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24 papers · 2 filters
The first Galaxy scale hunt for the youngest high-mass protostars
T. Csengeri, S. Bontemps, F. Wyrowski +17
The origin of massive stars is a fundamental open issue in modern astrophysics. Pre-ALMA interferometric studies reveal precursors to early B to late O type stars with collapsing e…
The interstellar chemistry of H2C3O isomers
Jean-Christophe Loison, Marcelino Agúndez, Núria Marcelino +6
We present the detection of two H2C3O isomers, propynal and cyclopropenone, toward various starless cores and molecular clouds, together with upper limits for the third isomer prop…
Velocity resolved [CII] spectroscopy of the center and the BCLMP302 region of M33 (HerM33es)
B. Mookerjea, F. Israel, C. Kramer +8
We aim to understand the contribution of the ionized, atomic and molecular phases of the ISM to the [CII] emission from clouds near the dynamical center and the BCLMP302 HII region…
Mapping CO Gas in the GG Tauri A Triple System with 50 AU Spatial Resolution
Ya-Wen Tang, Anne Dutrey, Stephane Guilloteau +11
We aim to unveil the observational imprint of physical mechanisms that govern planetary formation in the young, multiple system GG Tau A. We present ALMA observations of CO…
The Physics of Water Masers observable with ALMA and SOFIA: Model Predictions for Evolved Stars
M. D. Gray, A. Baudry, A. M. S. Richards +3
We present the results of models that were designed to study all possible water maser transitions in the frequency range 0-1.91THz, with particular emphasis on maser transitions th…
Physical conditions in the central molecular zone inferred by H3+
Franck Le Petit, Maxime Ruaud, Emeric Bron +4
The H3+ molecule has been detected in many lines of sight within the central molecular zone (CMZ) with exceptionally large column densities and unusual excitation properties compar…