An X-ray and optical study of seven clusters of galaxies.
Abstract
This paper presents observations of seven clusters of galaxies associated with X-ray sources detected by the Sky Survey Instrument (SSI) on the satellite Ariel 5. Three are new X-ray sources, and there are four new identifications with clusters of galaxies. All error boxes have an area less than about 1/3 square degree. All clusters have been classified according to the Rood and Sastry and the Bautz and Morgan systems. Optical material obtained at a 4-m telescope has been used to give the morphological description of some of the clusters.
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- January 1978
- Bibcode:
- 1978A&A....62..127M
- Keywords:
-
- Galactic Clusters;
- X Ray Sources;
- Ariel 5 Satellite;
- Astronomical Catalogs;
- Error Analysis;
- Galactic Evolution;
- Position Errors;
- Sky Surveys (Astronomy);
- Uhuru Satellite;
- Astrophysics;
- Clusters of Galaxies:X-Ray Sources;
- X-Ray Sources: Optical Identifications