THE FIRST SIMULTANEOUS MICROLENSING OBSERVATIONS BY TWO SPACE TELESCOPES: SPITZER AND SWIFT REVEAL A BROWN DWARF IN EVENT OGLE-2015-BLG-1319

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Title

THE FIRST SIMULTANEOUS MICROLENSING OBSERVATIONS BY TWO SPACE TELESCOPES: SPITZER AND SWIFT REVEAL A BROWN DWARF IN EVENT OGLE-2015-BLG-1319

Content partner

The University of Auckland Library

Collection

ResearchSpace@Auckland

Description

Simultaneous observations of microlensing events from multiple locations allow for the breaking of degeneracies between the physical properties of the lensing system, specifically by exploring different regions of the lens plane and by directly measuring the "microlens parallax." We report the discovery of a 30-65M J brown dwarf orbiting a K dwarf in the microlensing event OGLE-2015-BLG-1319. The system is located at a distance of ∼5 kpc toward the Galactic Bulge. The event was observed by se...

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Format

Research paper

Research format

Journal article

Date created

2016-11-10

Creator

Shvartzvald, Y / Li, Z / Udalski, A / Gould, A / Sumi, T / Street, RA / Novati, S Calchi / Hundertmark, M / Bozza, V / Beichman, C / Bryden, G / Carey, S / Drummond, J / Fausnaugh, M / Gaudi, BS / Henderson, CB / Tan, TG / Wibking, B / Pogge, RW / Yee, JC / Zhu, W / Tsapras, Y / Bachelet, E / Dominik, M / Bramich, DM / Cassan, A / Jaimes, R Figuera / Horne, K / Ranc, C / Schmidt, R / Snodgrass, C / Wambsganss, J / Steele, IA / Menzies, J / Mao, S / Poleski, R / Pawlak, M / Szymański, MK / Skowron, J / Mróz, P / Kozłowski, S / Wyrzykowski, Ł / Pietrukowicz, P / Soszyński, I / Ulaczyk, K / Abe, F / Asakura, Y / Barry, RK / Bennett, DP / Bhattacharya, A / Bond, IA / Freeman, M / Hirao, Y / Itow, Y / Koshimoto, N / Li, MCA / Ling, CH / Masuda, K / Fukui, A / Matsubara, Y / Muraki, Y / Nagakane, M / Nishioka, T / Ohnishi, K / Oyokawa, H / Rattenbury, NJ / Saito, To / Sharan, A / Sullivan, DJ / Suzuki, D / Tristram, PJ / Yonehara, A / Jørgensen, UG / Burgdorf, MJ / Ciceri, S / 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 / Sbarufatti, B / Kennea, JA / Gehrels, N

URL

https://hdl.handle.net/2292/63221

Related subjects

Science & Technology / Physical Sciences / Astronomy & Astrophysics / binaries: general / brown dwarfs / Galaxy: bulge / gravitational lensing: micro / PARALLAX SATELLITE MASS / GRAVITATIONAL LENS / GALACTIC BULGE / PLANET SENSITIVITY / OGLE-III / STARS / PHOTOMETRY / SYSTEMS / LIGHT / MILKY / astro-ph.EP / 0201 Astronomical and Space Sciences / 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics / 0306 Physical Chemistry (incl. Structural)

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