Astronomy & Astrophysics

All Tables

Table 1: Summary of the observed lines.
Table 14: Adopted isotope ratios.
Table 15: Overview of derived abundances for main isotopic and deuterated species.
Table 16: Pearson correlation coefficients for the abundances for all objects.
Table 2: Line intensities ( $\int T_{\rm MB}~{\rm d}v$ ) for CS, C³⁴S and SO transitions from the JCMT and Onsala 20 m telescope.
Table 3: Line intensities ( $\int T_{\rm MB}~{\rm d}v$ ) for the H¹³CO⁺, N₂H⁺, DCO⁺ and DCN transitions from the JCMT and Onsala 20 m telescope.
Table 4: Line intensities ( $\int T_{\rm MB}~{\rm d}v$ ) for the HCN, H¹³CN, HNC and CN transitions from the JCMT and Onsala 20 m telescope.
Table 5: Line intensities ( $\int T_{\rm MB}~{\rm d}v$ ) for CS and C³⁴S transitions from the IRAM 30 m telescope.
Table 6: Line intensities ( $\int T_{\rm MB}~{\rm d}v$ ) for the 3 mm observations of the southern sources from the SEST.
Table 7: Inferred abundances for CS and C³⁴S and reduced $\chi ^2$ where applicable.
Table 8: Inferred abundances for SO and reduced $\chi ^2$ where applicable.
Table 9: Inferred abundances for SO₂ based on observations of the 3_1,3-2_0,2 line from the Onsala 20m and SEST telescopes.
Table 10: Inferred abundances for H¹³CO⁺ and reduced $\chi ^2$ where applicable.
Table 11: Inferred abundances for H¹³CO⁺ including the full set of lines.
Table 12: Inferred abundances for H¹³CN and reduced $\chi ^2$ where applicable.
Table 13: Inferred abundances for CN using the 1-0 hyperfine transitions and reduced $\chi ^2$ where applicable.