value	unc_up	unc_lo	author	ref	method
17.20	0.156	0.156	Masiero	2011ApJ...741...68M	NEATM
20.18	7.206	7.206	Masiero	2017AJ....154..168M	NEATM
20.78	5.550	5.550	Masiero	2020PSJ.....1....5M	NEATM