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Table 1
Overview of the observational set-ups for the comets in the data set of this work.
| Parameter | C/2001 Q4 | C/2002 T7 | 9P/Tempel 1 |
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| Date | Apr. 29/30 2004 | Jun. 12/13 2004 | Jul. 3/4 2005 |
| Slit length | 5.0′ | 5.0′ | 6.8′ |
| Slit width | 2.0′′ | 2.0′′ | 1.0′′ |
| w.r. [nm] | 370–610 | 370–610 | 370 -620 |
| Δx [″/pixel] | 0.158 | 0.316 | 0.252 |
| Δλ [Å/pixel] | 1.5 | 3.0 | 1.5 |
| rh [AU] | 1.00 | 1.20 | 1.51 |
| ṙh [kms-1] | –8.4 | 26.9 | –0.14 |
| Δ [AU] | 0.39 | 1.03 | 0.89 |
| β | 79.7° | 53.6° | 40.9° |
Notes. w.r. gives the range of wavelengths covered by the observations, Δx and Δλ the spatial and wavelength increment, and β the phase angle.
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