value	unc_up	unc_lo	author	ref	method
4.91	0.123	0.123	Masiero	2011ApJ...741...68M	NEATM
5.43	1.830	1.830	Nugent	2016AJ....152...63N	NEATM
6.30	1.060	1.060	Masiero	2012ApJ...759L...8M	NEATM