value	unc_up	unc_lo	author	ref	method
6.49	1.980	1.980	Masiero	2020PSJ.....1....5M	NEATM
6.88	1.190	1.190	Masiero	2012ApJ...759L...8M	NEATM
7.44	0.474	0.474	Masiero	2011ApJ...741...68M	NEATM