value	unc_up	unc_lo	author	ref	method
0.130	0.0220	0.0220	Tedesco	2002AJ....123.1056T	STM
0.244	0.0160	0.0160	Masiero	2012ApJ...759L...8M	NEATM
0.251	0.0210	0.0210	Masiero	2011ApJ...741...68M	NEATM