Source : OMC1

Line : HCO+(4-3)U

Date	pwv [mm]	El [°]	Maximum [K]	Area [K*km/s]	Position [km/s]	Linewidth [km/s]	Spectrum
2009-01-11	0.85	56.3	34.36	1083.72	2.630	31.54
2009-10-08	0.97	54.5	33.90	959.22	2.612	28.29
2009-11-07	1.37	53.3	33.28	919.04	2.722	27.62
2009-12-06	0.50	35.7	34.87	1029.67	2.758	29.53
2010-02-10	1.67	38.5	31.29	952.25	1.688	30.43
2010-09-29	0.64	58.7	38.53	986.82	2.890	25.61
2010-12-08	1.20	36.7	36.49	1102.09	2.553	30.20
2011-05-18	0.99	58.5	33.88	872.47	2.700	25.75
2011-08-04	0.36	47.0	32.63	974.29	2.717	29.86
2012-01-15	0.67	42.9	28.14	846.62	2.845	30.09
2012-08-26	1.47	65.4	27.17	848.60	3.156	31.23
2012-09-21	0.23	54.5	30.05	871.44	2.583	29.00
2012-11-18	0.68	63.0	31.91	950.93	2.293	29.80
2013-01-03	0.79	50.6	36.56	1121.80	2.669	30.68
2013-01-05	1.28	72.0	34.55	1016.84	2.185	29.43
2013-11-14	1.63	58.7	34.88	1080.30	2.084	30.97
2013-11-29	0.70	45.0	35.93	1041.38	2.438	28.98
2014-03-16	1.18	43.5	37.41	1167.78	3.515	31.21
2014-04-08	1.14	69.3	37.27	1188.81	3.167	31.90
2014-04-21	0.90	64.8	37.40	1067.35	3.209	28.54
2014-08-22	0.99	64.6	28.33	909.02	2.729	32.09
2015-01-02	0.83	64.5	27.22	866.59	3.499	31.84
2015-11-30	1.32	57.0	23.47	755.21	4.434	32.18
2016-02-10	2.33	36.6	23.99	723.31	3.326	30.15
2016-09-25	0.97	42.2	21.34	601.43	3.141	28.18
2017-02-10	1.37	39.8	27.24	837.12	2.149	30.73