Browsing by Author "Varenius, E."

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    Atomic hydrogen bridge fueling NGC 4418 with gas from VV 655
    (2017) Varenius, E.; Costagliola, F.; Kloeckner, H. -R.; Aalto, S.; Spoon, H.; Marti-Vidal, I.; Conway, J. E.; Privon, G. C.; Konig, S.
    Context. The galaxy NGC4418 harbours a compact (< 20 pc) core with a very high bolometric luminosity (similar to 10(11) L-circle dot). As most of the galaxy energy output comes from this small region, it is of interest to determine what fuels this intense activity. An interaction with the nearby blue irregular galaxy VV655 has been proposed, where gas acquired by NGC4418 could trigger intense star formation and / or black hole accretion in the centre.