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Table 1:

H2O and H218O emissiona in the NGC 1333 sourcesb.
      Medium   Broad
Source Transition rmsc $T_{\rm MB}^{\rm peak}$ $\int T_{\rm MB}~{\rm d}\varv$   $T_{\rm MB}^{\rm peak}$ $\int T_{\rm MB}~{\rm d}\varv$
    (mK) (K) (K km s-1)   (K) (K km s-1)
IRAS 2A H2O 111-000 22 0.22 2.7   0.10 4.1
  202-111 25 0.25 2.5   0.12 5.6
  211-202 23 0.16 1.9   0.06 2.7
  312-303 79 0.14 1.5   0.06 2.7
  312-221 52 0.13 1.5   0.08 3.8
  H218O 110-101 2 ... <0.01   0.01 0.14
  111-000 22 ... <0.07   ... <0.12
  202-111 12 ... <0.04   ... <0.06
  312-303 19 ... <0.06   ... <0.10
FWHMd (km s-1) 10.7 $\pm$ 0.8   42 $\pm$ 3
$\varv _{\rm LSR}$d (km s-1) +10.7 $\pm$ 0.8   -2.3 $\pm$ 3.4
IRAS 4A H2O 111-000 23 0.36 4.9   0.35 15.3
  202-111 24 0.34 3.8   0.45 18.0
  211-202 23 0.14 0.8   0.43 14.0
  312-221 100 0.07 0.4   0.32 13.6
  H218O 110-101 3 ... <0.01   0.02 0.43
  111-000 23 ... <0.06   ... <0.09
FWHMd (km s-1) 11.1 $\pm$ 2.3   37 $\pm$ 4
$\varv _{\rm LSR}$d (km s-1) -0.6 $\pm$ 0.5   +8.7 $\pm$ 1.0
IRAS 4B H2O 111-000 29 1.1 5.1   0.54 14.0
  202-111 23 0.63 3.5   0.65 17.6
  211-202 17 0.37 1.8   0.40 10.2
  312-221 150 0.32 1.3   0.76 17.5
  H218O 110-101 3 ... <0.01   0.02 0.43
  111-000 16 ... <0.03   ... <0.04
FWHMd (km s-1) 4.6 $\pm$ 0.5   24 $\pm$ 2
$\varv _{\rm LSR}$d (km s-1) +8.1 $\pm$ 0.3   +8.0 $\pm$ 0.5

Notes. (a) Obtained from Gaussian fits to each component. In the case of H2O 111-000, this includes extrapolation over the absorption feature. (b) The coordinates used are for IRAS2A: 03:28:55.6; +31:14:37.1, IRAS4A: 03:29:10.5; +31:13:30.9, IRAS4B: +03:29:12.0; +31:13:08.1 (J2000). (d) Measured in 0.5 km s-1 bins. (e) Intensity-weighted average of values determined from Gaussian fits of H216O emission lines. Uncertainties include statistical errors only.


Source LaTeX | All tables | In the text

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