Herschel : the first science highlights Special feature L etter to the E ditor Herschel photometric observations of the nearby low metallicity irregular galaxy NGC 6822

@inproceedings{Galametz2010HerschelT,
  title={Herschel : the first science highlights Special feature L etter to the E ditor Herschel photometric observations of the nearby low metallicity irregular galaxy NGC 6822},
  author={Maud Galametz and Suzanne C. Madden and Fr{\'e}d{\'e}ric Galliano and Sacha Hony and Marc Sauvage and Michael Pohlen and G. J. Bendo and Robin Auld and Maarten Baes and Michael J. Barlow and JJ. Bock and Alessandro Boselli and Matt Bradford and V{\'e}ronique Buat and N. Castro-Rodr{\'i}guez and P. Chanial and St́ephane Charlot and L. Ciesla and D. L. Clements and Asantha Cooray and Diane Cormier and Luca Cortese and Jonathan I. Davies and Eli Dwek and S. A. Eales and David Elbaz and Walter K. P. Gear and Jason Glenn and Haley L. Gomez and Martine Gri and Kate G. Isaak and L. R. Levenson and Ning Lu and Brian O’Halloran and Ken-ichi Okumura and Sebastian Oliver and Mathew J. Page and Pasquale Panuzzo and Anargyros Papageorgiou and T. J. Parkin and Ismael P{\'e}rez-Fournon and Naseem Rangwala and Elyse Rigby and Helene Roussel and A. Rykala and Nicoletta Sacchi and Bernhard Schulz and Maximilien R. P. Schirm and Matthew W. L. Smith and Luigi Spinoglio and Jason A. Stevens and Shyam Sundar and Myrto Symeonidis and Markos Trichas and Marco Vaccari and L. Vigroux and Christine J. Wilson and Herv{\'e} Wozniak and Gillian Wright and Werner W. Zeilinger},
  year={2010}
}
We present the first Herschel PACS and SPIRE images of the low-metallicity galaxy NGC 6822 observed from 70 to 500 μm and clearly resolve the H ii regions with PACS and SPIRE. We find that the ratio 250/500 is dependent on the 24 μm surface brightness in NGC 6822, which would locally link the heating processes of the coldest phases of dust in the ISM to the star formation activity. We model the SEDs of some regions H ii regions and less active regions across the galaxy and find that the SEDs of… CONTINUE READING
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