Star on a Hubble diet

Left: ACS WFC image of NGC 6357 with Pismis 24-1 in the centre (the brightest star). Middle: Looking closer at Pismis 24-1 with Hubble's ACS High Resolution Channel it becomes clear that it is in reality two stars.Right: ACS HRC image close-up showing the two stars of Pismis 24-1. It was thought to have an incredibly large mass of 200 to 300 solar masses. New NASA/ESA Hubble measurements of the star, have, however, resolved Pismis 24-1 into two separate stars, and, in doing so, have "halved" its mass to around 100 solar masses.

Credit:

NASA, ESA and Jesœs Ma­z Apellÿniz (Instituto de astrof­sica de Andaluc­a, Spain). Acknowledgement: Davide De Martin (ESA/Hubble)

About the Image

Id:heic0619b
Type:Collage
Release date:11 December 2006, 19:30
Related releases:heic0619
Size:9124 x 3965 px

About the Object

Name:Cl Pismis 24, Pismis 24, Pismis 24-1
Type:• Milky Way : Star : Grouping : Cluster
• X - Star Clusters Images/Videos
Distance:8000 light years

Colours & filters

BandTelescope
Optical Hubble Space Telescope
ACS
Optical Hubble Space Telescope
ACS
Optical Hubble Space Telescope
ACS
Optical Hubble Space Telescope
ACS
Infrared Hubble Space Telescope
ACS

Image Formats

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6.9 MB
Screensize JPEG
91.0 KB

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