The results of an Einstein Observatory study of 51 nearby normal galaxies, including the Large and Small Magellanic Clouds and M31, are reported. The X-ray luminosity of normal galaxies is about 0.0002 of the optical luminosity and shows no strong correlation with morphological type. Approximately 30 new supernova remnants were recognized in the Magellanic Clouds. Over 90 sources were detected in M31, of which at least 20 are identified with globular clusters. The number of luminous sources detected in the nearest galaxies per unit mass are similar to the number found in the Galaxy. Individual X-ray sources in the arms of nearby spirals can be very luminous; seven with luminosities in excess of 10 to the 39th ergs/s have been found. The nuclei of some, but not all, normal galaxies are luminous X-ray sources. Possible reasons for this emission are considered.


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    Titel :

    The X-ray properties of normal galaxies


    Beteiligte:
    Long, K. S. (Autor:in)

    Erscheinungsdatum :

    1982-01-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    X-Ray Properties of Normal Galaxies

    Fabbiano, G. / COSPAR | British Library Conference Proceedings | 1993


    X-ray properties of normal galaxies

    Fabbiano, G. | NTRS | 1993


    X-ray properties of normal galaxies

    Fabbiano, G. | Elsevier | 1993


    X-Ray Properties of Normal Galaxies

    Fabbiano, G. | Online Contents | 1993


    The X-ray properties of normal galaxies

    Long, Knox S. | Elsevier | 1982