2024MNRAS.533..608K

Query : 2024MNRAS.533..608K

2024MNRAS.533..608K - Mon. Not. R. Astron. Soc., 533, 608-620 (2024/September-1)

ASKAP reveals the radio tail structure of the Corkscrew Galaxy shaped by its passage through the Abell 3627 cluster.

KORIBALSKI B.S., DUCHESNE S.W., LENC E., VENTURI T., BOTTEON A., SHABALA S.S., VERNSTROM T., CARRETTI E., NORRIS R.P., ANDERSON C., HOPKINS A.M., RISELEY C.J., GUPTA N. and VELOVIC V.

Abstract (from CDS):

Among the bent-tail radio galaxies common in galaxy clusters are some with long, collimated tails (so-called head-tail galaxies) shaped by their interactions with the intracluster medium (ICM). Here, we report the discovery of intricate filamentary structure in and beyond the ∼28 arcmin (570 kpc) long, helical radio tail of the Corkscrew Galaxy (1610-60.5, ESO 137-G007), which resides in the X-ray bright cluster Abell 3627 (D = 70 Mpc). Deep radio continuum data were obtained with wide-field phased array feeds on the Australian Square Kilometer Array Pathfinder (ASKAP) at 944 MHz and 1.4 GHz. While the bright (young) part of the Corkscrew Galaxy tail is highly collimated, the faint (old) part shows increasing oscillation amplitudes, break-ups, and filaments. We find a stunning set of arc-shaped radio filaments beyond and mostly orthogonal to the collimated Corkscrew tail end, forming a partial bubble. This may be the first detection of a 'proto-lobe' previously seen in 3D MHD simulations, formed by the face-on impact of the Corkscrew Galaxy with a shock front in the cluster outskirts. Interactions of the radio galaxy tail with the ICM are likely responsible for the tail collimation and shear forces within the ICM for its increasingly filamentary structure. We also report the discovery of small (∼20-30 kpc) ram-pressure stripped radio tails in four Abell 3627 cluster galaxies, located between the Corkscrew Galaxy and its prominent neighbour, the wide-angle tail (WAT) radio galaxy 1610-60.8 (ESO 137-G006).

Abstract Copyright: © 2024 The Author(s). Published by Oxford University Press on behalf of Royal Astronomical Society.

Journal keyword(s): instrumentation: interferometers - galaxies: clusters: intracluster medium - galaxies: individual: ESO 137-G007 - radio continuum: galaxies - X-rays: galaxies: clusters

Simbad objects: 35

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Number of rows : 35
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Z 384-32 rG 00 56 02.6897785104 -01 20 03.767007480   15.5817766 14.5116005     ~ 104 0
2 NGC 1265 rG 03 18 15.674 +41 51 27.94   14.7       ~ 386 2
3 ACO 426 ClG 03 19 47.6 +41 30 54           ~ 2508 1
4 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
5 ACO 3266 ClG 04 31 26.4 -61 25 17           ~ 447 0
6 NAME Great Attractor SCG 10 32 -46.0           ~ 617 0
7 IC 708 Sy2 11 33 59.2259098704 +49 03 43.440038784   14.2       ~ 153 1
8 IC 711 LIN 11 34 46.5591867192 +48 57 22.009458600   15.2       ~ 88 1
9 ACO 1314 ClG 11 34 53.0 +49 05 18           ~ 234 1
10 NAME M87 Jet Rad 12 30 49.423 +12 23 28.04           ~ 315 1
11 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
12 NAME Shapley Supercluster SCG 13 06.0 -33 04           ~ 677 0
13 IC 4296 rG 13 36 39.03253319 -33 57 57.0730368   11.52 12.99 10.00 10.79 ~ 520 2
14 ACO 2142 ClG 15 58 26.5 +27 13 52           ~ 825 0
15 2MASX J16111122-6045108 GiG 16 11 11.2935648816 -60 45 10.906424784           ~ 15 0
16 LEDA 2793282 Sy1 16 11 51.3943954128 -60 37 55.030263996   14.7       ~ 86 0
17 LEDA 2802022 AG? 16 11 55.88 -60 43 32.8   15.7       ~ 7 0
18 ESO 136-24 GiG 16 12 11.5704719064 -60 46 59.707004052   14.6       ~ 30 0
19 ESO 137-1 AG? 16 13 27.305 -60 45 50.59   14.84   13.87   ~ 132 0
20 ESO 137-2 GiG 16 13 35.651 -60 51 54.60   13.75   12.43   ~ 50 0
21 ESO 137-4 GiG 16 13 57.484 -60 56 24.42   14.92   13.47   ~ 25 0
22 ACO 3627 ClG 16 14 22.5 -60 52 07           ~ 340 2
23 PMN J1615-6039 rG 16 14 50.7 -60 38 11           ~ 17 1
24 ESO 137-6 rG 16 15 03.864 -60 54 26.14   13.08 12.83 11.33   ~ 119 0
25 ESO 137-7 rG 16 15 32.889 -60 39 55.25   13.90   12.23   ~ 33 0
26 ESO 137-10 GiG 16 15 50.134 -60 48 11.15   12.46   11.13   ~ 49 0
27 LEDA 2816213 AG? 16 19 03.69 -61 17 47.1           ~ 7 0
28 LEDA 2816212 AG? 16 25 36.17 -60 36 19.1           ~ 5 0
29 ACO 2256 ClG 17 03 37.5 +78 37 23           ~ 928 1
30 ACO 2255 ClG 17 12 56.0 +64 04 06           ~ 605 0
31 NAME Beaver Galaxy rG 17 13 16.0032670728 +63 47 37.537544544           ~ 37 1
32 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
33 IC 1365 GrG 21 14 03.6958 +02 34 14.568           ~ 52 0
34 NGC 7385 QSO 22 49 54.58599807 +11 36 30.8455760   14.4 13.01     ~ 183 1
35 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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