value	unc_up	unc_lo	author	ref	method
18.10	3.650	3.650	Masiero	2021PSJ.....2..162M	NEATM
18.14	4.850	4.850	Masiero	2021PSJ.....2..162M	NEATM
20.00	6.070	6.070	Nugent	2016AJ....152...63N	NEATM
20.91	0.107	0.107	Masiero	2011ApJ...741...68M	NEATM
21.07	0.284	0.284	Masiero	2011ApJ...741...68M	NEATM