High-dispersion infrared spectroscopic observations of comet 8P/Tuttle with VLT/CRIRES

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Table 1:

Overview of the CRIRES observations.
Date	Time^a	Settings	Molecules	Wavelength	r^b	$\Delta$ ^c	$\dot{\Delta}$ ^d	Airmass	Slit PA
	(UT)			coverage [cm^-1]	[AU]	[AU]	[km s^-1]		[deg]
January 28, 2008	1:28-2:47	#2	H₂O, HCN, C₂H₂	3332.4-3263.4	1.027	0.523	24.798	1.36	74
	3:13-4:07	#1	H₂O	3462.5-3377.0	1.027	0.524	24.865	2.03	74
February 4, 2008	0:49-1:54	#1'	H₂O	3406.2-3327.7	1.035	0.621	24.187	1.27	80
	2:20-3:23	#3	CH₄, CH₃OH, C₂H₆	3404.8-2974.2	1.035	0.622	24.252	1.69	80
	3:53-4:11	#4	CH₃OH	2865.3-2799.6	1.035	0.622	24.275	2.52	80

^a r, $\Delta$ , and $\dot{\Delta}$ listed in Cols. 6-8 are the values at the midpoint of this time interval; ^b Heliocentric distance; ^c Geocentric distance; ^d Topocentric velocity of the comet.

Source LaTeX | All tables | In the text

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