value	unc_up	unc_lo	author	ref	method
0.186	0.0450	0.0450	Tedesco	2002AJ....123.1056T	STM
0.250	0.0300	0.0300	Masiero	2014ApJ...791..121M	NEATM
0.254	0.0209	0.0209	Masiero	2011ApJ...741...68M	NEATM