2010A&A...512A..36V


Query : 2010A&A...512A..36V

2010A&A...512A..36V - Astronomy and Astrophysics, volume 512, A36-36 (2010/3-1)

The influence of the cluster environment on the large-scale radio continuum emission of 8 Virgo cluster spirals.

VOLLMER B., SOIDA M., CHUNG A., BECK R., URBANIK M., CHYZY K.T., OTMIANOWSKA-MAZUR K. and VAN GORKOM J.H.

Abstract (from CDS):

The influence of the environment on the polarized and total power radio continuum emission of cluster spiral galaxies is investigated. We present deep scaled array VLA 20 and 6cm observations including polarization of 8 Virgo spiral galaxies. These data are combined with existing optical, HI, and Hα data. Ram pressure compression leads to sharp edges of the total power distribution at one side of the galactic disk. These edges coincide with HI edges. In edge-on galaxies the extraplanar radio emission can extend further than the Hi emission. In the same galaxies asymmetric gradients in the degree of polarization give additional information on the ram pressure wind direction. The local total power emission is not sensitive to the effects of ram pressure. The radio continuum spectrum might flatten in the compressed region only for very strong ram pressure. This implies that neither the local star formation rate nor the turbulent small-scale magnetic field are significantly affected by ram pressure. Ram pressure compression occurs mainly on large scales (>1kpc) and is primarily detectable in polarized radio continuum emission.

Abstract Copyright:

Journal keyword(s): galaxies: interactions - galaxies: ISM - galaxies: magnetic fields - radio continuum: galaxies

Simbad objects: 22

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Number of rows : 22
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 57 GiG 00 15 30.873 +17 19 42.22   13.7       ~ 85 0
2 ACO 262 ClG 01 52 50.4 +36 08 46           ~ 680 1
3 NGC 891 H2G 02 22 32.907 +42 20 53.95 11.08 10.81 9.93 7.86   ~ 1608 2
4 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1048 1
5 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1757 2
6 NGC 4330 GiG 12 23 17.249 +11 22 04.73   14.0       ~ 212 0
7 NGC 4388 Sy2 12 25 46.820 +12 39 43.45 11.91 11.76 11.02     ~ 1282 2
8 NGC 4396 GiG 12 25 58.802 +15 40 17.28 12.94 13.06 12.58     ~ 175 1
9 NGC 4402 GiP 12 26 07.65312 +13 06 47.9376   12.55       ~ 382 2
10 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6345 0
11 NGC 4438 LIN 12 27 45.6705493536 +13 00 31.708096380 11.37 11.02 10.17     ~ 615 2
12 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 6784 3
13 M 88 Sy2 12 31 59.1525062448 +14 25 13.148971824   14.33 13.18     ~ 769 1
14 NGC 4522 GiG 12 33 39.657 +09 10 29.54   13.6       ~ 350 0
15 NGC 4535 H2G 12 34 20.3443516704 +08 11 51.908488116   11.1       ~ 574 0
16 M 90 Sy2 12 36 49.8009839880 +13 09 46.523813040 10.56 10.26 9.54     ~ 857 1
17 NGC 4654 GiP 12 43 56.638 +13 07 34.86   11.8       ~ 538 1
18 QSO B1252+119 QSO 12 54 38.25561478 +11 41 05.8950431   16.99 16.64 16.76   ~ 262 1
19 ACO 1656 ClG 12 59 48.7 +27 58 50           ~ 4575 2
20 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4149 2
21 M 83 SBG 13 37 00.91920 -29 51 56.7400 8.85 8.11 7.52 7.21   ~ 2437 2
22 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2409 2

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2022.12.04-16:32:45

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