ALMA Eyes Icy Ring around Young Planetary System

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ALMA Eyes Icy Ring around Young Planetary System

Composite image of the Fomalhaut star system. The ALMA data, shown in orange, reveal the distant and eccentric debris disk in never-before-seen detail. The central dot is the unresolved emission from the star, which is about twice the mass of our sun. Optical data from the Hubble Space Telescope is in blue; the dark region is a coronagraphic mask, which filtered out the otherwise overwhelming light of the central star.

Credit: ALMA (ESO/NAOJ/NRAO), M. MacGregor; NASA/ESA Hubble, P. Kalas; B. Saxton (NRAO/AUI/NSF)

Technical Details
Telescope	ALMA; HST
Band	ALMA 6; -
Date	2015-12-29T19:39:27.072000; -
Center	RA: 22:57:39.44, Dec: -29:37:21.53
Field of View	0.45 x 0.72 arcminutes

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Protoplanetary Disks Stars

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ALMA Eyes Icy Ring around Young Planetary System

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