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The HI Luminosity Function from ‘Blind’ Surveys

Published online by Cambridge University Press:  05 March 2013

Stephen E. Schneider*
Affiliation:
University of Massachusetts Astronomy Program, Amherst, MA 01003, USA; [email protected]
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Abstract

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Recent neutral hydrogen (HI) surveys have detected enough sources to make initial predictions of the extragalactic HI luminosity function. These surveys provide useful pointers for the Parkes Multibeam Survey, highlighting various advantages and disadvantages of different observing and analysis procedures. The newest surveys are also large enough to permit some statistical tests of their completeness. The detection rates clearly fall short of what would be expected based on a simple propagation of errors, suggesting the need for further development of detection software. I suggest several procedures for determining the effective sensitivity of HI surveys. Applied to two recent Arecibo surveys, these suggest that the HI luminosity function may be much steeper than its optical counterpart, and that the Parkes surveys may detect a large number of low-mass sources.

Type
Research Article
Copyright
Copyright © Astronomical Society of Australia 1997

References

Briggs, F. H. 1990, AJ, 100, 999 CrossRefGoogle Scholar
Briggs, F. H., Sorar, E., Kraan-Korteweg, R. C., & van Driel, W. 1997, PASA, 14, 37 CrossRefGoogle Scholar
Fisher, J. R., & Tully, R. B. 1981, ApJ, 243, L23 CrossRefGoogle Scholar
Henning, P. A. 1992, ApJS, 78, 365 CrossRefGoogle Scholar
Impey, C. D., Bothun, G. D., & Malin, D. F. 1988, ApJ, 330, 634 CrossRefGoogle Scholar
Krumm, N., & Brosch, N. 1984, AJ, 89, 1461 CrossRefGoogle Scholar
Lin, H., Kirshner, R. P., Shectman, S. A., Landy, S. D., Oemler, A., Tucker, D. L., & Schechter, P. L. 1996, ApJ, 464, 60 CrossRefGoogle Scholar
Sandage, A., Tammann, T., & Yahil, A. 1979, ApJ, 232, 352 CrossRefGoogle Scholar
Schechter, P., 1976, ApJ, 203, 297 CrossRefGoogle Scholar
Schneider, S. E. 1996, in The Minnesota Lectures on Extragalactic Neutral Hydrogen, ASP Conf. Ser. 106, ed. E. D. Skillman (San Francisco: ASP), p. 323 Google Scholar
Shostak, G. S. 1977, AA, 54, 919 Google Scholar
Sorar, E. 1994, PhD thesis, University of Pittsburgh Google Scholar
Spitzak, J. G. 1996, PhD thesis, University of Massachusetts Google Scholar
Staveley-Smith, L. 1997, PASA, 14, 111 CrossRefGoogle Scholar
Weinberg, D. H., Szomoru, A., Guhathakurta, P., & van Gorkom, J. H. 1991, ApJ, 372, L13 CrossRefGoogle Scholar