Distribution of inferred H2 column densities and MIVC± candidates for the northern Galactic hemisphere at b> 20°. The map is plotted in zenith-equal area projection centred on the northern Galactic pole with Galactic coordinates. The iso-latitude rings are placed at 20° with an increment of 20°. Blue and red indicate positive and negative NH2. The grey and black contours denote the total integrated (negative and positive) IVC H i gas at and 1.5 × 1020 cm-2, respectively, tracing the location of IVC complexes. The red contours show the location of the inferred MIVC− candidates, the dark violet contours that of the MIVC+ candidates (Tables A.1 and A.2). The green circles mark the location of confirmed MIVCs as listed in Magnani & Smith (2010). The green diamonds indicate known high-latitude molecular clouds from FIR excess emission, the green squares show the positions of unidentified FIR excess sources as listed in Reach et al. (1998, their Tables 3 and 4).
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