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Tracing shock type with chemical diagnostics: an application to L1157
Tomas James, Serena Viti, Jonathan Holdship +1
Aims: The physical structure of a shock wave may take a form unique to its shock type, implying that the chemistry of each shock type is unique as well. We aim to investigate the d…
Chemical complexity in high-mass star formation: An observational and modeling case study of the AFGL 2591 VLA 3 hot core
C. Gieser, D. Semenov, H. Beuther +30
We present a detailed observational and modeling study of the hot core VLA 3 in the high-mass star-forming region AFGL 2591, which is a target region of the NOrthern Extended Milli…
VLA cm-wave survey of young stellar objects in the Oph A cluster: constraining extreme UV- and X-ray-driven disk photo-evaporation -- A pathfinder for Square Kilometre Array studies
A. Coutens, H. B. Liu, I. Jiménez-Serra +28
Observations of young stellar objects (YSOs) in centimeter bands can probe the continuum emission from growing dust grains, ionized winds, and magnetospheric activity, which are in…
From grains to pebbles: the influence of size distribution and chemical composition on dust emission properties
N. Ysard, M. Koehler, I. Jimenez-Serra +2
The size and composition of dust grains are critical in setting the dynamical, physical and chemical evolution of the media in which they are present. Thanks to facilities such as…
Sulfur Chemistry in L1157-B1
Jonathan Holdship, Izaskun Jimenez-Serra, Serena Viti +7
The main carrier of sulfur in dense clouds, where it is depleted from the gas phase, remains a mystery. Shock waves in young molecular outflows disrupt the ice mantles and allow us…
Nitrogen Fractionation in External Galaxies
Serena Viti, Francesco Fontani, Izaskun Jimenez-Serra +1
In star forming regions in our own Galaxy, the 14N/15N ratio is found to vary from 100 in meteorites, comets and protoplanetary disks up to 1000 in pre-stellar and st…