
In the original catalog, it was in the category: Amorphous galaxies - Narrow filament. NGC 1961 is an extremely massive spiral galaxy with irregular arms. It's shape may be the product of interactions with the gas in its galaxy cluster.
NTT image of Arp 22, also known as NGC 4027.
NGC 4027 is a barred spiral galaxy with a single spiral arm. It is interacting with a smaller companion galaxy, NGC 4027A, which is just out of frame.
Credit: ESO
Source: https://www.eso.org/public/images/potw1030a/
Image of Arp 2, also known as UGC 10310, from the Atlas of Peculiar Galaxies by Halton Arp (1966).
In the original catalog, it was in the category: Spiral galaxies - Low surface brightness. Similar to the Large Magellanic Cloud, UGC 10310 is a barred Magellanic spiral galaxy.
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