2010A&A...518L..54D


Query : 2010A&A...518L..54D

2010A&A...518L..54D - Astronomy and Astrophysics, volume 518, L54-54 (2010/7-2)

The Herschel Virgo Cluster Survey. VII. Dust in cluster dwarf elliptical galaxies.

DE LOOZE I., BAES M., ZIBETTI S., FRITZ J., CORTESE L., DAVIES J.I., VERSTAPPEN J., BENDO G.J., BIANCHI S., CLEMENS M., BOMANS D.J., BOSELLI A., CORBELLI E., DARIUSH A., DI SEREGO ALIGHIERI S., FADDA D., 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., SMITH M.W.L., VLAHAKIS C. and XILOURIS E.M.

Abstract (from CDS):

We use the science demonstration phase data of the Herschel Virgo Cluster Survey to search for dust emission of early-type dwarf galaxies in the central regions of the Virgo cluster as an alternative way of identifying the interstellar medium. We present the first possible far-infrared detection of cluster early-type dwarf galaxies: VCC781 and VCC951 are detected at the 10σ level in the SPIRE 250µm image. Both detected galaxies have dust masses of the order of 105M and average dust temperatures ≃20K. The detection rate (less than 1%) is quite high compared to the 1.7% detection rate for HI emission, considering that dwarfs in the central regions are more HI deficient. We conclude that the removal of interstellar dust from dwarf galaxies resulting from ram pressure stripping, harassment, or tidal effects must be as efficient as the removal of interstellar gas.

Abstract Copyright:

Journal keyword(s): galaxies: dwarf - galaxies: individual: VCC781 - galaxies: individual: VCC951 - galaxies: ISM - dust, extinction

Simbad objects: 19

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Number of rows : 19
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 NGC 185 Sy2 00 38 57.9400026024 +48 20 15.035874648   9.10 9.2     ~ 777 1
2 M 110 GiG 00 40 22.0572349992 +41 41 07.507220136   8.92 8.07     ~ 1276 1
3 NAME Scl Group GrG 01 00 06 -33 44.2           ~ 495 0
4 ACO S 373 ClG 03 38 30 -35 27.3           ~ 1725 0
5 LEDA 40427 LSB 12 24 47.90 +11 49 06.2           ~ 7 0
6 LEDA 40460 GiC 12 25 04.5 +13 04 35   19.76 19.80   18.36 ~ 9 0
7 IC 3303 GiG 12 25 15.1991817360 +12 42 52.784461080   15.1 14.24   13.29 ~ 76 0
8 LEDA 40493 G 12 25 16.836 +11 36 19.26           ~ 19 0
9 LEDA 40548 GiC 12 25 37.2090679392 +13 08 37.337258544   16.8 15.39   14.29 ~ 40 0
10 LEDA 40571 G 12 25 43.583 +12 40 27.56           ~ 6 0
11 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6379 0
12 IC 3358 GiG 12 26 54.423 +11 39 48.84   14.28 13.52   12.30 ~ 69 1
13 SDSS J122655.56+114000.5 G 12 26 55.560 +11 40 00.56           ~ 2 0
14 LEDA 41286 LSB 12 30 16.017 +13 18 27.13           ~ 16 0
15 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 6826 3
16 LEDA 41705 LSB 12 33 25.2137 +13 24 58.519   22       ~ 8 0
17 LEDA 41723 GiC 12 33 34.6393912344 +11 15 42.734036952   16       ~ 55 0
18 LEDA 41852 GiC 12 34 41.688 +11 08 34.12   19.88       ~ 8 0
19 NAME Local Group GrG ~ ~           ~ 7893 0

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2023.01.31-02:03:54

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