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Table 1
VLA and VLBI observations of VHS 1256–1257.
Telescope/configuration | Epoch | Frequency band | UT range | Beam size | PA | rms | Peak |
---|---|---|---|---|---|---|---|
[°] | [μJy] | [μJy] | |||||
VLA/BnA | 15 May 2015 | X | 05:10–06:10 | 0.78′′× 0.45′′ | −51 | 3 | 60 |
VLA/B | 28 Jul 2016 | L | 00:00–01:00 | 5.66′′× 3.38′′ | −12 | 7 | <21 |
EVNa | 4 Mar 2016 | L | 22:30–04:30 | 3.1 × 2.4 mas | −64 | 22 | <66 |
" | 27 May 2016 | " | 15:30–23:30 | 11.9 × 2.2 mas | −78 | 30 | <90 |
" | 2 Nov 2016 | " | 05:00–13:00 | 3.2 × 2.3 mas | −73 | 31 | <93 |
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