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Table 7
Input parameters used for the LTE modeling.
Parameters used for GBT (100 m)(a) | |
---|---|
Column density of H2 | 1024 cm−2 |
Column density of propylene oxide | 1.0 × 1013 cm−2 |
Excitation temperature (Tex) | 5 K |
Background temperature (TC) | 2.73 K (default for LTE) |
FWHM | 15 km s−1 |
Source size (θs) | 20″ |
Beam size (θb) | ![]() |
Beam dilution | B = ![]() |
Parameters used for ALMA (400 m) (b) | |
Column density of H2 | 1024 cm−2 |
Column density of propylene oxide | 1.74 × 1016 cm−2 |
Excitation temperature (Tex) | 150 K |
Background temperature (TC) | 2.73 K (default for LTE) |
FWHM | 5 km s−1 |
Source size | 3.0″ |
Beam dilution | 1 |
References. (a) GBT model parameters are based on McGuire et al. (2016). (b)ALMA parameters are based on the model of this work.
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