value	unc_up	unc_lo	author	ref	method
0.030	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.038	0.0055	0.0055	Masiero	2011ApJ...741...68M	NEATM
0.040	0.0321	0.0321	Masiero	2017AJ....154..168M	NEATM
0.063	0.0260	0.0440	Masiero	2021PSJ.....2..162M	NEATM