Free Access
Table A.2
Technical overview of the GRAVITY observations on UTs of the four observed MYSOs at the beginning of their observing run. The DIT is the individual exposure time, and τcoh is the coherence time in the visible spectrum. The visibilities of the continuum are also reported.
| Source/ | Date | Station | Baseline | PA | DIT | τcoh | Seeing | Vcont |
|---|---|---|---|---|---|---|---|---|
| Config. | (m) | (°) | (s) | (ms) | (arcsec) | |||
| G034.8211/ | ||||||||
| U1-U2-U3-U4 | 2019-04-23 | U4U3 | 62.2 | 161.1 | 5 | 3 | 1.1 | 0.456±0.002 |
| U4U2 | 88.6 | 7.5 | 0.175±0.002 | |||||
| U4U1 | 124.9 | 27.1 | 0.062±0.007 | |||||
| U3U2 | 43.0 | 47.7 | 0.776±0.003 | |||||
| U3U1 | 93.2 | 55.9 | 0.374±0.002 | |||||
| U2U1 | 51.0 | 62.8 | 0.721±0.003 | |||||
| G282.2988/ | ||||||||
| U1-U2-U3-U4 | 2018-12-20 | U4U3 | 59.9 | 170.4 | 10 | 12 | 0.45 | 0.8448±0.0003 |
| U4U2 | 89.4 | 15.8 | 0.7900±0.0004 | |||||
| U4U1 | 128.0 | 33.5 | 0.7040±0.0005 | |||||
| U3U2 | 43.6 | 51.9 | 0.8898±0.0004 | |||||
| U3U1 | 93.6 | 59.4 | 0.7833±0.0005 | |||||
| U2U1 | 50.7 | 65.9 | 0.8708±0.0005 | |||||
| G287.3716/ | ||||||||
| U1-U2-U3-U4 | 2019-04-23 | U4U3 | 59.7 | 171.9 | 30 | 5 | 0.49 | 0.850±0.005 |
| U4U2 | 89.4 | 16.9 | 0.728±0.005 | |||||
| U4U1 | 127.8 | 34.3 | 0.598±0.004 | |||||
| U3U2 | 43.4 | 52.4 | 0.914±0.009 | |||||
| U3U1 | 92.9 | 59.9 | 0.717±0.006 | |||||
| U2U1 | 50.2 | 66.4 | 0.904±0.005 | |||||
| G301.8147/ | ||||||||
| U1-U2-U3-U4 | 2019-01-22 | U4U3 | 59.3 | 174.1 | 10 | 19 | 0.54 | 0.363±0.002 |
| U4U2 | 89.4 | 18.0 | 0.307±0.002 | |||||
| U4U1 | 127.1 | 34.6 | 0.230±0.002 | |||||
| U3U2 | 42.6 | 52.4 | 0.436±0.010 | |||||
| U3U1 | 90.7 | 59.8 | 0.273±0.004 | |||||
| U2U1 | 48.7 | 66.3 | 0.414±0.003 | |||||
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.