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Table 2.
Log of VLBA observations.
| Date | Time | Total | 1.6 GHz data |
5 GHz data |
8.4 GHz data |
|||
|---|---|---|---|---|---|---|---|---|
| in 2010 | since nova | duration | HPBW | 1σ rms | HPBW | 1σ rms | HPBW | 1σ rms |
| (days) | (hrs) | (mas × mas, °) | (μJy beam−1) | (mas × mas, °) | (μJy beam−1) | (mas × mas, °) | (μJy beam−1) | |
| March 28(a) | 18 | 3 | ... | 5.1 × 4.3, −60 | 90 | ... | ||
| April 2 | 23 | 4 | 14.1 × 5.4, −13 | 260 | 5.4 × 4.1, −43 | 110 | 5.0 × 4.0, −48 | 75 |
| April 6(b) | 27 | 4 | 14.8 × 10.6, −18 | 160 | 4.7 × 3.7, −32 | 120 | ... | |
| April 10 | 31 | 4 | 13.5 × 9.1, −69 | 85 | 5.0 × 4.3, −55 | 95 | ... | |
| April 15(c) | 36 | 4 | 14.0 × 10.8, −11 | 100 | 4.9 × 4.1, −34 | 85 | ... | |
| April 21(d) | 42 | 4 | 15.1 × 12.8, −46 | 130 | 5.3 × 4.0, −46 | 120 | ... | |
| April 29(e) | 50 | 4 | 14.6 × 13.3, 13 | 130 | 5.2 × 4.2, −19 | 100 | ... | |
| May 4(f) | 55 | 4 | 15.2 × 13.7, 41 | 95 | 5.0 × 4.1, −38 | 90 | ... | |
| May 14(g) | 65 | 4 | 13.4 × 9.0, 19 | 140 | 5.0 × 3.7, 10 | 110 | ... | |
| May 21(h) | 72 | 4 | 13.7 × 10.2, −10 | 85 | 5.0 × 4.0, −22 | 90 | ... | |
All dishes have the same 25 m diameter.
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