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Wild's Triplet, also known as Arp 248, is a
group A group is a number of persons or things that are located, gathered, or classed together. Groups of people * Cultural group, a group whose members share the same cultural identity * Ethnic group, a group whose members share the same ethnic iden ...
of three small, interacting
spiral galaxies Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae''
. The
galaxies A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity. The word is derived from the Greek ' (), literally 'milky', a reference to the Milky Way galaxy that contains the Solar Sys ...
(PGC 36723, PGC 36733, PGC 36742) are visible in the
constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The first constellati ...
Virgo Virgo may refer to: Arts and entertainment * Virgo (film), a 1970 Egyptian film * Virgo (character), several Marvel Comics characters * Virgo Asmita, a character in the manga ''Saint Seiya: The Lost Canvas'' * ''Virgo'' (album), by Virgo Four, ...
. Two of the galaxies have a connecting stellar stream, probably formed as a result of gravitational tidal interactions. The trio is located some 200 million
light-year A light-year, alternatively spelled light year (ly or lyr), is a unit of length used to express astronomical distances and is equal to exactly , which is approximately 9.46 trillion km or 5.88 trillion mi. As defined by the International Astr ...
s away. The triplet is named after the Swiss astronomer Paul Wild (1925–2014), who studied the trio in the early 1950s.


See also

*
Zwicky's Triplet Zwicky's Triplet (Arp 103) is a group of three galaxies visible in the constellation Hercules. None of the galaxies is listed in the New General Catalogue (NGC) or Index Catalogue (IC), but all three are identified in the Catalogue of Principal G ...
*
Robert's Quartet Robert's Quartet is a compact galaxy group approximately 160 million light-years away in the constellation Phoenix (constellation), Phoenix. It is a family of four very different galaxies whose proximity to each other has caused the creation of ...
*
Stephan's Quintet Stephan's Quintet is a visual grouping of five galaxies of which four form the first Galaxy group#Compact Groups, compact galaxy group ever discovered. The group, visible in the constellation Pegasus (constellation), Pegasus, was discovered by É ...
*
NGC 7331 Group NGC 7331 Group is a visual grouping of galaxies in the constellation Pegasus. Spiral galaxy NGC 7331 is a foreground galaxy in the same field as the collection, which is also called the ''Deer Lick Group''. It contains four other members, affe ...
(also known as the Deer Lick Group, about half a degree northeast of Stephan's Quintet) *
Seyfert's Sextet Seyfert's Sextet is a group of galaxies about 190 million light-years away in the constellation Serpens. The group appears to contain six members, but one of the galaxies, NGC 6027d, is a background object (700 million light years behind the g ...
*
Copeland Septet The Copeland Septet (also Copeland's Septet, Hickson Compact Group 57) is a group of galaxies in the constellation Leo that includes NGC 3748, NGC 3754, NGC 3750, NGC 3751, NGC 3745, NGC 3753 and NGC 3746. The group was discovered by Brit ...


References

Virgo (constellation) {{galaxy-cluster-stub