OBSERVATIONS OF WARM CARBON CHAIN CHEMISTRY IN NGC 3576

We report observations of warm carbon chain chemistry (WCCC) in NGC 3576, including high angular resolution imaging of an ionization source candidate and the first detection of C sub(5)H in a massive star-forming region. In order to investigate the environment associated with birthline emergence, we...

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Published in:The Astrophysical journal 2015-01, Vol.798 (1), p.1-9
Main Authors: Saul, M, Tothill, N F H, Purcell, C R
Format: Article
Language:English
Subjects:
Angular resolution
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
CARBON
Chains
COSMOCHEMISTRY
Emission
Fluid dynamics
Fluid flow
IONIZATION
MAIN SEQUENCE STARS
NITRILES
PROTOSTARS
RESOLUTION
STAR CLUSTERS
STAR EVOLUTION
Star formation
TURBULENCE
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cited_by cdi_FETCH-LOGICAL-c407t-5a8369e5bfddea4b16f2273cede1da2b860c320ddc4c98ff44880f5510af8fb43
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creator Saul, M
Tothill, N F H
Purcell, C R
description We report observations of warm carbon chain chemistry (WCCC) in NGC 3576, including high angular resolution imaging of an ionization source candidate and the first detection of C sub(5)H in a massive star-forming region. In order to investigate the environment associated with birthline emergence, we ask how observed chemical conditions relate to Class 0/1 core differentiation: a systemic shift in peak position between species correlates with giant molecular cloud core gradients in turbulence and age. Emission in several molecular lines including HC sub(3)N (11-10), NH sub(3) (1, 1), and C sub(5)H supports the G291.3-0.7 ionization front-transitional pre-main-sequence core interaction regulating the WCCC environment.
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subjects Angular resolution
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
CARBON
Chains
COSMOCHEMISTRY
Emission
Fluid dynamics
Fluid flow
IONIZATION
MAIN SEQUENCE STARS
NITRILES
PROTOSTARS
RESOLUTION
STAR CLUSTERS
STAR EVOLUTION
Star formation
TURBULENCE
title OBSERVATIONS OF WARM CARBON CHAIN CHEMISTRY IN NGC 3576
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