ALMA view of the motions of material in the shell around U Antliae

This image was created from ALMA data on the unusual red carbon star U Antliae and its surrounding shell of material. The colours show the motion of the glowing material in the shell along the line of sight to the Earth. Blue material lies between us and the central star, and is moving towards us. Red material around the edge is moving away from the star, but not towards the Earth.

For clarity this view does not include the material on the far side of the star, which is receding from us in a symmetrical manner.

Crediti:

ALMA (ESO/NAOJ/NRAO), F. Kerschbaum

A proposito dell'immagine

Identificazione:eso1730d
Tipo:Osservazione
Data di pubblicazione:Mercoledì 20 Settembre 2017 12:00
Notizie relative:eso1730
Dimensione:2000 x 2000 px

A proposito delll'oggetto

Nome:U Antliae
Tipo:Milky Way : Star : Type : Variable
Constellation:Antlia
Categoria:Stars

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Coordinate

Position (RA):10 35 12.86
Position (Dec):-39° 33' 45.54"
Field of view:2.17 x 2.17 arcminutes
Orientazione:Il Nord è a -0.0° a sinistra della verticale

Colori e filtri

BandaLunghezza d'ondaTelescopio
Millimetrico
230 GHz
1.3 mmAtacama Large Millimeter/submillimeter Array
Band 6

 

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