Star-forming region Gum 29

This image shows the star-forming region Gum 29 which surrounds star cluster Westerlund 2. This is a section of the new NASA/ESA Hubble Space Telescope image of Westerlund 2 and its surroundings, released to celebrate Hubble’s 25th anniversary.

Some of the heftiest stars in Westerlund 2 are carving deep cavities in material surrounding them by unleashing torrents of ultraviolet light and high speed streams of charged particles, known as stellar winds. These are etching away the enveloping hydrogen gas cloud in which the stars were born and are responsible for the weird and wonderful shapes of the clouds of gas and dust in this image.

The brightest stars in this image are Milky Way foreground stars not associated with Westerlund 2.

Credit:

NASA, ESA, the Hubble Heritage Team (STScI/AURA), A. Nota (ESA/STScI), and the Westerlund 2 Science Team

About the Image

Id:heic1509d
Type:Observation
Release date:23 April 2015, 15:15
Related releases:heic1509
Size:3000 x 2000 px

About the Object

Name:Gum 29, Westerlund 2
Type:Milky Way : Star : Grouping : Binary
Early Universe : Star : Grouping : Cluster
Milky Way : Nebula : Appearance : Emission : H II Region
Milky Way : Nebula : Type : Star Formation
Distance:20000 light years
Constellation:Carina
Category:Nebulae
Star Clusters

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Coordinates

Position (RA):10 24 17.73
Position (Dec):-57° 44' 18.64"
Field of view:2.07 x 1.38 arcminutes
Orientation:North is 3.8° left of vertical

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