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Table 3

Results of the spectral fit of the hyperfine components performed using the GILDAS-CLASS tool: sum of the opacities, line width, and peak velocity.

Species τ FWHM Vpeak
(km s−1) (km s−1)
L1489-IRS

C15N ≤0.1 1.1 (0.3) +7.59 (0.16)
CCD ≤0.1 1.7 (0.4) +7.75 (0.21)
DCN 1.0 (0.1) 1.5 (0.3) +7.75 (0.12)

B5-IRS1

13CN ≤0.1 0.8 (0.1) +10.10 (0.01)
13CS 2.5 (2.3) 0.6 (0.1) +9.94 (0.01)
CCD ≤0.4 0.8 (0.1) +10.10 (0.01)
DCN ≤0.1 0.9 (0.1) +10.20 (0.01)
N2D+ ≤0.1 0.6 (0.1) +10.20 (0.01)

L1455-IRS1

13CN 4.4 (2.9) 0.8 (0.1) +4.83 (0.01)
13CS ≤0.1 1.6 (0.1) +4.66 (0.01)
CCD ≤0.1 0.6 (0.1) +4.74 (0.01)
DCN ≤0.1 1.4 (0.1) +4.43 (0.01)
N2D+ ≤0.2 0.6 (0.1) +4.79 (0.01)

L1551-IRS5

13CN 2.8 (1.0) 1.0 (0.1) +6.33 (0.01)
C15N 1.0 (0.5) 0.6 (0.1) +5.97 (0.02)
13CS ≤0.1 1.4 (0.1) +6.51 (0.03)
CCD ≤0.1 1.1 (0.1) +6.38 (0.01)
DCN ≤0.1 1.3 (0.1) +6.29 (0.01)
N2D+ 2.6 (0.6) 0.5 (0.1) +6.13 (0.01)
H2C33S ≤0.1 0.8 (0.2) +6.78 (0.09)
c-C3H ≤0.8 0.9 (0.1) +6.89 (0.01)

Notes. The errors are reported in parentheses.

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