The VMC survey - VII. Reddening map of the 30 Doradus field and the structure of the cold interstellar medium

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Table B.1

Extinction ratio A_λ/A_V for VISTA passbands.

Passband	λ_central (μm)	λ_eff (μm)	a(x)	b(x)	A_λ/A_V

VISTA J	1.252^a	1.254	0.3987	−0.3661	0.2806
VISTA K_s	2.147^a	2.149	0.1675	−0.1538	0.1179
UKIRT^bJ	1.250^c	1.266	0.3926	−0.3605	0.2764
UKIRT^bK	2.200^c	2.215	0.1595	−0.1465	0.1123

References.

^(a)

http://casu.ast.cam.ac.uk/surveys-projects/vista/technical/filter-set/vista-filter-set.

^(b)

UKIRT IRCAM3.

^(c)

Schlegel et al. (1998).

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