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