Relative abundances in different sources.
|IRAS 16293-2422||8||12||this study|
|Sgr B2(N)||≥ 3.6−14.5 a||3.7−7.4 b||Belloche et al. (2013)|
|Survey of massive SF regions||–||1.2−13.2||Ikeda et al. (2001)|
|Chemical model: peak gas-phase||0.22: 0.83: 0.07c||–||Garrod (2013)|
|Chemical model: peak grain-surface||0.37: 2.3: 0.39c||–||Garrod (2013)|
|Chemical model of hot cores||–||1d||Occhiogrosso et al. (2014)|
Range reflects span for rotational states in the Voff = 0 km s-1 and the Voff = 10 km s-1 components of Sgr B2(N). Propanal is not detected, therefore the upper limit is used after correction for a similar beam filling factor.
Range reflects span for the rotational and first torsionally (νt = 1) excited states of acetaldehyde in the Voff = −1 km s-1 component of Sgr B2(N).
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