Hostname: page-component-84b7d79bbc-dwq4g Total loading time: 0 Render date: 2024-07-28T10:26:19.706Z Has data issue: false hasContentIssue false
  • English
  • Français

80 MHz Survey of Extra-Galactic X-ray Sources

Published online by Cambridge University Press:  25 April 2016

O. B. Slee  and
P. J. Quinn
O. B. Slee
Affiliation:
Division of Radiophysics, CSIRO, Sydney
P. J. Quinn
Affiliation:
Mount Stromlo and Siding Spring Observatories, Australian National University, Canberra
Get access Rights & Permissions [Opens in a new window]

Extract

The completion of the Uhuru (Forman et al. 1978) and Ariel V (Cooke et al. 1978) surveys of the sky for X-ray emission has resulted in many proposed identifications with individual galaxies and clusters of galaxies. The X-ray positions are not usually accurate enough to enable a positive identification to be made of the X-ray sources with optical or radio objects, and hence the identification is often based on statistical arguments — viz., the unexpected occurrence of unusual galaxies, radio sources or clusters of galaxies within or near the X-ray error boxes. There is usually no significant information available on the angular size of the X-ray emitter but in two or three cases (e.g. Perseus cluster, Coma cluster and Virgo cluster) the angular resolution is good enough to identify a broad component with dimensions approaching those of the whole cluster. This extended X-ray emission has been ascribed to either inverse Compton scattering of the 3° microwave background by relativistic electrons in the intra-cluster medium or to thermal-bremsstrahlung emission by an optically thin plasma at - 10s K.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 3 , Issue 5 , 1979 , pp. 332 - 341
Copyright
Copyright © Astronomical Society of Australia 1979

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Baldwin, J.E., and Scott, P.F., Mon. Not. R. Astron. Soc, 165, 259 (1973).CrossRefGoogle Scholar
Cooke, B.A., and 11 others, Mon. Not. R. Astron. Soc, 182, 489 (1978).Google Scholar
Corwin, H., Astron. J., 79, 1356 (1974).Google Scholar
Costain, C.H., Bridle, A.H., and Feldman, P.A., Astrophys. J. Lett., 175, L15 (1972).Google Scholar
Dawe, J.A., Dickens, R.J., and Peterson, B.A., Mon. Not. R. Astron. Soc, 178, 675 (1977).CrossRefGoogle Scholar
Erickson, W.C., Matthews, T.A., and Viner, M.R., Astrophys. J., 222, 761 (1978).CrossRefGoogle Scholar
de Vaucouleurs, G., de Vaucouleurs, A., and Corwin, H., Second Reference Catalogue of Bright Galaxies, University of Texas Press (1976).Google Scholar
Forman, W., and 7 others, Astrophys. J. Suppl. No. 38, 357 (1978).Google Scholar
Guthrie, B.N.G., Astrophys. Space Sci., 52, 177 (1977).CrossRefGoogle Scholar
Jenner, D.C., Astrophys. J., 191, 55 (1974).CrossRefGoogle Scholar
Jones, C, and Forman, W., Astrophys. J. 224, 1 (1978).Google Scholar
Lea, S.M., and Holman, G.D., Astrophys. J., 222, 29 (1978).Google Scholar
Leir, A.A., and van den Bergh, S., Astrophys. J. Suppl. Ser., 34, 381 (1977).Google Scholar
McHardy, I., Mon. Not. R. Astron. Soc, 184, 783 (1978).Google Scholar
Maccacaro, T., Cooke, B.A., Ward, M.J., Penston, M.V., and Haynes, R.F., Mon. Not. R. Astron. Soc, 180, 465 (1977).Google Scholar
Maccagni, D., and 7 others, Astron. Astrophys., 62, 127 (1978).Google Scholar
Noonan, T.W., Astrophys. J., 78, 26 (1973).Google Scholar
Peterson, B.A., Astrophys. J., 75, 695 (1970).Google Scholar
Rose, J.A., Astron. Astrophys. Suppl., 23, 109 (1976).Google Scholar
Sandage, A., and Hardy, E., Astrophys. J., 183, 743 (1973).Google Scholar
Schmidt, M., Astrophys. J., 141, 1 (1965).CrossRefGoogle Scholar
Slee, O.B., Aust. J. Phys. Astrophys. Suppl. No. 43 (1977).Google Scholar
Slingo, A., Mon. Not. R. Astron. Soc, 168, 307 (1974).Google Scholar
Tytler, D., and Vidal, N., Mon. Not. R. Astron. Soc, 182, 33P (1978).Google Scholar
Vidal, N., Proc Astron. Soc. Aust., 1, 327 (1975).Google Scholar
Whiteoak, J.B., Aust. J. Phys., 25, 233 (1972).Google Scholar
Williams, P.J.S., and Bridle, A.H., Observatory, 87, 280 (1967).Google Scholar
Willson, M.A.G., Mon. Not. R. Astron. Soc, 151, 1 (1970).CrossRefGoogle Scholar