OGLE-2013-BLG-0911Lb: A Secondary on the Brown-dwarf Planet Boundary around an M Dwarf

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Title

OGLE-2013-BLG-0911Lb: A Secondary on the Brown-dwarf Planet Boundary around an M Dwarf

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The University of Auckland Library

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ResearchSpace@Auckland

Description

We present the analysis of the binary-lens microlensing event OGLE-2013-BLG-0911. The best-fit solutions indicate the binary mass ratio of q ? 0.03, which differs from that reported in Shvartzvald et al. The event suffers from the well-known close/wide degeneracy, resulting in two groups of solutions for the projected separation normalized by the Einstein radius of s ? 0.15 or s ? 7. The finite source and the parallax observations allow us to measure the lens physical parameters. The lens sys...

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Format

Research paper

Research format

Journal article

Date created

2020-02-01

Creator

Miyazaki, Shota / Sumi, Takahiro / Bennett, David P / Udalski, Andrzej / Shvartzvald, Yossi / Street, Rachel / Bozza, Valerio / Yee, Jennifer C / Bond, Ian A / Rattenbury, Nicholas / Koshimoto, Naoki / Suzuki, Daisuke / Fukui, Akihiko / Abe, F / Bhattacharya, A / Barry, R / Donachie, M / Fujii, H / Hirao, Y / Itow, Y / Kamei, Y / Kondo, I / Li, MCA / Ling, CH / Matsubara, Y / Matsuo, T / Muraki, Y / Nagakane, M / Ohnishi, K / Ranc, C / Saito, T / Sharan, A / Shibai, H / Suematsu, H / Sullivan, DJ / Tristram, PJ / Yamakawa, T / Yonehara, A / Skowron, J / Poleski, R / Mróz, P / Szymański, MK / Soszyński, I / Pietrukowicz, P / KozŁowski, S / Ulaczyk, K / Wyrzykowski, Ł / Friedmann, Matan / Kaspi, Shai / Maoz, Dan / Albrow, M / Christie, G / DePoy, DL / Gal-Yam, A / Gould, A / Lee, C-U / Manulis, I / McCormick, J / Natusch, T / Ngan, H / Pogge, RW / Porritt, I / Tsapras, Y / Bachelet, E / Hundertmark, MPG / Dominik, M / Bramich, DM / Cassan, A / Jaimes, R Figuera / Horne, K / Schmidt, R / Snodgrass, C / Wambsganss, J / Steele, IA / Menzies, J / Mao, S / Jørgensen, UG / Burgdorf, MJ / Ciceri, S / Novati, S Calchi / D’Ago, G / Evans, DF / Hinse, TC / Kains, N / Kerins, E / Korhonen, H / Mancini, L / Popovas, A / Rabus, M / Rahvar, S / Scarpetta, G / Skottfelt, J / Southworth, J / Peixinho, N / Verma, P

URL

https://hdl.handle.net/2292/63115

Related subjects

Science & Technology / Physical Sciences / Astronomy & Astrophysics / Gravitational microlensing / Exoplanet astronomy / Brown dwarfs / Exoplanet systems / Exoplanets / Extrasolar gas giants / Exoplanet detection methods / M dwarf stars / MICROLENSING LIGHT CURVES / DIFFERENCE IMAGE-ANALYSIS / LOW-MASS STARS / GALACTIC BULGE / OPTICAL DEPTH / BINARY-SOURCE / PHOTOMETRY / EVOLUTION / EVENTS / SEARCH / astro-ph.EP / astro-ph.GA / astro-ph.SR / 0201 Astronomical and Space Sciences

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