Table 1.
Logbook of our observations.
| Object | mV | Spectral | Date | MJD | DIT | S/N | Wavelength |
|---|---|---|---|---|---|---|---|
| Type | [s] | [Å] | |||||
| OGLE SMC-SC6 237339 | 14.0 | O6.5?p | 2023-10-03 | 60220.0931 | 12 500 | 970 | 4600 |
| BI 57 | 14.0 | O8?p | 2023-10-03 | 60220.2334 | 9600 | 680 | 4600 |
| AzV 220 | 14.5 | O6.5?p | 2023-10-04 | 60221.0657 | 14 400 | 910 | 4600 |
| UCAC4 115-008604 | 14.7 | O6.5?p | 2023-10-04 | 60221.2405 | 12 900 | 720 | 4220 |
| Cl NGC 346 SSN 7 | 12.6 | ON3 If+O5.5 V((f)) | 2023-10-04 | 60221.3532 | 4200 | 1340 | 4730 |
| ξ1 CMa | 4.3 | B0.7 IV | 2023-10-03 | 60220.3053 | 32 | 3700 | 4530 |
| HD 45166 | 9.9 | WRpec+B7 V | 2023-10-04 | 60221.3993 | 90 | 860 | 4600 |
Notes. Col. 1 gives the object name, followed by the visual magnitude (mV) and the spectral type in Cols. 2 and 3. In Cols. 4 and 5, we list the date of the observation and the corresponding modified Julian date (MJD). Finally, Col. 6 shows the detector integration time (DIT) and Cols. 7 and 8 the peak S/N values per Å at the wavelengths corresponding to the maximum of the flux distribution for each target.
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