Mid-infrared dust in two nearby radio galaxies, NGC 1316 (Fornax A) and NGC 612 (PKS 0131-36)

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Table 1

Some characteristics of the enhanced-resolution (MCM-HiRes) WISE maps.

Band^a	Wavelength^b	Resolution^c	Sensitivity^d	Sensitivity^e
	(μm)	(arcsec)	(mag arcsec^-2)	(μJy arcsec^-2)

W1	3.4	2.6	23.4	0.14
W2	4.6	3.0	22.4	0.19
W3	12.0	3.5	18.6	1.1
W4	22.8	5.5	16.1	2.9

Notes.

^(a)

WISE bands.

^(b)

Central wavelengths (taken from Brown et al. 2014).

^(c)

Angular resolution. For comparison, the original single frame WISE images have a diffraction and optics-limited resolution of ~6′′ in the three short-wavelength bands and ~12′′ in the 22 μm band (see Jarrett et al. 2012). The enhanced resolution of the WISE images is comparable to that of Spitzer images (~2.5′′ for IRAC and ~6′′ for MIPS-24).

^(d)

Approximate 1σ surface brightnesses (Vega) measured in the NGC 1316 mosaic images.

^(e)

As in

^(d)

but in μJy arcsec^-2. The pixel size is 0.6875′′ in all four bands.

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