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Galactic Center Radio Arc

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From Wikipedia, the free encyclopedia

X-ray filament in the galactic center that has a strong curve

Image of the Galactic Center Radio Arc. The bright source near the bottom right is thesupermassive black hole,Sagittarius A*at the center of theMilky Way galaxy.

TheGalactic Center Radio Arc is a long curvingX-ray filament about 40 light years across located in theGalactic Center of theMilky Way galaxy (about 8 kiloparsecs). TheCentral Molecular Zone (CMZ) also contains the Galactic central radio arc. The structure is curving towards the Galactic Center where thesupermassive black hole calledSagittarius A* is located.^[1]^[2]

The curving is due to the hotplasma located inside the Galactic Center Radio Arc being directed and flowing along constant and strongmagnetic field lines.^[1]^[3]

References

[edit]

^^a ^b"APOD: 2023 April 3 – The Galactic Center Radio Arc".apod.nasa.gov. Retrieved2025-05-20.
^"Research Portal".iro.uiowa.edu.Archived from the original on 2025-04-17. Retrieved2025-05-20.
^Serabyn, E. (1996), Blitz, Leo; Teuben, Peter (eds.),"The Nature of the Galactic Center Arc",Unsolved Problems of the Milky Way: Proceedings of the 169th Symposium of the International Astronomical Union, held in the Hague, the Netherlands, August 23–29, 1994, Dordrecht: Springer Netherlands, pp. 263–269,doi:10.1007/978-94-009-1687-6_32,ISBN 978-94-009-1687-6, retrieved2025-05-20{{citation}}: CS1 maint: work parameter with ISBN (link)

Milky Way

Location

Milky Way →Milky Way subgroup →Local Group→Local Sheet→Local Volume→Virgo Supercluster→Laniakea Supercluster →Pisces–Cetus Supercluster Complex →Local Hole →Observable universe →Universe
Each arrow (→) may be read as "within" or "part of".

Structure

Galactic Center	Sagittarius A Sagittarius A* Fermi bubbles Supermassive black hole Galactic Center filaments Galactic Center GeV excess Galactic Center Radio Arc
Disk	Carina–Sagittarius Norma–Cygnus Orion–Cygnus Perseus Scutum–Centaurus Near 3 kpc Arm Far 3 kpc Arm
Halo	Aquarius Stream Fimbulthul stream Gaia Sausage Helmi stream Magellanic Stream Monoceros Ring Palomar 5 stream Pisces–Eridanus stream Sagittarius Stream Virgo Stream

Satellite
galaxies

Magellanic Clouds	Large Magellanic Cloud Small Magellanic Cloud Magellanic Bridge
Dwarfs	Antlia II Boötes I Boötes II Boötes III Canes Venatici I Canes Venatici II Canis Major Carina Coma Berenices Crater 2 Draco Eridanus II Fornax Hercules Leo I Leo II Leo IV Leo V Leo T Phoenix Pisces Overdensity Pisces II Reticulum II Sagittarius Spheroidal Segue 1 Segue 2 Sculptor Sextans Triangulum II Ursa Major I Ursa Major II Ursa Major III Ursa Minor Virgo I Willman 1

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