5 papers
Tracing the sulfur depletion in starless and pre-stellar cores
L. Schöller, S. Spezzano, O. Sipilä +4
Sulfur is one of the most abundant elements in the Universe, yet the sulfur budget inferred from the observed sulfur-bearing molecules in dense cores is significantly lower than ex…
High Resolution Overtone Spectroscopy of HNC and HCN
Miguel Jiménez-Redondo, Chiara Schleif, Julianna Palotás +5
Rotationally resolved spectra of the HNC and HCN molecular ions have been recorded in the spectral range between 6200 and 6800 \rcm\ using a cryogenic ion trap instrument.…
High deuteration of methanol in L1544
S. Spezzano, W. Riedel, P. Caselli +7
Isotopic fractionation is a very powerful tool to follow the evolution of material from one stage to the next in the star-formation process. Pre-stellar cores exhibit some of the h…
Near-infrared high resolution overtone spectroscopy of the hydronium ion HO: the and bands
Chiara Schleif, Hayley A. Bunn, Miguel Jiménez-Redondo +2
This work presents the rovibrational spectra of the two strongest first overtone bands of the asymmetric stretching mode ( and ) of the hydronium ion…
Laboratory rotational spectroscopy leads to the first interstellar detection of singly deuterated methyl mercaptan (CHDSH)
Hayley A. Bunn, Silvia Spezzano, Laurent H. Coudert +8
We report an extensive rotational spectroscopic analysis of singly deuterated methyl mercaptan (CHDSH) using both millimeter and far-infrared synchrotron spectra to achieve a…