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Table 1
Details of JVLA observations on DM Tau.
| Epoch | Time | Band | Array coring. | On-source time | Beam size | RMS noise | Peak intensity | Flux density | Flux calib. | Gain calib. | BP calib. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (UTC) | Freq. (GHz) | uv-dis. (m) | (min) | (µjy beam−1) | (mJy beam−1) | (mJy) | Flux (Jy) | Flux (Jy) | |||
| A-1(a) | 2011 07 26 | C | A | 24 | 0″.6×σ″.34 | 8.0 | … | … | 3C138 | J0431+2037 | J0319+4130 |
| 09:55:29–13:54:48 | 4.3–7.8 | 793–36584 | (PA: −54°) | 2.36±0.003 | 20.6±0.06 | ||||||
| A-2(b) | 2019 09 28 | Q | A | 35 | 0″.054×0″.044 | 23 | … | … | 3C138 | J0431+1731 | J0319+4130 |
| 12:30:50–13:40:54 | 40.0–47.8 | 692–34720 | (PA: −3°) | 0.196±0.0007 | 19.9±0.076 | ||||||
| A-3(b) | 2019 10 06 | Q | A | 35 | 0″.046×σ″.041 | 24 | … | … | 3C138 | J0431+1731 | J0319+4130 |
| 11:02:14–12:12:14 | 40.0–47.8 | 1678–36475 | (PA: −10°) | 0.186±0.0005 | 19.0±0.054 | ||||||
| A-4(b) | 2019 10 14 | Q | A | 35 | 0″.052×0″.049 | 23 | … | … | 3C138 | J0431+1731 | J0319+4130 |
| 10:13:50–11:23:50 | 40.0–47.8 | 742–36617 | (PA: 60°) | 0.191±0.0004 | 18.8±0.038 | ||||||
| B-l(a) | 2011 02 25 | C | B | 3.5 | 1″.1×1″.1 | 17 | … | … | 3C147 | J0449+1121 | 3C147 |
| 01:52:16–03:51:46 | 4.1–7.9 | 121–11124 | (PA: 20°) | 1.23±0.001 | – | ||||||
| B-2(a) | 2011 04 17–18 | C | B | 3.5 | 1″.1×1″.0 | 25 | … | … | 3C147 | J0449+1121 | 3C147 |
| 22:27:40–00:27:22 | 4.1–7.9 | 121–11124 | (PA: 7°) | 1.02±0.002 | – | ||||||
| B-3(a) | 2011 05 14–15 | C | BnA | 3.5 | 1″.5×0″.48 | 21 | … | … | 3C147 | J0449+1121 | 3C147 |
| 23:11:10–01:10:48 | 4.1–7.9 | 121–22816 | (PA: 62°) | 0.95±0.002 | — | ||||||
| B-4 | 2012 08 12 | Q | B | 83 | 0″.28×0″.17 | 26 | 0.19 | 0.56 | J0542+4951 | J0431 + 1731 | J0319+4130 |
| 08:45:42–11:44:48 | 41.0–43.0 | 109–11124 | (PA: −59°) | 0.224±0.0004 | 22.2±0.02 | ||||||
| B-5 | 2012 08 29 | Q | B | 81 | 0″.28×0″.16 | 24 | 0.18 | 0.57 | J0542+4951 | J0431 + 1731 | J0319+4130 |
| 08:08:54–11:07:54 | 41.0–43.0 | 109–11124 | (PA: −51°) | 0.228±0.0002 | 21.5±0.02 | ||||||
| B-6 | 2012 09 04 | Q | B | 83 | 0″.22×0″.17 | 26 | 0.17 | 0.59 | J0542+4951 | J0431 + 1731 | J0319+4130 |
| 08:46:47–11:44:12 | 41.0–43.0 | 121–11124 | (PA: −30°) | 0.223±0.0002 | 23.3±0.06 | ||||||
| B-7 | 2012 09 15 | Q | BnA | 83 | 0″.2o×0″.12 | 25 | 0.14 | 0.70 | J0542+4951 | J0431 + 1731 | J0319+4130 |
| 07:31:51–10:30:57 | 41.0–43.0 | 256–22816 | (PA: −65°) | 0.249±0.0005 | 23.9±0.05 | ||||||
| B-8(a) | 2013 10 29 | X | B | 19 | 0″.97×0″.82 | 5.9 | … | … | J0137+3309 | J0409+ 1217 | J0137+3309 |
| 05:39:43–07:09:22 | 8.0–10.0 | 121–11124 | (PA: −62°) | 0.343±0.0002 | … | ||||||
| C-1 | 2010 12 13 | Q | C | 126 | 0″.80×0″.60 | 19 | 0.40 | 0.59 | J0542+4951 | J0431 + 1731 | J0319+4130 |
| 01:14:16–05:13:21 | 41.0–43.0 | 43–3387 | (PA: −53°) | 0.361±0.0005 | 15.8±0.04 | ||||||
| D-l(a) | Aug. 24, 2010 | K | D | 9.5 | 4″.5×3″.4 | 53 | … | … | J0542+4951 | J0431+2037 | J0319+4130 |
| 08:30:25–12:59:41 | 20.0–22.0 | 23–1031 | (PA: −61°) | 0.754±0.0005 | 21.1±0.02 | ||||||
| D-2 | 2010 08 30 | Q | D | 9.0 | 1″.9×1″.7 | 134 | 0.81 | 0.86 | J0542+4951 | J0431+2037 | J0319+4130 |
| 10:06:36–14:05:51 | 41.0–43.0 | 40–1031 | (PA: 83°) | 0.434±0.0008 | 17.4±0.02 | ||||||
| D-3 | 2010 09 11 | K | D | 17 | 4″.2×3″.5 | 11 | 0.14 | 0.13 | J0542+4951 | J0431+2037 | J0319+4130 |
| 08:20:06–12:18:50 | 20.0–22.0 | 22–1031 | (PA: −51°) | 0.743±0.0003 | 21.2±0.01 | ||||||
| D-4 | 2010 09 12 | Ka | D | 13 | 2″.9×2″.1 | 34 | 0.44 | 0.53 | J0542+4951 | J0431+2037 | J0319+4130 |
| 09:15:23–11:42:34 | 31.7–33.7 | 23–1031 | (PA: −3°) | 0.631±0.0020 | 23.0±0.04 | ||||||
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