2003MNRAS.344L..48F


C.D.S. - SIMBAD4 rel 1.7 - 2020.05.25CEST00:52:57

2003MNRAS.344L..48F - Mon. Not. R. Astron. Soc., 344, L48-L52 (2003/September-3)

The relationship between the optical Hα filaments and the X-ray emission in the core of the Perseus cluster.

FABIAN A.C., SANDERS J.S., CRAWFORD C.S., CONSELICE C.J., GALLAGHER J.S.III and WYSE R.F.G.

Abstract (from CDS):

NGC 1275 in the centre of the Perseus cluster of galaxies, Abell 426, is surrounded by a spectacular filamentary Hα nebula. Deep Chandra X-ray imaging has revealed that the brighter outer filaments are also detected in soft X-rays. This can be due to conduction and mixing of the cold gas in the filaments with the hot, dense intracluster medium. We show the correspondence of the filaments in both wavebands and draw attention to the relationship of two prominent curved north-west filaments to an outer, buoyant radio bubble seen as a hole in the X-ray image. There is a strong resemblance in the shape of the hole and the disposition of the filaments to the behaviour of a large air bubble rising in water. If this is a correct analogy, then the flow is laminar and the intracluster gas around this radio source is not turbulent. We obtain a limit on the viscosity of this gas.

Abstract Copyright: 2003 RAS

Journal keyword(s): galaxies: clusters: individual: Perseus - X-rays: galaxies: clusters

Simbad objects: 7

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Number of rows : 7

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 NAME Perseus Horseshoe PoG 03 19 43.7 +41 31 27           ~ 11 1
2 ACO 426 ClG 03 19 47.2 +41 30 47           ~ 1930 1
3 3C 84 Sy2 03 19 48.1597607660 +41 30 42.114155434   13.10 12.48 11.09   ~ 3522 3
4 NAME Vir I ClG 12 26 32.1 +12 43 24   10.00 8.49     ~ 5784 0
5 M 87 BiC 12 30 49.42338230 +12 23 28.0438581 10.16 9.59 8.63   7.49 ~ 6162 3
6 ACO 2052 ClG 15 16 45.5 +07 00 01           ~ 671 1
7 ACO 2597 ClG 23 25 19.70 -12 07 27.7           ~ 489 0

    Equat.    Gal    SGal    Ecl

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2020.05.25-00:52:57

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