value	unc_up	unc_lo	author	ref	method
30.17	2.490	2.490	Grav	2012ApJ...759...49G	NEATM
49.00	1.600	1.600	Fernandez	2003AJ....126.1563F	RADIOMETRY_STM
57.20	2.000	2.000	Fernandez	2003AJ....126.1563F	RADIOMETRY_STM