New stars around Westerlund 2

The red dots scattered throughout the cosmic landscape captured in this NASA/ESA Hubble Space Telescope image are a rich population of forming stars that are still wrapped in their gas and dust cocoons.

These stellar foetuses have not yet ignited the hydrogen in their cores to light-up as stars. However, Hubble’s near-infrared vision allows astronomers to identify these fledglings. The brilliant blue stars seen throughout the image are mostly in the foreground.

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.

Credit:

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

About the Image

Id:heic1509f
Type:Observation
Release date:23 April 2015, 15:15
Related releases:heic1509
Size:3000 x 2000 px

About the Object

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

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Large JPEG
1.6 MB
Screensize JPEG
225.9 KB

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Coordinates

Position (RA):10 23 58.70
Position (Dec):-57° 47' 21.40"
Field of view:1.55 x 1.03 arcminutes
Orientation:North is 7.7° right of vertical

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