ALMA image of HD101584

This new ALMA image shows the outcome of a stellar fight: a complex and stunning gas environment surrounding the binary HD101584. The colours represent speed, going from blue — gas moving the fastest towards us — to red — gas moving the fastest away from us. Jets, almost along the line of sight, propel the material in blue and red. The stars in the binary are located at the single bright dot at the centre of the ring-like structure shown in green, which is moving with the same velocity as the system as a whole along the line of sight. Astronomers believe this ring has its origin in the material ejected as the lower mass star in the binary spiralled towards its red-giant partner.

Credit:

ALMA (ESO/NAOJ/NRAO), Olofsson et al. Acknowledgement: Robert Cumming

About the Image

Id:eso2002a
Type:Observation
Release date:5 February 2020, 12:00
Related releases:eso2002
Size:1470 x 1058 px

About the Object

Name:HD101584
Type:Milky Way : Star : Evolutionary Stage : Red Giant
Constellation:Centaurus
Category:Stars

Image Formats

Large JPEG
183.9 KB
Screensize JPEG
97.2 KB

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Wallpapers

1024x768
123.0 KB
1280x1024
170.0 KB
1600x1200
211.4 KB
1920x1200
239.4 KB
2048x1536
291.1 KB

Coordinates

Position (RA):11 40 58.81
Position (Dec):-55° 34' 25.81"
Field of view:0.25 x 0.18 arcminutes
Orientation:North is 0.0° left of vertical

Colours & filters

BandWavelengthTelescope
Millimeter
CO (2-1)
1.3 mmAtacama Large Millimeter/submillimeter Array
Band 6
Millimeter
CO (2-1)
1.3 mmAtacama Large Millimeter/submillimeter Array
Band 6
Millimeter
CO (2-1)
1.3 mmAtacama Large Millimeter/submillimeter Array
Band 6

 

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