SIMBAD references

2013ApJ...763..141G - Astrophys. J., 763, 141 (2013/February-1)

MOA-2010-BLG-523: "Failed planet" = RS CVn star.

GOULD A., YEE J.C., BOND I.A., UDALSKI A., HAN C., JORGENSEN U.G., GREENHILL J., TSAPRAS Y., PINSONNEAULT M.H., BENSBY T., ALLEN W., ALMEIDA L.A., BOS M., CHRISTIE G.W., DEPOY D.L., DONG S., GAUDI B.S., HUNG L.-W., JABLONSKI F., LEE C.-U., McCORMICK J., MOORHOUSE D., MUNOZ J.A., NATUSCH T., NOLA M., POGGE R.W., SKOWRON J., THORNLEY G. (The {mu}FUN Collaboration), ABE F., BENNETT D.P., BOTZLER C.S., CHOTE P., FREEMAN M., FUKUI A., FURUSAWA K., HARRIS P., ITOW Y., LING C.H., MASUDA K., MATSUBARA Y., MIYAKE N., OHNISHI K., RATTENBURY N.J., SAITO TO., SULLIVAN D.J., SUMI T., SUZUKI D., SWEATMAN W.L., TRISTRAM P.J., WADA K., YOCK P.C.M. (The MOA Collaboration), SZYMANSKI M.K., SOSZYNSKI I., KUBIAK M., POLESKI R., ULACZYK K., PIETRZYNSKI G., WYRZYKOWSKI L. (The OGLE Collaboration), ALSUBAI K.A., BOZZA V., BROWNE P., BURGDORF M.J., CALCHI NOVATI S., DODDS P., DOMINIK M., FINET F., GERNER T., HARDIS S., HARPSOE K., HESSMAN F.V., HINSE T.C., HUNDERTMARK M., KAINS N., KERINS E., LIEBIG C., MANCINI L., MATHIASEN M., PENNY M.T., PROFT S., RAHVAR S., RICCI D., SAHU K.C., SCARPETTA G., SCHAFER S., SCHONEBECK F., SNODGRASS C., SOUTHWORTH J., SURDEJ J., WAMBSGANSS J. (The MiNDSTEp Consortium), STREET R.A., HORNE K., BRAMICH D.M., STEELE I.A. (The RoboNet Collaboration), ALBROW M.D., BACHELET E., BATISTA V., BEATTY T.G., BEAULIEU J.-P., BENNETT C.S., BOWENS-RUBIN R., BRILLANT S., CALDWELL J.A.R., CASSAN A., COLE A.A., CORRALES E., COUTURES C., DIETERS S., DOMINIS PRESTER D., DONATOWICZ J., FOUQUE P., HENDERSON C.B., KUBAS D., MARQUETTE J.-B., MARTIN R., MENZIES J.W., SHAPPEE B., WILLIAMS A., VAN SADERS J., ZUB M. (The PLANET Collaboration)

Abstract (from CDS):

The Galactic bulge source MOA-2010-BLG-523S exhibited short-term deviations from a standard microlensing light curve near the peak of an Amax∼ 265 high-magnification microlensing event. The deviations originally seemed consistent with expectations for a planetary companion to the principal lens. We combine long-term photometric monitoring with a previously published high-resolution spectrum taken near peak to demonstrate that this is an RS CVn variable, so that planetary microlensing is not required to explain the light-curve deviations. This is the first spectroscopically confirmed RS CVn star discovered in the Galactic bulge.

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Journal keyword(s): gravitational lensing: micro - planetary systems - starspots - stars: variables: general

Simbad objects: 12

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