Kinetic temperature of massive star-forming molecular clumps measured with formaldehyde V. The massive filament DR21

X. Zhao, X. D. Tang, C. Henkel +18

The kinetic temperature structure of the massive filament DR21 has been mapped using the IRAM 30 m telescope. This mapping employed the para-H${}_2$CO triplet ($J_{{\mathrm{K}}_{\mathrm{a}}{\mathrm{K}}_{\mathrm{c}}}$ = 3$_…