value	unc_up	unc_lo	author	ref	method
5.19	1.370	1.370	Masiero	2021PSJ.....2..162M	NEATM
5.69	0.065	0.065	Masiero	2011ApJ...741...68M	NEATM
6.44	1.920	1.920	Masiero	2012ApJ...759L...8M	NEATM
7.98	2.110	2.110	Nugent	2016AJ....152...63N	NEATM