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Table 1.
Lines detected in the ALMA observations of GX Mon.
Transition | Rest frequency | rms/ch (1) | Beam | Line width (2) | Peak | Comments, |
---|---|---|---|---|---|---|
(GHz) | (mJy | (arcsec) | (km s−1) | (mJy | morphology | |
beam−1) | beam−1) | |||||
CO J = (2−1) | 230.538 | 0.93 | 0.19 × 0.13 | –34.2, +11.3 | 132 | Complex arc-shell structure |
SiO v = 0 J = (5−4) | 217.105 | 0.86 | 0.20 × 0.13 | −38.7, +14.6 | 1184 | Extended |
SiO v = 1 J = (5−4) | 215.596 | 0.91 | 0.20 × 0.13 | –21.8, +4.2 | 5703 | Compact |
SiS v = 0 J = (12−11) | 217.818 | 0.90 | 0.20 × 0.13 | −32.2, +10.7 | 136 | Extended |
SiS v = 1 J = (12−11) | 216.758 | 0.85 | 0.20 × 0.13 | –16.6, +0.3 | 40 | Compact |
SO2 (22(2–20)–22(1–21) | 216.643 | 0.87 | 0.20 × 0.13 | –25.7, +0.3 | 34 | Weak extended? |
13CS v = 0 J = (5−4) | 231.221 | 1.0 | 0.19 × 0.13 | −28.3, +8.1 | 6.5 | Very weak |
29SiS v = 0 J = (13−12) | 231.627 | 0.80 | 0.19 × 0.13 | –28.3, +6.8 | 23 | Extended? |
SO 3Σv = 0 J = (5−4) | 215.221 | 0.93 | 0.20 × 0.13 | –28.3, +9.4 | 68 | Arc-shell structure |
34SO v = 0 (6−5) | 215.839 | 0.80 | 0.20 × 0.13 | –27.0, +5.5 | 9 | Extended? |
Unknown (3) | 232.6877 | 0.85 | 0.17 × 0.11 | 15.6 | 148 | Compact |
Notes.
(3)
There is no clear identification for this line. There is a nearby molecular line of CH3CHO v = 0 (5–4) at 232.692 GHz. However, to centre the line in Fig. 5, a frequency of 232.6877 GHz had to be used.
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