MOA-2010-BLG-523: "failed planet" = RS CVn STAR
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Authors
Gould, A.
Yee, J.
Bond, I.
Udalski, A.
Han, C.
Jorgensen, U.
Greenhill, J.
Tsapras, Y.
Pinsonneault, M.
Bensby, T.
Allen, W.
Almeida, L.
Bos, M.
Christie, G.
DePoy, D.
Dong, S.
Gaudi, B.
Hung, L.
Jablonski, F.
Lee, C.
McCormick, J.
Moorhouse, D.
Munoz, J.
Natusch, T.
Nola, M.
Pogge, R.
Skowron, J.
Thornley, G.
Abe, F.
Bennett, D.
Botzler, C.
Chote, P.
Freeman, M.
Fukui, A.
Furusawa, K.
Harris, P.
Itow, Y.
Ling, C.
Masuda, K.
Matsubara, Y.
Miyake, N.
Ohnishi, K.
Rattenbury, N.
Saito, T.
Sullivan, D.
Sumi, T.
Suzuki, D.
Sweatman, W.
Tristram, P.
Wada, K.
Yock, P.
Szymanski, M.
Soszynski, I.
Kubiak, M.
Poleski, R.
Ulaczyk, K.
Pietrzynski, G.
Wyrzykowski, L.
Alsubai, K.
Bozza, V.
Browne, P.
Burgdorf, M.
Calchi Novati, S.
Dodds, P.
Dominik, M.
Finet, F.
Gerner, T.
Hardis, S.
Harpsoe, K.
Hessman, F.
Hinse, T.
Hundertmark, M.
Kains, N.
Kerins, E.
Liebig, C.
Mancini, L.
Mathiasen, M.
Penny, M.
Proft, S.
Rahvar, S.
Ricci, D.
Sahu, K.
Scarpetta, G.
Schafer, S.
Schonebeck, F.
Snodgrass, C.
Southworth, J.
Surdej, J.
Wambsganss, J.
Street, R.
Horne, K.
Bramich, D.
Steele, I.
Albrow, M.
Bachelet, E.
Batista, V.
Beatty, T.
Beaulieu, J.
Bennett, C.
Bowens-Rubin, R.
Brillant, S.
Caldwell, J.
Cassan, A.
Cole, A.
Corrales, E.
Coutures, C.
Dieters, S.
Dominis Prester, D.
Donatowicz, J.
Fouque, P.
Henderson, C.
Kubas, D.
Marquette, J.
Martin, R.
Menzies, J.
Shappee, B.
Williams, Andrew
van Saders, J.
Zub, M.
Date
2013Type
Journal Article
Metadata
Show full item recordAbstract
The Galactic bulge source MOA-2010-BLG-523S exhibited short-term deviations from a standard microlensing light curve near the peak of anAmax ~ 265 high-magnificationmicrolensing 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 firstspectroscopically confirmed RS CVn star discovered in the Galactic bulge.
Citation
Gould, A. and Yee, J. and Bond, I. and Udalski, A. and Han, C. and Jorgensen, U. and Greenhill, J. et al. 2013. MOA-2010-BLG-523: "failed planet" = RS CVn STAR. The Astrophysical Journal. 763.
Source Title
The Astrophysical Journal