value	unc_up	unc_lo	author	ref	method
0.040	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.046	0.0410	0.0410	Masiero	2020PSJ.....1....5M	NEATM
0.053	0.0560	0.0560	Masiero	2012ApJ...759L...8M	NEATM