Reanalyses of Anomalous Gravitational Microlensing Events in the OGLE-III Early Warning System Database with Combined Data
- Jeong, J.
- Park, H.
- Han, C.
- Gould, A.
- Udalski, A.
- Szymanski, M.
- Pietrzynski, G.
- Soszynski, I.
- Poleski, R.
- Ulaczyk, K.
- Wyrzykowski, L.
- Abe, F.
- Bennett, D.
- Bond, I.
- Botzler, C.
- Freeman, M.
- Fukui, A.
- Fukunaga, D.
- Itow, Y.
- Koshimoto, N.
- Masuda, K.
- Matsubara, Y.
- Muraki, Y.
- Namba, S.
- Ohnishi, K.
- Rattenbury, N.
- Saito, T.
- Sullivan, D.
- Sweatman, W.
- Sumi, T.
- Suzuki, D.
- Tristram, P.
- Tsurumi, N.
- Wada, K.
- Yamai, N.
- Yock, P.
- Yonehara, A.
- Albrow, M.
- Batista, V.
- Beaulieu, J.
- Caldwell, J.
- Cassan, A.
- Cole, A.
- Coutures, C.
- Dieters, S.
- Dominik, M.
- Prester, D.
- Donatowicz, J.
- Fouque, P.
- Greenhill, J.
- Hoffman, M.
- Huber, M.
- Jorgensen, U.
- Kane, S.
- Kubas, D.
- Martin, R.
- Marquette, J.
- Menzies, J.
- Pitrou, C.
- Pollard, K.
- Sahu, K.
- Vinter, C.
- Wambsganss, J.
- Williams, A.
- Allen, W.
- Bolt, G.
- Choi, J.
- Christie, G.
- DePoy, D.
- Drummond, J.
- Gaudi, B.
- Hwang, K.
- Jung, Y.
- Lee, C.
- Mallia, F.
- Maoz, D.
- Maury, A.
- McCormick, J.
- Monard, L.
- Moorhouse, D.
- Natusch, T.
- Ofek, E.
- Park, B.
- Pogge, R.
- Santallo, R.
- Shin, I.
- Thornley, G.
- Yee, J.
- Bramich, D.
- Burgdorf, M.
- Horne, K.
- Hundertmark, M.
- Kains, N.
- Snodgrass, C.
- Steele, I.
- Street, R.
- Tsapras, Y.
DOIAbstract
We reanalyze microlensing events in the published list of anomalous events that were observed from the Optical Gravitational Lensing Experiment (OGLE) lensing survey conducted during the 2004–2008 period. In order to check the existence of possible degenerate solutions and extract extra information, we conduct analyses based on combined data from other survey and follow-up observation and consider higher-order effects. Among the analyzed events, we present analyses of eight events for which either new solutions are identified or additional information is obtained. We find that the previous binary-source interpretations of five events are better interpreted by binary-lens models. These events include OGLE-2006-BLG-238, OGLE-2007-BLG-159, OGL...
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