High-resolution spectra of comet C/2013 R1 (Lovejoy)

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Table 4

Intensities (ADU), measured I₆₃₀₀/I₆₃₆₄ and G/R ratios, measured observed FWHM, (Å), and intrinsic velocity widths (km s^-1) for the three forbidden oxygen lines.

UT date	Intensity (ADU)				G/R	FWHM_observed (Å)			FWHM_intrinsic (km s^-1)
	5577 Å	6300 Å	6364 Å			5577 Å	6300 Å	6364 Å	5577 Å	6300 Å	6364 Å

2013/12/23;	65	503	166	3.04	0.097	0.091	0.074	0.073	2.914	2.090	2.037
06:37
2013/12/23;	70	489	160	3.06	0.109	0.089	0.073	0.073	2.849	2.076	2.046
06:57
2013/12/23;	65	420	135	3.11	0.12	0.089	0.072	0.073	2.836	2.047	2.034
07:15
2013/12/24;	40	314	103	3.05	0.097	0.088	0.072	0.073	2.824	2.036	2.032
06:34
2013/12/24;	61	429	145	2.951	0.106	0.092	0.072	0.074	2.945	2.024	2.072
06:52
2013/12/24;	69	458	153	2.99	0.113	0.092	0.072	0.073	2.928	2.044	2.043
07:12
2013/12/25;	37	299	103	2.90	0.091	0.091	0.073	0.075	2.895	2.053	2.094
06:41
2013/12/25;	59	467	153	3.04	0.094	0.093	0.074	0.073	2.974	2.088	2.034
06:59
2013/12/25;	55	411	137	2.99	0.100	0.091	0.074	0.073	2.892	2.090	2.049
07:17
2013/12/26;	34	286	97	2.94	0.089	0.093	0.072	0.074	2.973	2.036	2.063
06:33
2013/12/26;	49	409	137	2.99	0.089	0.093	0.074	0.075	2.986	2.079	2.103
06:51
2013/12/26;	52	438	−	−	−	0.092	0.073	−	2.943	2.070	−
07:12

Average				3.01 ± 0.06	0.10 ± 0.01				2.913 ± 0.055	2.061 ± 0.024	2.055 ± 0.025

Notes. For the last spectrum, the 6363.776 Å line was not used because it is contaminated by a strong cosmic-ray event.

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