VNGS science highlight: PDR models of M51

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Presentation transcript:

VNGS science highlight: PDR models of M51 [CII]/[OI]63 Similar gas properties in arm and interarm regions. ([CII]+[OI]63)/FTIR Higher densities and stronger radiation fields in center T. Parkin et al., 2013, ApJ

Priorities for future work Continue analysis of FTS data M83: Wu et al. 2014 (referee report received) M51: (Schirm et al., analysis underway) Other galaxies: Cen A, NGC 891 Continue analysis of PACS spectroscopy NGC 891 (Hughes et al., first draft circulated) Other galaxies: NGC 5195, M81, NGC 2403, M83 (outer strip only) Overview/cross-galaxy comparison paper(s)? Dust? Gas? Combined? Note: not clear who will work on remaining data …

VNGS Publications since June, 2013 T. Parkin et al., 2014, “The physical characteristics of the gas in the disk of Centaurus A using the Herschel Space Observatory”, ApJ, in press T. Hughes et al., “A resolved analysis of cold dust and gas in the nearby edge-on spiral NGC 891”, 2014, A&A M. Schirm et al., “Herschel-SPIRE Fourier Transform Spectrometer Observations of Excited CO and [C I] in the Antennae (NGC 4038/39): Warm and Cold Molecular Gas”, 2014, ApJ C. Wilson et al., “Cold Dust but Warm Gas in the Unusual Elliptical Galaxy NGC 4125”, 2013, ApJ T. Parkin et al., “Regional Variations in the Dense Gas Heating and Cooling in M51 from Herschel Far-infrared Spectroscopy”, 2013, ApJ K. Foyle et al., “Star formation and dust heating in the FIR bright sources of M83”, 2013, MNRAS

Other plans and analysis techniques PACS spectroscopy cubes fully processed and ready to submit to the Herschel archive Foyle et al. (2013) paper on M83 applied getsources to an extragalactic source (see also Natale, Foyle et al. 2014 for M33) Analysis of FTS intermediate sampled maps underway using source-correction tool from Wu et al. (2013) in hipe Last data delivery will be FTS spectroscopy Need to think about what products it makes sense to deliver beyond the basic processed hipe data