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Massive Stellar X ray Sources in the Galactic Center

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Figure

Figure 1. K-band spectra of 8 out of the 13 WR/O stars identified as counterparts to Chandra sources in the Galactic center (obtained at the IRTF, UKIRT, and Keck)
Figure 2. Hard X-ray color vs. flux for the WR/O counterparts to Chandra sources in the Galactic center

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