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Table 2.
ATCA radio observation of 4U 1556–60.
| ObsID | Date (YYYY MM DD) | Obs. time | Freq. (GHz) | Upper limit (3σ, μJy) |
|---|---|---|---|---|
| 5.5 | 13.8 | |||
| C3652 | 2024 11 09 – 2024 11 10 | 12 h | 9.0 | 17.3 |
| 7.25 (combined) | 10.4 |
Notes. Single multifrequency ATCA radio observation and nondetection results of 4U 1556–60.
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