A Jovian-Mass Planet in Microlensing Event OGLE-2005-BLG-071 | Zendy

A. Udalski | Zendy; M. Jaroszyński | Zendy; B. Paczyński | Zendy; M. Kubiak | Zendy; M. K. Szymański | Zendy; I. Soszyński | Zendy; G. Pietrzyński | Zendy; K. Ulaczyk | Zendy; O. Szewczyk | Zendy; Ł. Wyrzykowski | Zendy; G. W. Christie | Zendy; D. L. DePoy | Zendy; Subo Dong | Zendy; A. GalYam | Zendy; B. Scott Gaudi | Zendy; Andrew Gould | Zendy; Cheongho Han | Zendy; Sébastien Lépine | Zendy; J. McCormick | Zendy; B.-G. Park | Zendy; Richard W. Pogge | Zendy; D. P. Bennett | Zendy; I. A. Bond | Zendy; Y. Muraki | Zendy; P. J. Tristram | Zendy; P. C. M. Yock | Zendy; JeanPhilippe Beaulieu | Zendy; D. M. Bramich | Zendy; Stefan Dieters | Zendy; J. Greenhill | Zendy; K. Hill | Zendy; K. Horne | Zendy; D. Kubas | Zendy

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A Jovian-Mass Planet in Microlensing Event OGLE-2005-BLG-071

Author(s) -

A. Udalski,

M. Jaroszyński,

B. Paczyński,

M. Kubiak,

M. K. Szymański,

I. Soszyński,

G. Pietrzyński,

K. Ulaczyk,

O. Szewczyk,

Ł. Wyrzykowski,

G. W. Christie,

D. L. DePoy,

Subo Dong,

A. GalYam,

B. Scott Gaudi,

Andrew Gould,

Cheongho Han,

Sébastien Lépine,

J. McCormick,

B.-G. Park,

Richard W. Pogge,

D. P. Bennett,

I. A. Bond,

Y. Muraki,

P. J. Tristram,

P. C. M. Yock,

JeanPhilippe Beaulieu,

D. M. Bramich,

Stefan Dieters,

J. Greenhill,

K. Hill,

K. Horne,

D. Kubas

Publication year - 2005

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 - 10.1086/432795

Subject(s) - gravitational microlensing , physics , planet , light curve , photometry (optics) , jovian , astrophysics , mass ratio , astronomy , planetary system , event (particle physics) , planetary mass , jupiter mass , stars , saturn

We report the discovery of a several-Jupiter mass planetary companion to theprimary lens star in microlensing event OGLE-2005-BLG-071. Precise (<1%)photometry at the peak of the event yields an extremely high signal-to-noiseratio detection of a deviation from the light curve expected from an isolatedlens. The planetary character of this deviation is easily and unambiguouslydiscernible from the gross features of the light curve. Detailed modelingyields a tightly-constrained planet-star mass ratio of q=m_p/M=0.0071+/-0.0003.This is the second robust detection of a planet with microlensing,demonstrating that the technique itself is viable and that planets are not rarein the systems probed by microlensing, which typically lie several kpc towardthe Galactic center.Comment: 4 pages. Minor changes. Accepted for publication in ApJ Letter

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