value	unc_up	unc_lo	author	ref	method
3.69	0.740	0.740	Nugent	2016AJ....152...63N	NEATM
3.75	0.154	0.154	Masiero	2011ApJ...741...68M	NEATM
6.08	0.600	0.600	Tedesco	2002AJ....123.1056T	STM