value	unc_up	unc_lo	author	ref	method
0.030	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.052	0.0510	0.0510	Masiero	2012ApJ...759L...8M	NEATM
0.077	0.0490	0.0490	Masiero	2020PSJ.....1....5M	NEATM