value	unc_up	unc_lo	author	ref	method
7.49	2.283	2.283	Masiero	2017AJ....154..168M	NEATM
8.27	2.290	2.290	Masiero	2020PSJ.....1....5M	NEATM
8.28	0.301	0.301	Masiero	2011ApJ...741...68M	NEATM