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On the Number of Galactic Planetary Systems

Published online by Cambridge University Press:  04 August 2017

Steven Beckwith
Steven Beckwith*
Affiliation:
Astronomy Department, Cornell University, Ithaca, NY 14853-0352

Abstract

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The discoveries of small particulate clouds surrounding several young stellar objects may be the first direct indications of ongoing planet formation in the Galaxy. If these clouds are indeed the initial stages of new planetary systems around the stars, then planetary systems are probably not rare occurrences around stars and may even be quite common. The evidence for these clouds and their interpretation as young planetary systems is reviewed and discussed in the context of estimating the probability for planet formation around solar-mass stars.

Type
Section II. The Search for Other Planetary Systems
Information
Symposium - International Astronomical Union , Volume 112: The Search for Extraterrestrial Life: Recent Developments , 1985 , pp. 51 - 58
Copyright
Copyright © Reidel 1985 

References

Aumann, H. H., Gillett, F. C., Beichman, C. A., de Jong, T., Houck, J. R., Low, F. J., Neugebauer, G., Walker, R. G., and Wesselius, P. R. 1984, Ap. J. (Letters), 278, L23.Google Scholar
Bastien, P. 1982, Astr. Ap. Suppl., 48, 153.Google Scholar
Beckwith, S., Zuckerman, B., Skrutskie, M. F., and Dyck, H. M. 1984, Ap. J., 287, 215.Google Scholar
Canto, J., Rodriguez, L. F., Barral, J. F., and Carral, P. 1981, Ap. J., 244, 102.Google Scholar
Cohen, M. 1983, Ap. J. (Letters), 270 L69.Google Scholar
Gehrals, T. 1978, ed. “Protostars and Planets,” The University of Arizona Press (Tucson).Google Scholar
Gold, T. 1984, Phil. Trans. Roy. Soc., in press.Google Scholar
Grasdalen, G., Strom, K., Strom, S., Capps, R., Thompson, D. A., and Castelaz, M. 1984, Ap. J. (Letters), 283, L57.Google Scholar
Harrington, J. P. 1982, in “Extraterrestrials – Where are They?” Hart, M. H. and Zuckerman, B. ed., Pergamon Press (New York), p. 142.Google Scholar
Herbig, G. H. 1952, J.R.A.S. Canada, 46, 222.Google Scholar
Herbig, G. H. and Rao, K. N. 1972, Ap. J., 174, 401.Google Scholar
Jones, B. F. and Herbig, G. H. 1982, A. J., 87, 400.Google Scholar
Mercer-Smith, J. A., Cameron, A. G. W., and Epstein, R. I. 1984, Ap. J., 279, 363.Google Scholar
Mundt, R. and Fried, J. W. 1983, Ap. J. (Letters), 274, L83.CrossRefGoogle Scholar
Vrba, F. J., Strom, S. E., and Strom, K. M. 1976, A. J., 81, 958.Google Scholar
Walker, M. F. 1959, Ap. J., 125, 636.Google Scholar
Wynn-Williams, C. G. 1982, Ann. Rev. Astron. Ap., 20, 597.Google Scholar