3C31 = B0104+321
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FR I (plumed) radio galaxy at z = 0.017 (70 Mpc, H = 71 km/s/Mpc, Ω_m = 0.27, Ω_Λ = 0.73)
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Linear scale 340 pc/arcsec
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Filamentary plumes extend over 400 kpc from galaxy
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Conical inner jet and counterjet
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VLA λ20cm (1.4 GHz) data at 5.5 arcsec resolution
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Processed with Sobel (intensity-gradient) filter
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Other images of 3C31 available here:
Data of Robert Laing (ESO), Alan Bridle and Richard Perley (NRAO), Paola Parma, Luigina Feretti, Gabriele Giovannini and Matteo Murgia (Bologna), published in Monthly Notices of the Royal Astronomical Society, 386, 657-672 (2008).
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Last updated:
12 June 2014, 14:32 EDT