2020
DOI: 10.1051/0004-6361/202037663
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Mt. Wendelstein imaging of comet 41P/Tuttle-Giacobini-Kresak during the 2017 perihelion arc

Abstract: Context. In April 2017 comet 41P/Tuttle-Giacobini-Kresak (41P) passed perihelion close to Earth. Aims. We present observations of the comet and aim to use these to characterize its dust environment in the coma and of physical properties of the nucleus. Methods. 41P was imaged in the visible at the Mt. Wendelstein observatory over 45 nights between 2017 March 11 and 2017 July 17. Photometry of the coma provides information on the dust activity of the comet. Nucleus dimensions are determined by comparing radial … Show more

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Cited by 5 publications
(12 citation statements)
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“…A comprehensive analysis of these observations resulted in significantly different color slopes obtained by these different groups over different epochs. This Letter aims to clarify the color-slope conception and provide an explanation for the difference between the results reported in Boehnhardt et al (2020, and Moulane et al (2018).…”
Section: Introductionmentioning
confidence: 92%
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“…A comprehensive analysis of these observations resulted in significantly different color slopes obtained by these different groups over different epochs. This Letter aims to clarify the color-slope conception and provide an explanation for the difference between the results reported in Boehnhardt et al (2020, and Moulane et al (2018).…”
Section: Introductionmentioning
confidence: 92%
“…(1), we find S = (18.03 ± 5.76)% per 0.1 µm. Less than one day earlier, on April 12, Boehnhardt et al (2020) report the brightness of Comet 41P/T-G-K with the SDSS-r (λ 1 = 0.6303 µm) and SDSS-i (λ 2 = 0.7595 µm) filters. Taking the corresponding color index of the Sun (0.11 m ) into account, we obtain the true color index ∆m = (−0.17 ± 0.06) mag for the aperture diameter of 10 000 km, which is the same as in Moulane et al (2018).…”
Section: Introductionmentioning
confidence: 98%
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