value	unc_up	unc_lo	author	ref	method
6.63	1.380	1.380	Masiero	2020PSJ.....1....5M	NEATM
6.72	2.040	2.040	Nugent	2016AJ....152...63N	NEATM
6.85	0.440	0.440	Masiero	2011ApJ...741...68M	NEATM
8.38	0.140	0.140	Masiero	2012ApJ...759L...8M	NEATM