value	unc_up	unc_lo	author	ref	method
3.81	1.130	1.130	Masiero	2021PSJ.....2..162M	NEATM
4.43	1.210	1.210	Masiero	2021PSJ.....2..162M	NEATM
4.53	1.310	1.310	Nugent	2016AJ....152...63N	NEATM
4.76	0.177	0.177	Masiero	2011ApJ...741...68M	NEATM