Limits on the Abundance of Galactic Planets From 5 Years of PLANET Observations | Zendy

Michael D. Albrow | Zendy; J. An | Zendy; JeanPhilippe Beaulieu | Zendy; J. Caldwell | Zendy; D. L. DePoy | Zendy; M. Dominik | Zendy; B. S. Gaudi | Zendy; Andrew Gould | Zendy; J. Greenhill | Zendy; K. Hill | Zendy; Stephen R. Kane | Zendy; Roland Martín | Zendy; J. W. Menzies | Zendy; R. M. Naber | Zendy; J. W. Pel | Zendy; R. W. Pogge | Zendy; K. R. Pollard | Zendy; P. D. Sackett | Zendy; K. C. Sahu | Zendy; P. Vermaak | Zendy; P. Vreeswijk | Zendy; R. Watson | Zendy; A. Williams | Zendy

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Limits on the Abundance of Galactic Planets From 5 Years of PLANET Observations

Author(s) -

Michael D. Albrow,

J. An,

JeanPhilippe Beaulieu,

J. Caldwell,

D. L. DePoy,

M. Dominik,

B. S. Gaudi,

Andrew Gould,

J. Greenhill,

K. Hill,

Stephen R. Kane,

Roland Martín,

J. W. Menzies,

R. M. Naber,

J. W. Pel,

R. W. Pogge,

K. R. Pollard,

P. D. Sackett,

K. C. Sahu,

P. Vermaak,

P. Vreeswijk,

R. Watson,

A. Williams

Publication year - 2001

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/323141

Subject(s) - planet , gravitational microlensing , physics , astronomy , astrophysics , exoplanet , population , stars , jupiter mass , planetary system , jupiter (rocket family) , planetary mass , outer planets , demography , sociology , space shuttle

We search for signatures of planets in 43 intensively monitored microlensingevents that were observed between 1995 and 1999. Planets would be expected tocause a short duration (~1 day) deviation on the smooth, symmetric light curveproduced by a single-lens. We find no such anomalies and infer that less than1/3 of the ~0.3 M_sun stars that typically comprise the lens population haveJupiter-mass companions with semi-major axes in the range of 1.5 AU

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