value	unc_up	unc_lo	author	ref	method
5.98	1.950	1.950	Nugent	2016AJ....152...63N	NEATM
6.46	0.047	0.047	Masiero	2011ApJ...741...68M	NEATM
6.54	1.390	1.390	Masiero	2020PSJ.....1....5M	NEATM
7.08	1.870	1.870	Masiero	2012ApJ...759L...8M	NEATM