Galaxies from the last 10 billion years witnessed in the 3D-DASH program, created using 3D-DASH/F160W and ACS-COSMOS/F814W imaging (image by Lamiya Mowla)
Galaxies from the last 10 billion years witnessed in the 3D-DASH program, created using 3D-DASH/F160W and ACS-COSMOS/F814W imaging (image by Lamiya Mowla) - An international team of scientists recently released the largest near-infrared image ever taken by NASA's Hubble Space Telescope, enabling astronomers to map the star-forming regions of the universe and learn how the earliest, most distant galaxies originated. Named 3D-DASH, this high-resolution survey will allow researchers to find rare objects and targets for follow-up observations with the recently launched James Webb Space Telescope (JWST) during its decades-long mission. A preprint of the paper to be published in The Astrophysical Journal is available on arXiv. Lamiya Mowla - "Since its launch more than 30 years ago, the Hubble Space Telescope has led a renaissance in the study of how galaxies have changed in the last 10 billion years of the universe," says Lamiya Mowla , Dunlap Fellow at the Faculty of Arts & Science's Dunlap Institute for Astronomy & Astrophysics at the University of Toronto and lead author of the study. "The 3D-DASH program extends Hubble's legacy in wide-area imaging so we can begin to unravel the mysteries of the galaxies beyond our own." For the first time, 3D-DASH provides researchers with a complete near-infrared survey of the entire COSMOS field, one of the richest data fields for extragalactic studies beyond the Milky Way. As the longest and reddest wavelength observed with Hubble - just beyond what is visible to the human eye - near-infrared means astronomers are better able to see the earliest galaxies that are the farthest away.
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