Table 4
Observed appearance/disappearance of wave packets.
| Orbit | Date | Time | Lat | LT |  |
δU | ΔU |
|---|---|---|---|---|---|---|---|
| (dd/mm/yyyy) | (UT-h) | (deg) | (h) | (m s−1) | |||
| 607 | 18/12/2007 | 17.48–22.48 | −44 | 2.7 | −1.575 | 11.041 | 14.241 |
| r0025 | 04/09/2016 | 15.06–17.06 | 1 | 1.6 | 3.901 | 1.553 | 3.884 |
| r0026 | 05/09/2016 | 03.56–05.56 | −24 | 0.8 | −1.741 | 3.439 | 14.844 |
| r0026 | 05/09/2016 | 04.56–09.56 | −32 | 23.3 | −4.667 | 3.846 | 18.38 |
| r0026 | 05/09/2016 | 04.56–10.56 | −40 | 23.1 | 2.131 | 3.509 | 15.519 |
Notes. The orbit column follows the respective nomenclature norms for each spacecraft (the first entry corresponds to VEx/VIRTIS and the four remaining belong to Akatsuki/IR2); Time refers to the temporal window of observation of the wave packet; Lat, LT refer to the mean latitude and local time of the packet during propagation;
is the intrinsic phase velocity; δU is the wind measurement error and ΔU is the wind speed drop between the wave packet appearance and disappearance.
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