value	unc_up	unc_lo	author	ref	method
5.99	2.370	2.370	Masiero	2021PSJ.....2..162M	NEATM
6.23	0.184	0.184	Masiero	2011ApJ...741...68M	NEATM
7.00	2.130	2.130	Masiero	2012ApJ...759L...8M	NEATM
7.12	2.620	2.620	Nugent	2016AJ....152...63N	NEATM