value	unc_up	unc_lo	author	ref	method
4.90	1.510	1.510	Masiero	2021PSJ.....2..162M	NEATM
5.36	1.130	1.130	Nugent	2016AJ....152...63N	NEATM
6.02	2.480	2.480	Masiero	2012ApJ...759L...8M	NEATM
8.49	0.074	0.074	Masiero	2011ApJ...741...68M	NEATM