A Near-infrared Study of the Highly-obscured Active Star-forming Region W51b


We present wide-field JHKs-band photometric observations of the three compact H II regions G48.9– 0.3, G49.0–0.3, and G49.2–0.3 in the active star-forming region W51B. The star clusters inside the three compact H II regions show the excess number of stars in the J−Ks histograms compared with reference fields. While the mean color excess ratio (EJ−H/EH−Ks… (More)


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