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Spotlight on IC 3583

This delicate blue group of stars — actually an irregular galaxy named IC 3583 — sits some 30 million light-years away in the constellation of Virgo (The Virgin).

It may seem to have no discernable structure, but IC 3583 has been found to have a bar of stars running through its centre. These structures are common throughout the Universe, and are found within the majority of spiral, many irregular, and some lenticular galaxies. Two of our closest cosmic neighbours, the Large and Small Magellanic Clouds, are barred, indicating that they may have once been barred spiral galaxies that were disrupted or torn apart by the gravitational pull of the Milky Way. Something similar might be happening with IC 3583. This small galaxy is thought to be gravitationally interacting with one of its neighbours, the spiral Messier 90. Together, the duo form a pairing known as Arp 76. It’s still unclear whether these flirtations are the cause of IC 3583’s irregular appearance — but whatever the cause, the galaxy makes for a strikingly delicate sight in this NASA/ESA Hubble Space Telescope image, glimmering in the blackness of space.

Credit: ESA/Hubble & NASA 

Coordinates
Position (RA):	12 36 44.64
Position (Dec):	13° 15' 24.14"
Field of view:	3.32 x 3.28 arcminutes
Orientation:	North is 57.0° left of vertical

Colours & filters
Band	Wavelength	Telescope
Optical V	606 nm	Hubble Space Telescope ACS
Optical V	606 nm	Hubble Space Telescope ACS
Optical I	814 nm	Hubble Space Telescope ACS
Optical I	814 nm	Hubble Space Telescope ACS
.
Data 28 November 2016, 06:00 (Release)
Fonte http://spacetelescope.org/images/potw1648a/ http://spacetelescope.org/static/archives/images/original/potw1648a.tif
Autore ESA/Hubble & NASA, D. Calzetti
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 ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
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attuale10:35, 28 nov 2016Miniatura della versione delle 10:35, 28 nov 20163 992 × 3 936 (34,23 MB)Fabian RRRR{{Information |Description=Spotlight on IC 3583 This delicate blue group of stars — actually an irregular galaxy named IC 3583 — sits some 30 million light-years away in the constellation of Virgo (The Virgin). It may seem to have no discernable...

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