Chandra Observation of M84, Radio Lobe Elliptical in Virgo cluster

Details Chandra Observation of M84, Radio Lobe Elliptical in Virgo cluster Chandra Observation of M84, Radio Lobe Elliptical in Virgo cluster

2000-10-23

arxiv.org/abs/astro-ph/0010450v1

Astronomy and Astrophysics

Astrophysics

accepted to ApJ Letters, Oct 2000. 5 pages in emulateapj

Scientific paper

10.1086/318910

We analyzed a deep Chandra observation of M84, a bright elliptical galaxy in the core of the Virgo cluster. We find that the spatial distribution of the soft X-ray emission is defined by the radio structure of the galaxy. In particular we find two low density regions associated with the radio lobes and surrounded by higher density X-ray filaments. In addition to a central AGN and a population of galactic sources, we find a diffuse hard source filling the central 10 kpc region. Since the morphology of the hard source appears round and is different from that seen in the radio or in soft X-rays, we propose that it is hot gas heated by the central AGN. Finally, we find that the central elemental abundance in the X-ray gas is comparable to that measured optically.

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