Source : L1551-IR

Line : H2CO(3-2)L

Date	pwv [mm]	El [°]	Maximum [K]	Area [K*km/s]	Position [km/s]	Linewidth [km/s]	Spectrum
2008-08-21	0.00	38.6	2.20	1.86	6.494	0.80
2008-10-16	3.86	43.8	1.99	2.06	6.560	0.97
2008-12-09	3.93	28.2	2.16	1.55	6.622	0.67
2008-12-10	4.75	32.7	2.42	1.95	6.588	0.76
2009-01-25	1.54	44.1	2.35	1.93	6.555	0.77
2009-11-06	0.93	40.5	2.04	2.03	6.593	0.93
2009-11-20	2.42	48.0	2.04	1.94	6.589	0.89
2010-03-31	2.29	44.7	2.05	1.77	6.545	0.81
2010-12-14	0.09	46.7	2.16	2.01	6.575	0.88
2011-11-17	0.99	32.9	2.10	1.96	6.480	0.88
2011-12-01	0.06	47.6	2.20	1.70	6.455	0.73
2012-01-12	1.79	30.9	2.08	1.62	6.471	0.73
2012-01-13	1.17	41.5	1.95	1.59	6.438	0.77
2012-04-18	3.01	46.4	1.79	1.62	6.424	0.85
2012-11-20	0.37	48.3	2.13	1.77	6.438	0.78
2013-01-29	2.57	46.4	2.13	1.86	6.431	0.82
2013-03-14	1.32	32.9	2.09	1.77	6.458	0.79
2013-11-14	1.96	38.7	2.12	1.78	6.447	0.79
2013-11-28	0.30	47.7	1.99	1.65	6.456	0.78
2014-03-17	1.63	33.6	2.80	2.25	6.434	0.75
2014-12-30	2.13	39.0	1.95	1.69	6.417	0.81
2014-12-31	1.76	41.5	1.91	1.75	6.451	0.86
2015-01-11	4.48	39.6	1.95	1.68	6.440	0.81
2015-12-01	2.65	36.8	1.95	1.66	6.444	0.80
2016-02-10	2.38	33.8	1.80	1.49	6.425	0.78
2017-02-10	2.18	35.6	1.36	1.15	6.453	0.80