Table 3
S-methyl thioformate column densities.
| Orion KL(a) | Orion KL(a) | Sgr B2(b) | |
|---|---|---|---|
| (MF peak) | (ET peak) | (IRAM 30m) | |
| Coordinates | α = 05h 35m 14.1s | α = 05h 35m 14.4s | α = 17h47m20.0s |
| (J2000.0) | δ = −05° 22′ 36.8″ | δ = −05° 22′ 34.74″ | δ = −28°22′19.0″ |
| HPBW (c) (″) | ~2.0 × 1.5 | ~2.0 × 1.5 | 30−21 |
| Freq.(d) (GHz) | 213.7−246.6 | 213.7−246.6 | 80−115.5 |
| vLSR (km s−1) | 7.5 | 8.0 | 63.5 / 73.5 |
| ΔvFWHM (km s−1) | 2.0 | 3.0 | 7.0 / 7.0 |
| dsou (″) | 3.0 | 3.0 | 4.0 / 4.0 |
| Trot (K) | 150 | 150 | 80 / 80 |
| N(CH3SCOH) | ≤1.0 × 1014 | ≤1.0 × 1014 | ≤2.0 / 1.0 × 1016 |
| (cm−2) | |||
Notes. (a) Physical parameters derived for the main spectral component of HCOOCH3 by Tercero et al. (2018). (b)Physical parameters derived for two spectral components of HCOOCH3 by Belloche et al. (2013). (c)Half power beam width (HPBW) for observations with a single-dish telescope (IRAM 30m) and synthetic beam for the ALMA SV observations. (d) Range of frequencies considered in the analysis.
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