2010A&A...518L..51S


C.D.S. - SIMBAD4 rel 1.7 - 2021.02.24CET22:46:02

2010A&A...518L..51S - Astronomy and Astrophysics, volume 518, L51-51 (2010/7-2)

The Herschel Virgo Cluster Survey. IV. Resolved dust analysis of spiral galaxies.

SMITH M.W.L., VLAHAKIS C., BAES M., BENDO G.J., BIANCHI S., BOMANS D.J., BOSELLI A., CLEMENS M., CORBELLI E., CORTESE L., DARIUSH A., DAVIES J.I., DE LOOZE I., DI SEREGO ALIGHIERI S., FADDA D., FRITZ J., GARCIA-APPADOO D.A., GAVAZZI G., GIOVANARDI C., GROSSI M., HUGHES T.M., HUNT L.K., JONES A.P., MADDEN S., PIERINI D., POHLEN M., SABATINI S., VERSTAPPEN J., XILOURIS E.M. and ZIBETTI S.

Abstract (from CDS):

We present a resolved dust analysis of three of the largest angular size spiral galaxies, NGC 4501 and NGC 4567/8, in the Herschel Virgo Cluster Survey (HeViCS) science demonstration field. Herschel has unprecedented spatial resolution at far-infrared wavelengths and with the PACS and SPIRE instruments samples both sides of the peak in the far infrared spectral energy distribution (SED). We present maps of dust temperature, dust mass, and gas-to-dust ratio, produced by fitting modified black bodies to the SED for each pixel. We find that the distribution of dust temperature in both systems is in the range ∼19-22K and peaks away from the centres of the galaxies. The distribution of dust mass in both systems is symmetrical and exhibits a single peak coincident with the galaxy centres. This Letter provides a first insight into the future analysis possible with a large sample of resolved galaxies to be observed by Herschel.

Abstract Copyright:

Journal keyword(s): galaxies: evolution - galaxies: spiral - galaxies: ISM

Simbad objects: 4

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Number of rows : 4

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NAME Vir I ClG 12 26 32.1 +12 43 24   10.00 8.49     ~ 5978 0
2 M 88 Sy2 12 31 59.216 +14 25 13.48   14.33 13.18     ~ 742 1
3 NGC 4567 GiP 12 36 32.701 +11 15 28.69 12.25 12.06 11.31     ~ 294 2
4 NGC 4568 GiP 12 36 34.292 +11 14 19.07   12.11 11.19     ~ 349 2

    Equat.    Gal    SGal    Ecl

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