value	unc_up	unc_lo	author	ref	method
17.42	0.120	0.120	Masiero	2011ApJ...741...68M	NEATM
17.69	5.390	5.390	Masiero	2021PSJ.....2..162M	NEATM
17.82	4.410	4.410	Nugent	2016AJ....152...63N	NEATM
21.26	2.100	2.100	Tedesco	2002AJ....123.1056T	STM