The JWST-NIRCam view of Sagittarius C - III. The extinction curve

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Volume 704 (December 2025)

A&A, 704 (2025) A130

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Table 2

Slopes, extinction ratios (A_λ/A_F162M), and extinction indices (α_λ-P162M) for SW filters.

		F115W	F182M	F212N
Slope	Bright	1.17 ± 0.03 ± 0.03	1.17 ± 0.03 ± 0.03	1.533 ± 0.019 ± 0.113
Slope	Faint	1.22 ± 0.04 ± 0.04	3.74 ± 0.08 ± 0.10	1.550 ± 0.017 ± 0.145
A_λ/A_F162M	Bright	1.855 ± 0.022 ± 0.022	0.7881 ± 0.0018 ± 0.0067	0.605 ± 0.003 ± 0.017
	Faint	1.82 ± 0.03 ± 0.03	0.789 ± 0.004 ± 0.004	0.608 ± 0.003 ± 0.023
	Average	1.838 ± 0.019 ± 0.019	0.7885 ± 0.0022 ± 0.0040	0.6065 ± 0.0021 ± 0.0143
α_λ-F162M	Bright	2.02 ± 0.04 ± 0.04	1.915 ± 0.018 ± 0.071	1.927 ± 0.019 ± 0.108
	Faint	1.95 ± 0.05 ± 0.05	1.90 ± 0.04 ± 0.04	1.907 ± 0.019 ± 0.145
	Average	1.99 ± 0.03 ± 0.03	1.908 ± 0.022 ± 0.041	1.917 ± 0.013 ± 0.090

Notes. The values are given for the bright and faint RC features, as well as the average for the extinction ratios and indices. All quantities are shown along with their corresponding statistical and systematic uncertainties.

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