value	unc_up	unc_lo	author	ref	method
0.203	0.0400	0.0400	Tedesco	2002AJ....123.1056T	STM
0.243	0.0250	0.0250	Masiero	2011ApJ...741...68M	NEATM
0.260	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM