value	unc_up	unc_lo	author	ref	method
4.98	1.180	1.180	Masiero	2021PSJ.....2..162M	NEATM
5.03	1.430	1.430	Masiero	2020PSJ.....1....5M	NEATM
5.40	1.390	1.390	Nugent	2016AJ....152...63N	NEATM
5.56	2.040	2.040	Masiero	2012ApJ...759L...8M	NEATM