SIMBAD references

2020AJ....159..261P - Astron. J., 159, 261-261 (2020/June-0)

A wide-orbit exoplanet OGLE-2012-BLG-0838Lb.

POLESKI R., SUZUKI D., UDALSKI A., XIE X., YEE J.C., KOSHIMOTO N., GAUDI B.S., GOULD A., SKOWRON J., SZYMANSKI M.K., SOSZYNSKI I., PIETRUKOWICZ P., KOZLOWSKI S., WYRZYKOWSKI L., ULACZYK K., ABE F., BARRY R.K., BENNETT D.P., BHATTACHARYA A., BOND I.A., DONACHIE M., FUJII H., FUKUI A., ITOW Y., HIRAO Y., KAMEI Y., KONDO I., LI M.C.A., MATSUBARA Y., MIYAZAKI S., MURAKI Y., NAGAKANE M., RANC C., RATTENBURY N.J., SATOH Y.K., SHOJI H., SUEMATSU H., SULLIVAN D.J., SUMI T., TRISTRAM P.J., YAMAKAWA T., YAMAWAKI T., YONEHARA A., HAN C., DONG S., MORZINSKI K.M., MALES J.R., CLOSE L.M., POGGE R.W., BEAULIEU J.-P. and MARQUETTE J.-B.

Abstract (from CDS):

We present the discovery of a planet on a very wide orbit in the microlensing event OGLE-2012-BLG-0838. The signal of the planet is well separated from the main peak of the event and the planet-star projected separation is found to be twice the Einstein ring radius, which corresponds to a projected separation of ≃4 au. Similar planets around low-mass stars are very hard to find using any technique other than microlensing. We discuss microlensing model fitting in detail and discuss the prospects for measuring the mass and distance of the lens system directly.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Gravitational microlensing - Exoplanet detection methods - Extrasolar ice giants

VizieR on-line data: <Available at CDS (J/AJ/159/261): figure1.dat>

Simbad objects: 17

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