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Sgr B2 Deep South

JWST and ALMA on the same three fields

Three regions of Sgr B2 DS, a few arcseconds each. Each one is shown first in background-subtracted JWST NIRCam, then crossfaded to the ALMA 1.3 mm continuum on exactly the same sky. Registration is by WCS, so the two never drift.

Background: JWST/MIRI and NIRCam press-release images (NASA, ESA, CSA, STScI). Science frames: background-subtracted JWST NIRCam and ALMA 2017.1.00114.S Band 6 continuum, with SiO J=5-4 contours.

Sgr B2 Deep South

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Fields
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Overlays

Sgr B2 Deep South

Three fields in Sgr B2 Deep South, each shown in JWST and then ALMA. Press ▶ to play.

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