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Ficheru:U Antliae - ALMA - Eso1730a.tif

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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
.
Data (released)
Fonte http://www.eso.org/public/images/eso1730a/
Autor ALMA (ESO/NAOJ/NRAO)/F. Kerschbaum

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Data/HoraMiniaturaDimensionesUsuariuComentariu
actual09:34 21 set 2017Miniatura de la versión a fecha de 09:34 21 set 20172000 × 2000 (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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