value	unc_up	unc_lo	author	ref	method
17.09	0.290	0.290	Masiero	2012ApJ...759L...8M	NEATM
17.71	4.780	4.780	Nugent	2016AJ....152...63N	NEATM
20.11	12.240	12.240	Masiero	2012ApJ...759L...8M	NEATM
20.20	6.480	6.480	Masiero	2021PSJ.....2..162M	NEATM
20.23	6.445	6.445	Masiero	2017AJ....154..168M	NEATM