Mt. Wendelstein imaging of comet 41P/Tuttle-Giacobini-Kresak during the 2017 perihelion arc

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Table 1

Filters used at the Mt. Wendelstein 2 m Fraunhofer telescope instruments WWFI (Kosyra et al. 2014) and 3 KK (Lang-Bardl et al. 2010) in comparison to the original SDSS filters (Doi et al. 2010) and the realization at the PS1 (Tonry et al. 2012).

	λ_eff [nm]	λ_blue [nm]	λ_red [nm]
g band

WWFI	483.4	418	550
PS1	483.2	414	552
SDSS	462.7	402	533

r band

WWFI	620.6	557	695
3KK	630.3	562	697
PS1	618.8	548	694
SDSS	613.9	559	675

i band

WWFI	761.2	698	836
3KK	759.5	682	841
PS1	752.5	688	824
SDSS	746.7	690	817

Notes. The all-sky catalog produced by the latter is used for calibration of the observed images of 41P. The table lists for each filter the effective wavelength λ_eff and the short- (λ_blue) and long-wavelength λ_red) for 50% transmission of the filter band passes.

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