The frequency of snowline-region planets from four-years of OGLE-MOA-Wise second-generation microlensing.

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Title

The frequency of snowline-region planets from four-years of OGLE-MOA-Wise second-generation microlensing.

Content partner

The University of Auckland Library

Collection

ResearchSpace@Auckland

Description

We present a statistical analysis of the first four seasons from a "second-generation" microlensing survey for extrasolar planets, consisting of near-continuous time coverage of 8 deg2 of the Galactic bulge by the OGLE, MOA, and Wise microlensing surveys. During this period, 224 microlensing events were observed by all three groups. Over 12% of the events showed a deviation from single-lens microlensing, and for ~1/3 of those the anomaly is likely caused by a planetary companion. For each of ...

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Format

Research paper

Research format

Journal article

Date created

2016-04

Creator

Shvartzvald, Y / Maoz, D / Udalski, A / Sumi, T / Friedmann, M / Kaspi, S / Poleski, R / Szymański, MK / Skowron, J / Kozłowski, S / Wyrzykowski, L / Mróz, P / Pietrukowicz, P / Pietrzyński, G / Soszyński, I / Ulaczyk, K / Abe, F / Barry, RK / Bennett, DP / Bhattacharya, A / Bond, IA / Freeman, M / Inayama, K / Itow, Y / Koshimoto, N / Ling, CH / Masuda, K / Fukui, A / Matsubara, Y / Muraki, Y / Ohnishi, K / Rattenbury, NJ / Saito, To / Sullivan, DJ / Suzuki, D / Tristram, PJ / Wakiyama, Y / Yonehara, A

URL

https://hdl.handle.net/2292/63425

Related subjects

Galaxy: stellar content / binaries: general / gravitational lensing: micro / planetary systems / surveys / Science & Technology / Physical Sciences / Astronomy & Astrophysics / GRAVITATIONAL LENSING EXPERIMENT / BROWN DWARF DESERT / EXTRASOLAR PLANETS / GALACTIC BULGE / MASS / EVENTS / SYSTEMS / STARS / MOA-2011-BLG-293LB / MULTIPLICITY / astro-ph.EP / 0201 Astronomical and Space Sciences

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