value	unc_up	unc_lo	author	ref	method
17.83	5.010	5.010	Masiero	2021PSJ.....2..162M	NEATM
18.40	4.590	4.590	Masiero	2021PSJ.....2..162M	NEATM
19.50	5.740	5.740	Nugent	2016AJ....152...63N	NEATM
21.50	7.250	7.250	Masiero	2012ApJ...759L...8M	NEATM