value	unc_up	unc_lo	author	ref	method
4.94	2.010	2.010	Nugent	2016AJ....152...63N	NEATM
5.52	1.410	1.410	Masiero	2020PSJ.....1....5M	NEATM
6.98	1.880	1.880	Masiero	2012ApJ...759L...8M	NEATM
9.19	1.000	1.000	Tedesco	2002AJ....123.1056T	STM