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Investigation of Chemical Differentiation among the NGC2264 Cluster-Forming Clumps
Kotomi Taniguchi, Adele Plunkett, Eric Herbst +4
We have carried out mapping observations of molecular emission lines of HCN and CHOH toward two massive cluster-forming clumps, NGC2264-C and NGC2264-D, using the Nobey…
Efficient Production of S in Interstellar Ices: The effects of cosmic ray-driven radiation chemistry and non-diffusive bulk reactions
Christopher N. Shingledecker, Thanja Lamberts, Jacob C. Laas +4
In this work, we reexamine sulfur chemistry occurring on and in the ice mantles of interstellar dust grains, and report the effects of two new modifications to standard astrochemic…
C Isotopic Fractionation of CCH in Two Starless Cores: L1521B and L134N
Kotomi Taniguchi, Eric Herbst, Hiroyuki Ozeki +1
We have carried out observations of CCH and its two C isotopologues, CCH and CCH, in the 84 - 88 GHz band toward two starless cores, L1521B and L134N (L183), u…
ALMA Detection of Vibrationally Excited () Acetic Acid toward NGC 6334I
Ci Xue, Anthony J. Remijan, Crystal L. Brogan +3
Vibrationally excited states of detected interstellar molecules have been shown to account for a large portion of unidentified spectral lines in observed interstellar spectra towar…
Cyanopolyyne Chemistry around Massive Young Stellar Objects
Kotomi Taniguchi, Eric Herbst, Paola Caselli +3
Recent radio astronomical observations have revealed that HCN, the second shortest cyanopolyyne (HCN), is abundant around some massive young stellar objects (MYSOs),…
Modeling C-Shock Chemistry in Isolated Molecular Outflows
Andrew M. Burkhardt, Christopher N. Shingledecker, Romane Le Gal +3
Shocks are a crucial probe for understanding the ongoing chemistry within ices on interstellar dust grains where many complex organic molecules (COMs) are believed to be formed. Ho…