90 citations · 669 across the 18 of their papers we have counts for
18 papers
Statistical nuclear spin ratios of deuterated ammonia in the pre-stellar core L1544
Jorma Harju, Paola Caselli, Olli Sipilae +6
We determined the ortho/para (o/p) ratios of NH2D and NHD2 in the archetypical pre-stellar core L1544. The core was observed in the two lowest rotational lines of ortho- and para-N…
CHemical Evolution in MassIve star-forming COres (CHEMICO). I. Evolution of the temperature structure
F. Fontani, V. M. Rivilla, E. Roueff +8
Increasing evidence shows that most stars in the Milky Way, including the Sun, are born in star-forming regions containing also high-mass stars, but due to both observational and t…
CHEMOUT: CHEMical complexity in star-forming regions of the OUTer Galaxy III. Nitrogen isotopic ratios in the outer Galaxy
L. Colzi, D. Romano, F. Fontani +6
Nitrogen isotopic ratios are a key tool for tracing Galactic stellar nucleosynthesis. We present the first study of the N/N abundance ratio in the outer regions of th…
High sensitivity maps of molecular ions in L1544: I. Deuteration of N2H+ and HCO+ and first evidence of N2D+ depletion
Elena Redaelli, Luca Bizzocchi, Paola Caselli +4
Context. The deuterium fraction in low-mass prestellar cores is a good diagnostic indicator of the initial phases of star formations, and it is also a fundamental quantity to infer…
The chemical structure of the very young starless core L1521E
Z. Nagy, S. Spezzano, P. Caselli +5
L1521E is a dense starless core in Taurus that was found to have relatively low molecular depletion by earlier studies, thus suggesting a recent formation. We aim to characterize t…
Mapping deuterated methanol toward L1544: I. Deuterium fraction and comparison with modeling
A. Chacon-Tanarro, P. Caselli, L. Bizzocchi +7
The study of deuteration in pre-stellar cores is important to understand the physical and chemical initial conditions in the process of star formation. In particular, observations…