value	unc_up	unc_lo	author	ref	method
0.030	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.031	0.0160	0.0160	Masiero	2012ApJ...759L...8M	NEATM
0.039	0.0270	0.0270	Masiero	2020PSJ.....1....5M	NEATM
0.040	0.0680	0.0680	Masiero	2020PSJ.....1....5M	NEATM