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File:U Antliae - ALMA - Eso1730a.tif

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Summary

Description
English: Delicate bubble of expelled material around the cool red star U Antliae

This ALMA image reveals much finer structure in the U Antliae shell than has previously been possible. Around 2700 years ago, U Antliae went through a short period of rapid mass loss. During this period of only a few hundred years, the material making up the shell seen in the new ALMA data was ejected at high speed. Examination of this shell in further detail also shows some evidence of thin, wispy clouds known as filamentary substructures. 

Coordinates
Position (RA): 	10 35 12.87
Position (Dec):	-39° 33' 44.99"
Field of view: 	2.18 x 2.18 arcminutes
Orientation:   	North is 0.5° right of vertical

Colours & filters
Band			Wavelength	Telescope
Millimeter 230 GHz	1.3 mm		Atacama Large Millimeter/submillimeter Array Band 6
.
Date (released)
Source http://www.eso.org/public/images/eso1730a/
Author ALMA (ESO/NAOJ/NRAO)/F. Kerschbaum

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20 September 2017

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Date/TimeThumbnailDimensionsUserComment
current09:34, 21 September 2017Thumbnail for version as of 09:34, 21 September 20172,000 × 2,000 (2.63 MB)Fabian RRRR=={{int:filedesc}}== {{Information |description={{en|1=Delicate bubble of expelled material around the cool red star U Antliae This ALMA image reveals much finer structure in the U Antliae shell than has previously been possible. Around 2700 years ag...

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