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| Query : 2001ApJ...555L..87V |
2001ApJ...555L..87V - Astrophys. J., 555, L87-L90 (2001/July-2)
Zooming in on the Coma cluster with Chandra: compressed warm gas in the brightest cluster galaxies.
VIKHLININ A., MARKEVITCH M., FORMAN W. and JONES C.
Abstract (from CDS):
The Chandra image of the central region of the Coma Cluster reveals that both its dominant galaxies, NGC 4874 and NGC 4889, retain the central parts of their X-ray gas coronae. The interstellar gas with a temperature of 1-2 keV is confined by the hot intergalactic medium of the Coma Cluster into compact clouds (only 3 kpc in radius) containing 108 M☉ of gas. The physical state of the gas in these clouds appears to be determined by a delicate balance between radiative cooling and suppressed (by a factor of 30-100) heat conduction through the interface between these clouds and the hot cluster gas.
Abstract Copyright: ∼
Journal keyword(s): Galaxies: Clusters: General - Galaxies: Clusters: Individual: Name: Coma - Galaxies: Individual: NGC Number: NGC 4874 - Galaxies: Individual: NGC Number: NGC 4889 - Magnetic Fields - X-Rays: Galaxies
Simbad objects: 3
| Number of rows : 3 |
| 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 | NGC 4874 | LIN | 12 59 35.7093764280 | +27 57 33.293892204 | 13.01 | 13.7 | 12.71 | 12.27 | 11.386 | ~ | 814 | 3 |
| 2 | ACO 1656 | ClG | 12 59 44.40 | +27 54 44.9 | ~ | 5141 | 2 | |||||
| 3 | NGC 4889 | EmG | 13 00 08.097 | +27 58 37.29 | 12.93 | 13.0 | 11.30 | 11.652 | 10.906 | ~ | 742 | 1 |
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