Table 3.
N-ethylformamide column densities.
| Orion KL (c) | Sgr B2 (d) | |
|---|---|---|
| (ALMA SV) | (IRAM 30 m) | |
| Coordinates | α = 5h35m14.5s | α = 17h47m20.0s |
| (J2000.0) | δ = −05°22′33.0″ | δ = −28°22′19.0″ |
| HPBW (a) (″) | ∼2.0 × 1.5 | 30–21 |
| Frequency (b) (GHz) | 213.7–246.6 | 80–115.5 |
| vLSR (km s−1) | 8.0 | 63.0 |
| ΔvFWHM (km s−1) | 3.0 | 7.0 |
| dsou (″) | 3.0 | 2.4 |
| Trot (K) | 150 | 180 |
| N(NH2CHO) (cm−2) | 3.0 × 1015 | 1.3 × 1018 |
| N(CH3NHCHO) (cm−2) | ≤1.0 × 1015 | ≤2.0 × 1017 |
| N(NEFA) (cm−2) | ≤1.0 × 1014 | ≤1.0 × 1017 |
| N(NH2CHO)/N(CH3NHCHO) | ≥3 | ≥6.5 |
| N(NH2CHO)/N(NEFA) | ≥30 | ≥13 |
Notes.
HPBW (half power beam width) for observations with single-dish telescope (IRAM 30m) and synthetic beam for the ALMA SV observations.
Physical parameters derived for the main spectral component of NH2CHO by Cernicharo et al. (2016).
Physical parameters derived for the main spectral component of NH2CHO by Belloche et al. (2013).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.