Rescuing the Initial Mass Function for Arp 78

Abstract

We present deep R and narrow-band Hα images of Arp 78 obtained with the WIYN 3.5-m telescope on Kitt Peak. GALEX observations had shown a very extended UV structure for this system, reaching beyond the optical radius of Arp 78 and also beyond its previously known Hα− radius. Our new Hα data now show agreement not only with the spatial extent of the near-and… (More)

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