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The photometric method of detecting other planetary systemsRosenblatt (1971) has conducted an investigation regarding the use of photometric techniques to detect other planetary systems by searching for changes in starlight caused by the transit of a planet. The obtained results suggest that neither the intrinsic variation of the starlight nor the transmission fluctuations in the terrestrial atmosphere would prevent detection of planets as small as Mars with telescope apertures of 40 to 60 cm. The present investigation shows that Rosenblatt's results are too optimistic even for present-day differential photometric techniques. However, it appears that the detection of planets at least one-third the size of Jupiter is feasible, if a photometer with the required precision can be developed, taking into account the availability of a wide-angle telescope with a 1- to 2-m aperture.
Document ID
Document Type
Reprint (Version printed in journal)
Borucki, W. J.
(NASA Ames Research Center Moffett Field, CA, United States)
Summers, A. L.
(NASA Ames Research Center Theoretical and Planetary Studies Branch, Moffett Field, CA, United States)
Date Acquired
August 12, 2013
Publication Date
April 1, 1984
Publication Information
Publication: Icarus
Volume: 58
ISSN: 0019-1035
Subject Category
Accession Number
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