value	unc_up	unc_lo	author	ref	method
4.43	1.041	1.041	Masiero	2017AJ....154..168M	NEATM
5.99	1.680	1.680	Masiero	2021PSJ.....2..162M	NEATM
6.71	2.180	2.180	Nugent	2016AJ....152...63N	NEATM
7.13	0.278	0.278	Masiero	2011ApJ...741...68M	NEATM