Open Access

Table 7

De-reddened colors, magnitudes, and spectral types of source stars.

Event (VI)0 I0 Spectral type
OGLE-2017-BLG-1691 0.714 ± 0.065 17.397 ± 0.039 G1 turnoff or subgiant
KMT-2021-BLG-0320 0.700 ± 0.040 18.843 ± 0.002 G1V
KMT-2021-BLG-1303 0.849 ± 0.015 19.809 ± 0.003 G9V
KMT-2021-BLG-1554 0.873 ± 0.061 18.649 ± 0.008 K1V

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