2005MNRAS.357..381R


C.D.S. - SIMBAD4 rel 1.7 - 2020.05.27CEST09:23:24

2005MNRAS.357..381R - Mon. Not. R. Astron. Soc., 357, 381-386 (2005/February-2)

The interaction of 3C 401 with the surrounding intracluster medium.

REYNOLDS C.S., BRENNEMAN L.W. and STOCKE J.T.

Abstract (from CDS):

We present an observation of the radio galaxy 3C 401 and the surrounding intracluster medium (ICM) of its host galaxy cluster by the Chandra X-ray Observatory. This luminous radio galaxy is notable in that it has characteristics intermediate between the Fanaroff-Riley type I and II morphologies. We clearly detect point-like emission coincident with the radio core of 3C 401, although the spatial resolution of even Chandra is only 2 kpc at the distance of 3C 401 (z= 0.201) and so the possibility remains that this is a dense (and rapidly cooling) thermal gaseous core in the centre of the ICM atmosphere. Strong departures from spherical symmetry in the central 10-20 kpc of the ICM clearly suggest interaction between the ICM and the radio lobes of 3C 401. A central X-ray bar probably results from the evacuation of two ICM cavities by the expanding radio lobes. Beyond these central regions, the cluster possesses a flatter profile than many clusters of comparable mass, suggesting the importance of ICM heating and entropy injection by 3C 401. We detect an interesting cross-like structure in the ICM on 100 kpc scales. We speculate that this could be a radio-galaxy-induced disturbance corresponding to a time when 3C 401 was substantially more powerful. A particularly exciting possibility is that this cross-like structure corresponds to a large-scale global g-mode oscillation excited by a past outburst of 3C 401.

Abstract Copyright: 2005 RAS

Journal keyword(s): galaxies: clusters: general - quasars: individual: 3C 401 - X-rays: galaxies: clusters - X-rays: individual: 3C 401

Status at CDS:  

Simbad objects: 9

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Number of rows : 9

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 3C 84 Sy2 03 19 48.1597607660 +41 30 42.114155434   13.10 12.48 11.09   ~ 3522 3
2 NAME Hya A LIN 09 18 05.651 -12 05 43.99   14.38 14.8     ~ 901 1
3 NGC 4636 LIN 12 42 49.867 +02 41 16.01   12.62 11.84     ~ 1037 1
4 ACO 2052 ClG 15 16 45.5 +07 00 01           ~ 672 1
5 NAME Hercules A BiC 16 51 08.024 +04 59 34.91     18.25     ~ 431 1
6 3C 401 SyG 19 40 25.2 +60 41 34   19.1       ~ 192 1
7 NAME Cyg A Sy2 19 59 28.35645829 +40 44 02.0966496   16.22 15.10     ~ 2098 2
8 ACO 2597 ClG 23 25 19.70 -12 07 27.7           ~ 490 0
9 ACO 4059 ClG 23 56 40.7 -34 40 18           ~ 348 1

    Equat.    Gal    SGal    Ecl

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2020.05.27-09:23:24

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