HCO⁺ and Radio Continuum Emission from the Star Forming Region G75.78+0.34

Table 2

Physical parameters obtained for the cometary H II region G75.78+0.34 from the 1.3 cm and 3.6 cm images.

Parameter	1.3 cm	3.6 cm
𝜃𝑅 (arc sec)	0.9	1.2
𝑁𝑒 (cm^−3)	1.7×10^4	1.2×10^4
EM (cm^−6pc)	7.6×10^6	5.1×10^6
𝑀 (M⊙)	2.5×10^−2	3.9×10^−2
𝑇𝑏 (K)	2530	1100
𝜏	0.29	0.12
Diameter (pc)	0.05	0.06