value	unc_up	unc_lo	author	ref	method
6.15	1.120	1.120	Masiero	2021PSJ.....2..162M	NEATM
7.23	0.030	0.030	Masiero	2014ApJ...791..121M	NEATM
7.27	0.270	0.270	Masiero	2012ApJ...759L...8M	NEATM
7.98	0.030	0.030	Masiero	2011ApJ...741...68M	NEATM