value	unc_up	unc_lo	author	ref	method
0.220	0.1200	0.1200	Nugent	2016AJ....152...63N	NEATM
0.244	0.0240	0.0240	Masiero	2012ApJ...759L...8M	NEATM
0.247	0.0271	0.0271	Masiero	2011ApJ...741...68M	NEATM
0.247	0.0990	0.0990	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.280	0.0100	0.0100	Masiero	2014ApJ...791..121M	NEATM