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Resource Record Summary

Catalog Service:
APEX spectra of massive YSOs

Short name: J/A+A/570/A49
IVOA Identifier: ivo://CDS.VizieR/J/A+A/570/A49
DOI (Digital Object Identifier): 10.26093/cds/vizier.35700049
Publisher: CDS[+][Pub. ID]
More Info: https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/570/A49
VO Compliance: Level 2: This is a VO-compliant resource.
Status: active
Registered: 2014 Oct 15 08:47:19Z
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Description


Molecular outflows are a direct consequence of accretion, and therefore they represent one of the best tracers of accretion processes in the still poorly understood early phases of high-mass star formation. Previous studies suggested that the SiO abundance decreases with the evolution of a massive young stellar object probably because of a decay of jet activity, as witnessed in low-mass star-forming regions. We investigate the SiO excitation conditions and its abundance in outflows from a sample of massive young stellar objects through observations of the SiO(8-7) and CO(4-3) lines with the APEX telescope.

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Developed with the support of the National Science Foundation
under Cooperative Agreement AST0122449 with the Johns Hopkins University
The NAVO project is a member of the International Virtual Observatory Alliance

This NAVO Application is hosted by the Space Telescope Science Institute

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