Image Details
Caption: Figure 5.
The cutout images of the highlighted boxes in Figure 3. (a) A dust filament around W51-E. (b) W51-IRS2 protocluster. (c) Cometary objects around W51-IRS2. (d) W51-E protocluster. (e) A bar at the edge of IRS1 H II region. (f) W51 IRS1 H II region shell structure. (g) W51b1 H II region. (h) W51b2 H II region and YSOs. (i) W51e7 H II region. (j) W51c1 H II region. (k) and (l) Newly discovered H II regions.
© 2026. The Author(s). Published by the American Astronomical Society.