value	unc_up	unc_lo	author	ref	method
0.271	0.2050	0.2050	Masiero	2020PSJ.....1....5M	NEATM
0.273	0.0550	0.0550	Mainzer	2011ApJ...743..156M	NEATM
0.313	0.1024	0.1024	Masiero	2017AJ....154..168M	NEATM