value	unc_up	unc_lo	author	ref	method
7.9000e+18	1.4000e+18	1.4000e+18	Marchis	2014ApJ...783L..37M	BinImg
9.9500e+18	1.2000e+17	1.2000e+17	Carry	2012P&SS...73...98C	BinImg