Westerlund 2 — Hubble’s 25th anniversary image

This NASA/ESA Hubble Space Telescope image of the cluster Westerlund 2 and its surroundings has been released to celebrate Hubble’s 25th year in orbit and a quarter of a century of new discoveries, stunning images and outstanding science.

The image’s central region, containing the star cluster, blends visible-light data taken by the Advanced Camera for Surveys and near-infrared exposures taken by the Wide Field Camera 3. The surrounding region is composed of visible-light observations taken by the Advanced Camera for Surveys.

Credit:

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

The original observations of Westerlund 2 were obtained by the science team: Antonella Nota (ESA/STScI), Elena Sabbi (STScI), Eva Grebel and Peter Zeidler (Astronomisches Rechen-Institut Heidelberg), Monica Tosi (INAF, Osservatorio Astronomico di Bologna), Alceste Bonanos (National Observatory of Athens, Astronomical Institute), Carol Christian (STScI/AURA) and Selma de Mink (University of Amsterdam). Follow-up observations were made by the Hubble Heritage team: Zoltan Levay (STScI), Max Mutchler, Jennifer Mack, Lisa Frattare, Shelly Meyett, Mario Livio, Carol Christian (STScI/AURA), and Keith Noll (NASA/GSFC).

About the Image

Id:heic1509a
Type:Observation
Release date:23 April 2015, 15:15
Related releases:heic1509
Size:8919 x 6683 px

About the Object

Name:Gum 29, RCW 49, Westerlund 2, WR 20a
Type:Milky Way : Star : Grouping : Cluster : Open
Milky Way : Nebula
Distance:20000 light years
Constellation:Carina
Category:Nebulae
Star Clusters

Image Formats

Large JPEG
22.7 MB
Screensize JPEG
358.4 KB

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Wallpapers

1024x768
456.1 KB
1280x1024
704.7 KB
1600x1200
971.1 KB
1920x1200
1.1 MB
2048x1536
1.4 MB

Coordinates

Position (RA):10 24 6.50
Position (Dec):-57° 45' 48.42"
Field of view:7.44 x 5.57 arcminutes
Orientation:North is 8.8° left of vertical

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