Source : L1551-IR

Line : HCO+(4-3)U

Date	pwv [mm]	El [°]	Maximum [K]	Area [K*km/s]	Position [km/s]	Linewidth [km/s]	Spectrum
2008-12-20	0.70	37.9	7.70	11.15	6.415	1.36
2009-01-10	0.58	44.2	7.47	11.28	6.408	1.42
2009-08-02	0.79	43.9	7.31	10.33	6.409	1.33
2009-09-13	0.52	32.1	7.95	11.47	6.427	1.35
2009-10-08	0.83	36.3	7.82	11.26	6.389	1.35
2009-11-07	1.47	37.2	7.59	10.56	6.369	1.31
2009-11-21	0.91	37.8	7.44	10.85	6.404	1.37
2009-12-06	0.81	48.2	6.65	10.44	6.410	1.48
2010-02-10	1.62	27.0	7.30	10.30	6.431	1.33
2010-09-30	0.67	31.5	8.34	12.04	6.412	1.36
2010-12-08	1.49	40.2	8.08	12.10	6.416	1.41
2011-11-16	1.25	33.4	5.86	7.96	6.470	1.28
2012-01-15	1.36	48.4	6.30	9.19	6.447	1.37
2012-08-26	1.38	43.9	6.95	9.95	6.427	1.35
2012-11-18	0.76	45.8	6.94	10.63	6.424	1.44
2013-01-03	1.26	40.8	8.02	12.12	6.428	1.42
2013-01-05	1.59	43.9	7.28	10.96	6.412	1.41