value	unc_up	unc_lo	author	ref	method
2.53	0.451	0.451	Masiero	2017AJ....154..168M	NEATM
2.72	0.114	0.114	Mainzer	2011ApJ...743..156M	NEATM
2.73	0.790	0.790	Masiero	2020PSJ.....1....5M	NEATM