Английская Википедия:Arp 271
Шаблон:Short description Шаблон:Infobox Galaxy
Arp 271 is a pair of similarly sized interacting spiral galaxies, NGC 5426 and NGC 5427, in the constellation of Virgo. It is not certain whether the galaxies are going to eventually collide or not. They will continue interacting for tens of millions of years, creating new stars as a result of the mutual gravitational attraction between the galaxies, a pull seen in the bridge of stars already connecting the two. Located about 130 million light-years away, the Arp 271 pair is about 130,000 light-years across. It was originally discovered in 1785 by William Herschel. It is speculated,[1][2] that the Milky Way will undergo a similar collision in about five billion years with the neighbouring Andromeda Galaxy, which is currently located about 2.6 million light-years away.[3]
Supernovas in NGC 5426
Two supernovae have been observed in NGC 5426: SN 1991B (type Ia, mag. 16),[4] and SN 2009mz (type Ia, mag. 15.1).[5]
Supernovas in NGC 5427
Two supernovae have been observed in NGC 5427: SN 1976D (type Ia, mag. 14.5)[6] and SN 2021pfs (type Ia, mag. 14).[7]
Gallery
-
Arp 271 taken by the VIMOS instrument on ESO's Very Large Telescope.[8]
References
External links
- Arp 271 — Galaxies Drawn Together, ESO picture of the week.
Шаблон:Virgo Шаблон:Ngc55 Шаблон:Catalogs Шаблон:Sky
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Transient Name Server entry for SN 1991B. Retrieved 30 March 2023.
- ↑ Transient Name Server entry for SN 2009mz. Retrieved 30 March 2023.
- ↑ Transient Name Server entry for SN 1976D. Retrieved 29 March 2023.
- ↑ Astronomy Section of the Rochester Academy of Sciences. Retrieved 5 January 2023.
- ↑ Шаблон:Cite web
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![Arp 271 taken by the VIMOS instrument on ESO's Very Large Telescope.[8]](/ruwiki/index.php?title=%D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F:%D0%97%D0%B0%D0%B3%D1%80%D1%83%D0%B7%D0%BA%D0%B0&wpDestFile=VIMOS%27s_last_embrace_NGC_5426_and_NGC_5427.jpg){kind=link}