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The Infrared Jet in 3C 31

  • Authors: Lauranne Lanz, Amelia Bliss, Ralph P. Kraft, Mark Birkinshaw, Dharam V. Lal, William R. Forman, Christine Jones, and Diana M. Worrall

Lanz et al. 2011 The Astrophysical Journal 731 52.

  • Provider: AAS Journals

Caption: Figure 1.

Spitzer IRAC images of the nonstellar emission at 5.8 μm (left) and 8.0 μm (right) in a 1 farcm5 × 1′ field around the nucleus. The stellar emission was modeled using the 3.6 μm scaled to compensate for zero-point offsets and aperture corrections. The 3.6 μm emission was color-corrected using a color profile determined for each of the longer IRAC bands. Jet emission is seen in the region to the north–northwest of the nucleus, both of which are indicated by the red arrows. The technique used to subtract the stellar emission of NGC 383 results in different residuals of NGC 382 but does not impact our study of NGC383's jet. The scale bar is 15'' (6.5 deprojected kpc).

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