2010A&A...518L..52G

Query : 2010A&A...518L..52G

2010A&A...518L..52G - Astronomy and Astrophysics, volume 518, L52-52 (2010/7-2)

The Herschel Virgo Cluster Survey. V. Star-forming dwarf galaxies - dust in metal-poor environments.

GROSSI M., HUNT L.K., MADDEN S., VLAHAKIS C., BOMANS D.J., BAES M., BENDO G.J., BIANCHI S., 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., HUGHES T.M., JONES A.P., PIERINI D., POHLEN M., SABATINI S., SMITH M.W.L., VERSTAPPEN J., XILOURIS E.M. and ZIBETTI S.

Abstract (from CDS):

We present the dust properties of a small sample of Virgo cluster dwarf galaxies drawn from the science demonstration phase data set of the Herschel Virgo Cluster Survey. These galaxies have low metallicities (7.8<12+log(O/H)<8.3) and star-formation rates ≲10–1M☉/yr. We measure the spectral energy distribution (SED) from 100 to 500µm and derive dust temperatures and dust masses. The SEDs are fitted by a cool component of temperature T≲20K, implying dust masses around 105M☉and dust-to-gas ratios D within the range 10–3-10–2. The completion of the full survey will yield a larger set of galaxies, which will provide more stringent constraints on the dust content of star-forming dwarf galaxies.

Abstract Copyright: ∼

Journal keyword(s): galaxies: dwarf - galaxies: ISM - dust, extinction - infrared: ISM

Simbad objects: 12

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Number of rows : 12
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 SBSG 0335-052B G 03 37 44.04 -05 02 40.2   16.77 16.65   16.79 ~ 185 1
2 SBSG 0335-052 bCG 03 37 44.06 -05 02 40.2     16.65     ~ 471 1
3 NGC 1569 IG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1241 3
4 Mrk 116 PaG 09 34 02.1 +55 14 25           ~ 1104 1
5 NAME M 81-82 Group GrG 09 55 +69.1           ~ 716 0
6 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4446 3
7 NGC 3310 AGN 10 38 45.85707 +53 30 11.8940   12.45 12.15     ~ 773 1
8 IC 3224 AG? 12 22 36.0781372728 +12 09 27.638744616   16       ~ 62 0
9 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6637 0
10 IC 3412 GiG 12 29 22.647 +09 59 20.49   15.4       ~ 64 0
11 IC 3446 GiG 12 31 23.137 +11 29 34.15   15.63       ~ 82 1
12 IC 3583 GiG 12 36 43.558 +13 15 32.93   13.31       ~ 179 1

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