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Table 1

Beam shapes and position angles for each target, and the rms calculated for each spectral window and a spectral resolution of 0.490 MHz.

Target Beam size (″) Beam PA (°) rms216 (K) rms232 (K)
L1551 IRS 5 0.204 × 0.189 −60.8 1.35 1.27
Haro 5a IRS 0.278 × 0.141 −78.2 1.35 1.27
V346 Nor 0.171 × 0.116 +87.3 1.34 1.30
OO Ser 0.221 × 0.152 −68.3 1.35 1.27

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