value	unc_up	unc_lo	author	ref	method
5.84	1.510	1.510	Masiero	2021PSJ.....2..162M	NEATM
6.10	2.040	2.040	Masiero	2020PSJ.....1....5M	NEATM
6.90	2.020	2.020	Masiero	2012ApJ...759L...8M	NEATM
6.95	0.097	0.097	Masiero	2011ApJ...741...68M	NEATM