value	unc_up	unc_lo	author	ref	method
6.25	1.620	1.620	Masiero	2021PSJ.....2..162M	NEATM
6.59	1.841	1.841	Masiero	2017AJ....154..168M	NEATM
6.62	2.360	2.360	Nugent	2016AJ....152...63N	NEATM
7.63	3.900	3.900	Masiero	2012ApJ...759L...8M	NEATM