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Table 2

Spectroscopic observations log of the standard stars used for the comparisons in the A-F spectral types (ST) region.

HIP No ST HIP No ST HIP No ST HIP No ST

12640 A0V 4436 A5V 194 F0V 5833 F5V
111169 A1V 111259 A6V 19205 F1V 116505 F6V
111242 A2V 12332 A7V 13904 F2V 6711 F7V
92405 A3V 102253 A8V 90345 F3V 109572 F8V
94620 A4V 96286 A9V 10830 F4V 102611 F9V

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