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{{Short description|Galaxy cluster in the constellation Cetus}} |
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{{Infobox galaxy cluster|image=Arp 251.png|name=Arp 251|epoch=J2000|member_no=3|ra=00h53m|dec=-13°51'|constellation=[[Cetus (constellation)|Cetus]]}} |
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'''Arp 251''' is a [[Galaxy group|group]] of three [[spiral galaxies]]. The [[galaxies]] (2MASX J00534840-1351148, 2MASX J00534765-1351358 and 2MASX J00533671-1349541) are visible in the constellation [[Cetus]]<ref>{{Cite web |last=Ford |first=Dominic |title=The Arp's Catalog Of Peculiar Galaxies in Cetus |url=https://in-the-sky.org//data/catalogue.php?cat=Arp&const=22 |access-date=2024-04-22 |website=In-The-Sky.org |language=en}}</ref> |
'''Arp 251''' is a [[Galaxy group|group]] of three [[spiral galaxies]]. The [[galaxies]] (2MASX J00534840-1351148, 2MASX J00534765-1351358 and 2MASX J00533671-1349541) are visible in the constellation [[Cetus]].<ref>{{Cite web |last=Ford |first=Dominic |title=The Arp's Catalog Of Peculiar Galaxies in Cetus |url=https://in-the-sky.org//data/catalogue.php?cat=Arp&const=22 |access-date=2024-04-22 |website=In-The-Sky.org |language=en}}</ref> Arp 251 is cataloged in the [[Atlas of Peculiar Galaxies]],<ref>{{Cite web |title=Halton Arp's Atlas of Peculiar Galaxies |url=https://cseligman.com/text/arpatlas.htm#arp251 |access-date=2024-04-22 |website=cseligman.com}}</ref> which is a catalog of unusual galaxies put into groups based on purely morphological criteria. Arp 251 belongs to the class of galaxies with signs of splitting.<ref>{{Cite web |title=ARP Atlas of Peculiar Galaxies |url=https://ned.ipac.caltech.edu/level5/Arp/Arp_figure2.html |access-date=2024-04-22 |website=ned.ipac.caltech.edu}}</ref> |
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== Galaxies<ref>{{Cite web |title=Your NED Search Results |url=https://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=ARP+251&extend=no |access-date=2024-04-22 |website=ned.ipac.caltech.edu}}</ref> == |
== Galaxies<ref>{{Cite web |title=Your NED Search Results |url=https://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=ARP+251&extend=no |access-date=2024-04-22 |website=ned.ipac.caltech.edu}}</ref> == |
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=== 2MASX J00533671-1349541 === |
=== 2MASX J00533671-1349541 === |
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2MASX J005446 has a magnitude of 16.4 and a |
2MASX J005446 has a magnitude of 16.4 and a [[redshift]] distance of 700 million+ light-years. It has a larger angular size than the other galaxies making up Arp 251. |
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== See also == |
== See also == |
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* [[Halton Arp]] |
* [[Halton Arp]] |
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* [[Hickson 40]] |
* [[Hickson 40]] |
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* [[Lists of galaxies]] |
* [[Lists of galaxies]] |
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== |
== References == |
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{{reflist}} |
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{{Cetus}} |
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* [https://cseligman.com/text/arpatlas.htm#arp251 Arp 251] at Seligman |
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== References == |
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[[Category:Galaxy clusters]] |
[[Category:Galaxy clusters]] |
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[[Category:Arp |
[[Category:Arp objects|251]] |
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[[Category:Cetus |
[[Category:Cetus]] |
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[[Category:Spiral galaxies]] |
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[[Category:Peculiar galaxies]] |
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Revision as of 13:17, 28 April 2024
| Arp 251 | |
|---|---|
 | |
| Observation data (Epoch J2000) | |
| Constellation(s) | Cetus |
| Right ascension | 00h53m |
| Declination | -13°51' |
| Number of galaxies | 3 |
Arp 251 is a group of three spiral galaxies. The galaxies (2MASX J00534840-1351148, 2MASX J00534765-1351358 and 2MASX J00533671-1349541) are visible in the constellation Cetus.[1] Arp 251 is cataloged in the Atlas of Peculiar Galaxies,[2] which is a catalog of unusual galaxies put into groups based on purely morphological criteria. Arp 251 belongs to the class of galaxies with signs of splitting.[3]
Galaxies[4]
2MASX J00534840-1351148
2MASX J00534 is the northernmost galaxy in Arp 251. It spans 30 arc-seconds in apparent view, which corresponds to a diameter of 170,000 light years. The upper arm is disturbed, meaning that galaxy interaction may be present.
2MASX J00534765-1351358
2MASX J005347 is the southernmost galaxy out of the triplet and has a magnitude of 15.1. It's visual magnitude is unknown.
2MASX J00533671-1349541
2MASX J005446 has a magnitude of 16.4 and a redshift distance of 700 million+ light-years. It has a larger angular size than the other galaxies making up Arp 251.
See also
References
- ^ Ford, Dominic. "The Arp's Catalog Of Peculiar Galaxies in Cetus". In-The-Sky.org. Retrieved 2024-04-22.
- ^ "Halton Arp's Atlas of Peculiar Galaxies". cseligman.com. Retrieved 2024-04-22.
- ^ "ARP Atlas of Peculiar Galaxies". ned.ipac.caltech.edu. Retrieved 2024-04-22.
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-04-22.
