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.

Crédit:

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

À propos de l'image

Identification:eso1730d
Type:Observation
Date de publication:20 septembre 2017 12:00
Communiqués de presse en rapport:eso1730
Taille:2000 x 2000 px

À propos de l'objet

Nom:U Antliae
Type:Milky Way : Star : Type : Variable
Constellation:Antlia
Catégorie:Stars

Formats des images

Grand JPEG
652,3 Kio
JPEG taille écran
150,4 Kio

Zoomable


Fonds d'écran

1024x768
169,4 Kio
1280x1024
252,3 Kio
1600x1200
360,6 Kio
1920x1200
444,0 Kio
2048x1536
535,7 Kio

Coordinates

Position (RA):10 35 12.86
Position (Dec):-39° 33' 45.54"
Field of view:2.17 x 2.17 arcminutes
Orientation:North is -0.0° left of vertical

Couleurs & filtres

DomaineLongueur d'ondeTélescope
Millimétrique
230 GHz
1.3 mmAtacama Large Millimeter/submillimeter Array
Band 6