value	unc_up	unc_lo	author	ref	method
5.83	1.705	1.705	Masiero	2017AJ....154..168M	NEATM
6.80	1.950	1.950	Masiero	2020PSJ.....1....5M	NEATM
7.52	0.235	0.235	Masiero	2011ApJ...741...68M	NEATM