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VLBI Mapping of the Nuclei of Radio Galaxies and Quasars

Published online by Cambridge University Press:  14 August 2015

A.C.S. Readhead*
Affiliation:
Owens Valley Radio Observatory California Institute of Technology

Extract

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It is now possible, by means of VLBI hybrid mapping, to make maps of radio sources with a resolution of ~ 1 milliarcsecond. This enables us for the first time to compare the morphologies of the small- and large-scale structures of extragalactic radio sources, and they are strikingly different.

Type
Research Article
Copyright
Copyright © Reidel 1980 

References

1. Blandford, R.D. and Konigl, A.: 1979, Astrophys. J., (in press).Google Scholar
2. Bridle, A.H., Davis, M.M., Fomalont, E.B., Willis, A.G. and Strom, R.G.: 1980, Astrophys. J., (submitted).Google Scholar
3. Cohen, M.H., Kellermann, K.I., Shaffer, D.B., Linfield, R.P., Moffet, A.T., Romney, J.D., Seielstad, G.A., Pauliny-Toth, I.I.K., Preuss, E., Witzel, A., Schilizzi, R.T. and Geldzahler, B.J.: 1977, Nature, 268, p405.CrossRefGoogle Scholar
4. Cohen, M.H., Pearson, T.J., Readhead, A.C.S., Seielstad, G.A., Simon, R.S. and Walker, R.C.: 1979, Astrophys. J., 231, p293.CrossRefGoogle Scholar
5. Cohen, M.H. and Readhead, A.C.S.: 1979, Astrophys. J. Letters, (in press).Google Scholar
6. Condon, J. and Backer, D.C.: 1975, Astrophys. J., 197, p31.Google Scholar
7. Condon, J.J. and Dennison, B.: 1978, Astrophys. J., 224, p835.Google Scholar
8. Cotton, W.D., Counselman, C.C., Geller, R.B., Shapiro, I.I., Wittels, J.J., Hinteregger, H.F., Knight, C.A., Rogers, A.E.E., Whitney, A.R. and Clark, T.A.: 1979, Astrophys. J. Letters, 229, L115L117.Google Scholar
9. Davis, R.D., Stannard, D. and Conway, R.G.: 1977, Nature, 267, p596.Google Scholar
10. Donaldson, W. and Smith, H.: 1971, Monthly Notices Roy. Astron. Soc., 151, p253.Google Scholar
11. Hargrave, P. and Ryle, M.: 1974, Monthly Notices Roy. Astron. Soc., 166, p305.Google Scholar
12. Jennison, R.C.: 1958, Monthly Notices Roy. Astron. Soc., 118, p276.Google Scholar
13. Kellermann, K.I., Clark, B.G., Niell, A.E. and Shaffer, D.B.: 1975, Astrophys. J. Letters, 197, L113L116.CrossRefGoogle Scholar
14. Laing, R.: 1980, Monthly Notices Roy. Astron. Soc., (in press).Google Scholar
15. Linfield, R.P.: 1979, (private communication).Google Scholar
16. Lyne, A.: 1972, Monthly Notices Roy. Astron. Soc., 158, p431.Google Scholar
17. Miley, G.K.: 1971, Monthly Notices Roy. Astron. Soc., 152, p477.Google Scholar
18. Niell, A.E., Kellermann, K.I., Clark, B.G. and Shaffer, D.B.: 1975, Astrophys. J. Letters, 197, L103L112.Google Scholar
19. Pauliny-Toth, I.I.K., Preuss, E., Witzel, A., Kellermann, K.I., Shaffer, D.B., Purcell, G.H., Grave, G.W., Jones, D.L., Cohen, M.H., Moffet, A.T., Romney, J., Schilizzi, R.T. and Rinehart, R.: 1976, Nature, 259, p17.Google Scholar
20. Pauliny-Toth, I.I.K., Witzel, A., Preuss, E., Kuhr, H., Kellermann, K.I., Fomalont, E.G. and Davis, M.M.: 1978, Astron, J., 83, p451.Google Scholar
21. Pearson, T.J., Readhead, A.C.S. and Wilkinson, P.N.: 1980, Astrophys. J., (submitted).Google Scholar
22. Pearson, T.J. and Readhead, A.C.S.: 1980, Astrophys. J., (submitted).Google Scholar
23. Perley, R.A. and Johnstone, K.J.: 1979, Astron. J., (in press).Google Scholar
24. Preuss, E., Kellermann, K.I., Pauliny-Toth, I.I.K. and Shaffer, D.B.: (in preparation).Google Scholar
25. Readhead, A.C.S., Cohen, M.H. and Blandford, R.D.: 1978a, Nature, 272, p131.Google Scholar
26. Readhead, A.C.S., Cohen, M.H., Pearson, T.J. and Wilkinson, P.N.: 1978b, Nature, 276, p768.Google Scholar
27. Readhead, A.C.S., Napier, P.J. and Bignell, R.C.: 1980a, Astrophys. J., (submitted).Google Scholar
28. Readhead, A.C.S. and Pearson, T.J.: 1980, Astrophys. J., (submitted).Google Scholar
29. Readhead, A.C.S., Pearson, T.J., Cohen, M.H., Ewing, M.S. and Moffet, A.T.: 1979, Astrophys. J., 231, p299.Google Scholar
30. Readhead, A.C.S., Sargent, W.L.W. and Cohen, M.H.: 1980b, Astrophys. J., (submitted).Google Scholar
31. Readhead, A.C.S. and Wilkinson, P.N.: 1978, Astrophys. J., 223, p25.Google Scholar
32. Readhead, A.C.S. and Wilkinson, P.N.: 1980, Astrophys. J., (in press).Google Scholar
33. Scheuer, P.A.G. and Readhead, A.C.S.: 1979, Nature, 277, p182.Google Scholar
34. Scott, M.A.: 1977, Monthly Notices Roy. Astron. Soc., 197, p377.Google Scholar
35. Schilizzi, R.T., Cohen, M.H., Romney, J.D., Shaffer, D.B., Kellermann, K.I., Swenson, G.W., Yen, J.L. and Rinehart, R.: 1975, Astrophys. J., 201, p263.CrossRefGoogle Scholar
36. Schilizzi, R.T., Miley, G.K., van Ardenne, A., Baud, B., Beath, L., Ronnang, B.O. and Pauliny-Toth, I.I.K.: 1979, Astron. Astrophys., (in press).Google Scholar
37. Shaffer, D.B., Cohen, M.H., Romney, J.D., Schilizzi, R.T., Kellermann, K.I., Swenson, G.W., Yen, J.L. and Rinehart, R.: 1975, Astrophys. J., 201, p256.CrossRefGoogle Scholar
38. Shaffer, D.B., Kellermann, K.I., Purcell, G.H., Pauliny-Toth, I.I.K., Preuss, E., Witzel, A., Graham, D., Schilizzi, R.T., Cohen, M.H., Moffet, A.T., Romney, J.D. and Niell, A.E.: 1977 Astrophys. J., 218, p353.CrossRefGoogle Scholar
39. Shaffer, D.B. and Schilizzi, R.T.: 1975, Astron. J., 80, p753.Google Scholar
40. Simon, R.S., Readhead, A.C.S., Wilkinson, P.N., Moffet, A.T. and Anderson, B.: 1980, Astrophys. J., (submitted).Google Scholar
41. Waggett, P.C., Warner, P.J. and Baldwin, J.E.: 1977, Monthly Notices Roy. Astron. Soc., 181, p465.Google Scholar
42. Wilkinson, P.N., Readhead, A.C.S., Purcell, G.H. and Anderson, B.: 1977, Nature, 269, p764.Google Scholar
43. Wilkinson, P.N., Readhead, A.C.S., Anderson, B. and Purcell, G.H.: 1979, Astrophys. J., (in press).Google Scholar
44. Willis, A.G., Strom, R.G. and Wilson, A.S.: 1974, Nature, 250, p625 Google Scholar