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High-angular observations (6 au scale) toward a young protostellar system TMC1A
Image Credit: Daniel Harsono
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High-angular observations (6 au scale) toward a young protostellar system TMC1A
ALMA long baselines observations (~6 au) of a low-mass protostar TMC1A. The dust continuum emission in orange and integrated molecular lines 13CO (green) and C18O (blue) are shown. The molecular emission falls off steeply at 30 au because of optically thick dust emission caused by large (up to millimeter) dust grains.