An advanced scattered moonlight model for Cerro Paranal

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Table 1

Properties of the different observing modes in the FORS1 sky background data set.

Grism	Filter	Wav. range	Resolution	Dispersion	Total #	# with Moon	# Used
		(Å)	(ÅFWHM)	(Åpx^-1)

300V	GG435	4300–8900^a	12	2.6	676	188	70
300V	...	3615–8900^b	12	2.6	163	36	24
600B	OG590	3650–6050	5.3	1.2	143	29	18
600R	GG435	5390–7530	4.5	1.0	207	60	29

Notes. Listed here is the total number of sky spectra, the number of sky spectra with moonlight, and the number of sky spectra with moonlight that was used in the analysis (Sect. 2.1).

^(a)

Order separation filter, fluxes <4400 Åwere not used;

^(b)

second-order overlapping, fluxes >6200 Åwere not used.

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