value	unc_up	unc_lo	author	ref	method
5.21	1.240	1.240	Masiero	2020PSJ.....1....5M	NEATM
5.89	1.550	1.550	Nugent	2016AJ....152...63N	NEATM
6.83	0.064	0.064	Masiero	2011ApJ...741...68M	NEATM