Table 1
Sample of sources.
| Source | α J2000 a | δ J2000 a | D b | L bol b | νLSR c |
| (h:m:s) | (°:′:′′) | (pc) | (L⊙) | (km s-1) | |
|
|
|||||
| IRAS4Ad | 03:29:10.43 | 31:13:32.2 | 235 | 9.1 | +7.2 |
| L1448C | 03:25:38.88 | 30:44:05.3 | 235 | 9.0 | +5.2 |
| L1157 | 20:39:06.27 | 68:02:15.7 | 325 | 4.7 | +2.8 |
| IRAS4B | 03:29:12.01 | 31:13:08.1 | 235 | 4.4 | +6.7 |
Notes.
Source positions were derived from uv fits of the CALYPSO continuum data, see Maury et al. (in prep.).
Obtained from C18O spectra, extracted at the source positions. The systemic velocity is derived from Gaussian line fits or is assumed as the velocity where self-absorption is observed.
The coordinates correspond to the IRAS4A2 source. We detect compact methanol emission only towards this component of the IRAS4A binary system (compare Santangelo et al. 2015).
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