A ~40 solar-mass protostar in Sgr C is surrounded by a Keplerian disk of centrifugal radius 1300 au, free-falling streamers, and an envelope accretion rate of 7e-3 solar masses per year.
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Acetone detected in 15 of 60 hot cores shows strong correlation (r=0.82) with acetaldehyde column densities and models overpredict the acetone-to-methanol ratio.
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The Keplerian disk, envelope, and streamers surrounding an early O-type protostar in the Sagittarius C cloud of the Central Molecular Zone
A ~40 solar-mass protostar in Sgr C is surrounded by a Keplerian disk of centrifugal radius 1300 au, free-falling streamers, and an envelope accretion rate of 7e-3 solar masses per year.
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ALMA Observations of Acetone in Hot Cores
Acetone detected in 15 of 60 hot cores shows strong correlation (r=0.82) with acetaldehyde column densities and models overpredict the acetone-to-methanol ratio.