value	unc_up	unc_lo	author	ref	method
2.90	0.620	0.620	Masiero	2017AJ....154..168M	NEATM
3.07	0.580	0.580	Nugent	2016AJ....152...63N	NEATM
3.44	0.788	0.788	Masiero	2017AJ....154..168M	NEATM
3.53	0.035	0.035	Masiero	2011ApJ...741...68M	NEATM
3.56	0.038	0.038	Masiero	2011ApJ...741...68M	NEATM