value	unc_up	unc_lo	author	ref	method
1.98	0.220	0.220	Nugent	2016AJ....152...63N	NEATM
4.04	1.020	1.020	Masiero	2017AJ....154..168M	NEATM
4.20	1.020	1.020	Masiero	2021PSJ.....2..162M	NEATM
6.49	0.740	0.740	Masiero	2011ApJ...741...68M	NEATM