value	unc_up	unc_lo	author	ref	method
0.259	0.0306	0.0306	Masiero	2011ApJ...741...68M	NEATM
0.260	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM
0.340	0.0560	0.0560	Tedesco	2002AJ....123.1056T	STM