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Table 3

X-ray luminosities measured at times close to the HST observations (see text for details).

Identifier log LX [erg s−1]
HD 153919 4U 1700-37 36.03
BD+60 73 IGR J00370+6122 31.90
LM Vel IGR J08408-4503 32.50
HD 306414 IGR J11215-5952
BD+53 2790 4U 2206+54 34.24
HD 100199 IGR J11305-6256

Notes. The “–” indicates that the source was below the detection limit of Swift during the observations.

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