We present distances to 56 molecular clouds within 10° ≤ l ≤ 20° and ∣b∣ ≤ 5.°25 from the Milky Way Imaging Scroll Painting (MWISP) 12CO survey, 47 of which are first-time determinations. The molecular clouds were identified using the DBSCAN algorithm, and their distances were measured with the MCCD method using J − Ks colors and the distances provided by 2MASS and Gaia EDR3. The distances range from ∼275 pc to ∼2118 pc. We also derived the physical properties of molecular clouds and found a moderate correlation between the dust extinction and the 12CO integrated intensity.
stars: distances – (ISM:) dust, extinction – ISM: clouds
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