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Table 1

The different surveys.

Survey Waveband Reference

NRAO VLA Sky 21 cm Condon et al. (1998)
BGPS 1.1 mm Ginsburg et al. (2013)
ATLASGAL 870 μm Schuller et al. (2009)
GLIMPSE 3.6, 4.5, 5.8, 8.0 μm Benjamin et al. (2003)
MIPSGAL 24 μm Carey et al. (2009)

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