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We present high-speed CCD photometry of Comet 9P/Tempel 1 during the Deep Impact event on 2005 July 4 UT. Approximately 2h and 50min of R-band data were acquired at Mount Laguna Observatory with a temporal resolution of 5.5s. The flux increased by 9% in the first minute after impact. This was followed by a more gradual two-part linear rise, with a change in slope at 9.2min post-impact, at which time...
We present results from the United Kingdom Infrared Telescope observations of the impact of Deep Impact with Comet 9P/Tempel 1, on July 4, 2005 UT. These observations were carried out in conjunction with the worldwide observing campaign co-ordinated by K.J. Meech [Meech, K.J., and 208 colleagues, 2005. Science 310, 265–269]. The UKIRT team was the first to observe and announce the successful impact...
We present results from the United Kingdom Infrared Telescope observations of the impact of Deep Impact with Comet 9P/Tempel 1, on July 4, 2005 UT. These observations were carried out in conjunction with the worldwide observing campaign co-ordinated by K.J. Meech [Meech, K.J., and 208 colleagues, 2005. Science 310, 265–269]. The UKIRT team was the first to observe and announce the successful impact...
Multiple non-resonance fluorescence lines of water (H 2 O) were detected in Comet 153/P Ikeya–Zhang (2002 C1) between UT 2002 March 21.9 (R h =0.51 AU) and April 13.9 (R h =0.78 AU), using the Cryogenic Echelle Spectrometer (CSHELL) at the NASA Infrared Telescope Facility. Analysis of 2.9-μm water lines enabled accurate determination of rotational temperatures on three dates...
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