value	unc_up	unc_lo	author	ref	method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.057	0.0440	0.0440	Masiero	2012ApJ...759L...8M	NEATM
0.067	0.0380	0.0380	Masiero	2020PSJ.....1....5M	NEATM
0.069	0.0360	0.0360	Masiero	2020PSJ.....1....5M	NEATM