Table 4
Properties of the blue- and red-shifted SiO knots closest to the driving sources, B and R, as derived from the spectra in Fig. C.1.
| Source | RAoff, Decoff (a) | Distance(b) | HV(c) | Vrad (d) | Vrad, f∕Vrad, s (e) | FCO(f) | FSO(f) | FSiO(f) | |
|---|---|---|---|---|---|---|---|---|---|
| (′′,′′) | (′′) | (km s−1) | (km s−1) | (K km s−1) | (K km s−1) | (K km s−1) | |||
| SerpM-S68Nb | B | (+5.99, −2.05) | 6.33 | − 50∕−20 | − 45 | 7.8 ± 2.3 | <0.8 | – | 25.0 |
| R | (−6.91, +2.05) | 7.21 | + 17∕+40 | + 6 | 6.5 | – | 20.3 | ||
| IRAS4B1 | B | (+0.57, −1.27) | 1.39 | − 30∕−5 | − 17 | 1.0 ± 0.1 | 27.8 | – | 72.1 |
| R | (−0.53, +2.53) | 2.58 | + 16∕+50 | + 17 | 55.4 | 5.6 | 169.3 | ||
| SerpM-SMM4b | B | (−0.28, +0.91) | 0.95 | − 38∕−8 | − 39 | 1.1 ± 0.1 | 47.0 | 27.8 | 68.3 |
| R | (+0.23, −0.49) | 0.54 | + 30∕+60 | + 36 | 74.4 | 8.8 | 69.2 | ||
| SVS13B | B | (+0.37, −1.61) | 1.65 | − 37∕+8.5 | − 24 | 1.4 ± 0.2 | <3.0 | – | 50.2 |
| R | (−0.03, +0.39) | 0.39 | + 8.5∕+58 | + 16 | <3.0 | – | 77.6 | ||
| L1448NB | B | (−1.98, +0.53) | 2.05 | − 34∕−20 | − 34 | 1.1 ± 0.1 | <1.7 | – | 41.7 |
| R | (+0.82, +0.03) | 0.82 | + 40∕+54 | + 37 | 27.8 | 1.1 | 17.6 | ||
| L1157 | B | (+0.00, −0.22) | 0.22 | − 60∕−20 | − 34 | 1.6 ± 0.1 | 22.0 | – | 143.9 |
| R | (−0.10, +0.58) | 0.58 | + 30∕+70 | + 54 | 45.2 | – | 125.4 | ||
| IRAS4A1 | B | (+0.31, −1.47) | 1.50 | − 30∕−10 | − 16 | 2.1 ± 0.2 | 77.5 | 9.4 | 16.9 |
| R | (+0.21, +1.33) | 1.35 | + 30∕+70 | + 34 | 276.6 | 37.6 | 28.5 | ||
| IRAS4A2 | B | (+0.11, −2.31) | 2.31 | − 10∕+6.3 | − 6 | 1.1 ± 0.4 | 177.5 | 47.2 | 25.2 |
| R | (+0.71, +2.29) | 3.40 | + 6.3∕+40 | + 7 | 145.1 | 58.1 | 55.2 | ||
| L1448-C | B | (−0.30, +1.10) | 1.14 | − 70∕−22 | − 51 | 1.1 ± 0.1 | 160.5 | 64.7 | 501.1 |
| R | (+0.30, −0.80) | 0.85 | + 25∕+85 | + 48 | 222.5 | 75.8 | 869.7 | ||
| SerpM-S68N | B | (−5.46, +5.39) | 7.67 | − 7∕+5 | − 4 | 1.5 ± 1.1 | 30.0 | 7.6 | 32.6 |
| R | (+2.54, −2.91) | 3.86 | + 12∕+21 | + 3 | <0.7 | – | 8.5 | ||
| SerpS-MM18a | B | (−0.10, −0.90) | 0.91 | − 17∕−2 | − 10 | 1.3 ± 0.3 | 191.1 | 63.7 | 159.2 |
| R | (+0.30, +2.90) | 2.92 | + 21∕+32 | + 13 | 98.9 | 34.3 | 71.2 | ||
| IRAS2A1 | B | (−0.58, −1.07) | 1.22 | − 32∕−9 | − 24 | – | 150.3 | 113.2 | 181.6 |
Notes. (a) RA and Dec offset of the innermost SiO knots B and R. (b)Distance of the innermost SiO knots B and R. (c)High-velocity range (HV) where CO (2−1) and SO (56−45) trace jet emission as SiO (5−4). (d) Jet radial velocity in the innermost SiO knots B and R estimated as the velocity of the SiO emission peak in the B and R spectra with respect to the source systemic velocity given in Table 1. The estimated jet radial velocities are affected by an uncertainty of ± 1.7 km s−1 due to the resolution of our spectra. (e)Ratio between the radial velocities, Vrad, of the blue- and red-shifted innermost knots, B and R. The ratio is computed between the velocity of the faster knot, Vrad, f, over the velocity of the slower knot, Vrad, s. (f) CO (2− 1), SO (56 − 45), and SiO (5− 4) line intensity integrated on the high-velocity range (HV) (FCO, FSO, FSiO).
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