value	unc_up	unc_lo	author	ref	method
17.12	0.216	0.216	Masiero	2011ApJ...741...68M	NEATM
19.73	5.990	5.990	Masiero	2020PSJ.....1....5M	NEATM
21.02	6.710	6.710	Nugent	2016AJ....152...63N	NEATM
21.06	8.590	8.590	Masiero	2021PSJ.....2..162M	NEATM