The Ionizing Stars of the Galactic Ultra-Compact H II Region G45.45+0.06
Using the Near-infrared Integral-Field Spectrograph (NIFS) behind the facility adaptive optics module, ALTAIR, on Gemini North, we have identified several massive O-type stars that are responsible for the ionization of the Galactic Ultra-Compact H II region G45.45+0.06. The sources "m" and "n" from the imaging study of Feldt et al. are classified as hot, massive O-type stars based on their K-band spectra. Other bright point sources show red and/or nebular spectra and one appears to have...[Show more]
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