T(K)	cross section	uncertainty (2 sigma)
	at 193 nm

 298	2.0e-21		5.0e-22
 473	2.1e-21		4.0e-22
 573	2.4e-21		2.0e-22
 673	2.8e-21		3.0e-22
 773	4.1e-21		4.0e-22
 873	6.6e-21		9.0e-22
 973	9.5e-21		1.1e-21
1073	1.4e-20		2.0e-21