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HEASARC Staff Scientist Position - Applications are now being accepted for a Staff Scientist with significant experience and interest in the technical aspects of astrophysics research, to work in the High Energy Astrophysics Science Archive Research Center (HEASARC) at NASA Goddard Space Flight Center (GSFC) in Greenbelt, MD. Refer to the AAS Job register for full details.

ASCA Guest Observer Facility

ASCA Science Highlights: Normal Galaxies

Follow the links to images and plots

Normal galaxies contain individual X-ray sources such as supernova remnants and X-ray binaries, and may also contain hot, diffuse gas.
  • As a special example of individual sources, the ASCA mission was lucky to catch the early X-ray emission from SN 1993J in the nearby spiral Galaxy, M81.
  • Diffuse emission from elliptical galaxies such as NGC 4472 indicates the presence of hot gas, gravitationally confined by the presence of dark matter in these ellipticals. The presence of a hard component is also seen with ASCA, which is thought to be due to a collection of X-ray binaries.


This page created by Dr. Koji Mukai (USRA) at the U.S. ASCA Guest Observer Facility.

This file was last modified on Monday, 28-May-2001 18:39:12 EDT
Curator: Michael Arida (SP Sys); arida@milkyway.gsfc.nasa.gov
HEASARC Guest Observer Facility


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This file was last modified on Monday, 28-May-2001 18:39:12 EDT

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