Chemistry in disks - V. Sulfur-bearing molecules in the protoplanetary disks surrounding LkCa15, MWC480, DM Tauri, and GO Tauri

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Table 6

Model column densities.

Source	N_SO	N_H₂S	N_CS



MWC 480	6.6 × 10¹²	7.9 × 10¹²	2.0 × 10¹³
LkCa15	1.3 × 10¹³	6.8 × 10¹³	1.1 × 10¹⁴
DM Tau^a	2.2 × 10¹³	6.2 × 10¹³	8.0 × 10¹³


MWC 480	7.1 × 10¹¹	5.5 × 10¹²	1.4 × 10¹²
LkCa15	1.3 × 10¹²	9.1 × 10¹²	1.1 × 10¹³
DM Tau^a	2.4 × 10¹²	7.3 × 10¹²	8.9 × 10¹²

Notes. Column densities (cm^-2) of SO, CS, and H₂S computed by the chemical model in the four protoplanetary disks at 300 AU from the central star for a disk 5 × 10⁶ yr old. Top: Model A. Bottom: Model C.

^(a)

Modeled abundances are the same for DM Tau and GO Tau.

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