value	unc_up	unc_lo	author	ref	method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.046	0.0110	0.0110	Masiero	2012ApJ...759L...8M	NEATM
0.060	0.0430	0.0430	Masiero	2020PSJ.....1....5M	NEATM