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Image for: In Orion, Herschel finds the youngest stars yet


Three of the PACS Bright Red Sources (PBRS) found with the Herschel Space Telescope, which appear to be among the youngest known protostars. The leftmost panel shows an image taken with the Spitzer Space Telescope (at 24 µm) in which the upper two objects are completely invisible, while the lower one is not clearly identifiable as a protostar. The two panels on the right show images taken with the Herschel Space Telescope (at 70 µm) and with the APEX submillimeter telescope (at 350 µm), which allowed for the identification of all three objects as some of the earliest known protostars yet.
Three of the PACS Bright Red Sources (PBRS) found with the Herschel Space Telescope, which appear to be among the youngest known protostars. The leftmost panel shows an image taken with the Spitzer Space Telescope (at 24 µm) in which the upper two objects are completely invisible, while the lower one is not clearly identifiable as a protostar. The two panels on the right show images taken with the Herschel Space Telescope (at 70 µm) and with the APEX submillimeter telescope (at 350 µm), which allowed for the identification of all three objects as some of the earliest known protostars yet.

Credit: A. M. Stutz (MPIA)

(44 KB, 510 x 162 pixels)

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