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Paper: Surveying Massive Star Formation in the Inner Galaxy
Volume: 507, Multi-Object Spectroscopy in the Next Decade: Big Questions, Large Surveys, and Wide Fields
Page: 165
Authors: Dorda, R.; Negueruela, I.; González-Fernández, C.; Marco, A.
Abstract: The base of the Scutum arm is a Galactic region with a high density of red supergiant (RSG) stars, grouped in a few clusters which have similar ages, positions and radial velocities. We have performed an extensive survey using the multi-object spectrograph AAOmega, looking for new RSGs along the galactic plane from l∼24° to 30°. We have observed >1600 candidates, and identified them through an extensive study of the statistical behavior of RSG spectra, finding ∼200 new RSGs.
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