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<i>Herschel</i>photometric observations of the nearby low metallicity irregular galaxy NGC 6822

<i>Herschel</i>photometric observations of the nearby low metallicity irregular galaxy NGC 6822

We present the first Herschel PACS and SPIRE images of the low-metallicity galaxy NGC6822 observed from 70 to 500 mu and clearly resolve the HII regions with PACS and SPIRE. We find that the ratio 250/500 is dependent on the 24 mu surface brightness in NGC6822, which would locally link …