An Interferometric Search for Bright Companions to 51 Pegasi
The Astrophysical Journal1998Vol. 504(1), pp. L39–L42
Citations Over TimeTop 10% of 1998 papers
Andrew F. Boden, Gerald van Belle, M. M. Colavita, Philip Dumont, J. Gubler, C. Koresko, S. R. Kulkarni, Benjamin F. Lane, D. W. Mobley, M. Shao, J. Kent Wallace
Abstract
We report on a near-infrared, long-baseline interferometric search for luminous companions to the star 51 Pegasi conducted with the Palomar Testbed Interferometer. Our data is completely consistent with a single-star hypothesis. We find no evidence to suggest a luminous companion to 51 Pegasi, and can exclude a companion brighter than a $\Delta$K of 4.27 at the 99% confidence level for the 4.2-day orbital period indicated by spectroscopic measurements. This $\Delta$K corresponds to an upper limit in the companion M$_K$ of 7.30, in turn implying a main-sequence companion mass less than 0.22 M$_{\sun}$.
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