Image Details
Caption: Figure 1.
Sources from this survey overplotted on the Orion A Herschel-Planck dust opacity map at 353 GHz (Lombardi et al. 2014). The blue-filled circles, red triangles, and green squares mark the position of Class 0, Class I, and flat-spectrum sources, respectively.
© 2023. The Author(s). Published by the American Astronomical Society.