value	unc_up	unc_lo	author	ref	method
6.66	2.000	2.000	Masiero	2021PSJ.....2..162M	NEATM
6.90	2.280	2.280	Nugent	2016AJ....152...63N	NEATM
7.86	2.490	2.490	Nugent	2016AJ....152...63N	NEATM
8.59	0.045	0.045	Masiero	2011ApJ...741...68M	NEATM