The Microlensing Event Rate and Optical Depth from MOA-II 9 year Survey toward the Galactic Bulge

The Microlensing Event Rate and Optical Depth from MOA-II 9 year Survey toward the Galactic Bulge

We present measurements of the microlensing optical depth and event rate toward the Galactic bulge using the dataset from the 2006--2014 MOA-II survey, which covers 22 bulge fields spanning ~42 deg^2 between -5 deg < l < 10 deg and -7 deg < b < -1 deg. In the central region with |l|

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Bibliographische Detailangaben
Hauptverfasser: Nunota, Kansuke, Sumi, Takahiro, Koshimoto, Naoki, Rattenbury, Nicholas J, Abe, Fumio, Barry, Richard, Bennett, David P, Bhattacharya, Aparna, Fukui, Akihiko, Hamada, Ryusei, Hamada, Shunya, Hamasaki, Naoto, Hirao, Yuki, Silva, Stela Ishitani, Itow, Yoshitaka, Matsubara, Yutaka, Miyazaki, Shota, Muraki, Yasushi, Nagai, Tsutsumi, Olmschenk, Greg, Ranc, Clement, Satoh, Yuki K, Suzuki, Daisuke, Tristram, Paul J, Vandorou, Aikaterini, Yama, Hibiki
Format: Artikel
Sprache:eng
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Physics - Astrophysics of Galaxies
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Zusammenfassung:We present measurements of the microlensing optical depth and event rate toward the Galactic bulge using the dataset from the 2006--2014 MOA-II survey, which covers 22 bulge fields spanning ~42 deg^2 between -5 deg < l < 10 deg and -7 deg < b < -1 deg. In the central region with |l|
DOI:10.48550/arxiv.2410.23553