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OGLE-2017-BLG-0406: Spitzer Microlens Parallax Reveals Saturn-mass Planet Orbiting M-dwarf Host in the Inner Galactic Disk

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cris.lastimport.scopus2024-02-12T19:46:59Z
dc.abstract.enWe report the discovery and analysis of the planetary microlensing event OGLE-2017-BLG-0406, which was observed both from the ground and by the Spitzer satellite in a solar orbit. At high magnification, the anomaly in the light curve was densely observed by ground-based-survey and follow-up groups, and it was found to be explained by a planetary lens with a planet/host mass ratio of $q=7.0\times {10}^{-4}$ from the light-curve modeling. The ground-only and Spitzer-only data each provide very strong one-dimensional (1D) constraints on the 2D microlens parallax vector ${{\boldsymbol{\pi }}}_{{\rm{E}}}$ . When combined, these yield a precise measurement of ${{\boldsymbol{\pi }}}_{{\rm{E}}}$ and of the masses of the host ${M}_{\mathrm{host}}=0.56\pm 0.07\,{M}_{\odot }$ and planet M<SUB>planet</SUB> = 0.41 ± 0.05 M<SUB>Jup</SUB>. The system lies at a distance D<SUB>L</SUB> = 5.2 ± 0.5 kpc from the Sun toward the Galactic bulge, and the host is more likely to be a disk population star according to the kinematics of the lens. The projected separation of the planet from the host is ${a}_{\perp }=3.5\pm 0.3\,\mathrm{au}$ (i.e., just over twice the snow line). The Galactic-disk kinematics are established in part from a precise measurement of the source proper motion based on OGLE-IV data. By contrast, the Gaia proper-motion measurement of the source suffers from a catastrophic 10σ error.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorUdalski, Andrzej
dc.contributor.authorSkowron, Jan
dc.contributor.authorPoleski, Radosław
dc.contributor.authorSzymański, Michał
dc.contributor.authorSoszyński, Igor
dc.contributor.authorKozłowski, Szymon
dc.contributor.authorPietrukowicz, Paweł
dc.contributor.authorHirao, Yuki
dc.contributor.authorBennett, David P.
dc.contributor.authorRyu, Yoon-Hyun
dc.contributor.authorKoshimoto, Naoki
dc.contributor.authorYee, Jennifer C.
dc.contributor.authorSumi, Takahiro
dc.contributor.authorBond, Ian A.
dc.contributor.authorShvartzvald, Yossi
dc.contributor.authorAbe, Fumio
dc.contributor.authorBarry, Richard K.
dc.contributor.authorBhattacharya, Aparna
dc.contributor.authorDonachie, Martin
dc.contributor.authorFukui, Akihiko
dc.contributor.authorItow, Yoshitaka
dc.contributor.authorKondo, Iona
dc.contributor.authorCheung, Alex Li Man
dc.contributor.authorMatsubara, Yutaka
dc.contributor.authorMatsuo, Taro
dc.contributor.authorMiyazaki, Shota
dc.contributor.authorMuraki, Yasushi
dc.contributor.authorNagakane, Masayuki
dc.contributor.authorRanc, Clément
dc.contributor.authorRattenbury, Nicholas J.
dc.contributor.authorSuematsu, Haruno
dc.contributor.authorShibai, Hiroshi
dc.contributor.authorSuzuki, Daisuke
dc.contributor.authorTristram, Paul J.
dc.contributor.authorYonehara, Atsunori
dc.contributor.authorMróz, Przemysław
dc.contributor.authorUlaczyk, Krzysztof
dc.contributor.authorRybicki, Krzysztof
dc.contributor.authorIwanek, Patryk
dc.contributor.authorAlbrow, Michael D.
dc.contributor.authorChung, Sun-Ju
dc.contributor.authorGould, Andrew
dc.contributor.authorHan, Cheongho
dc.contributor.authorHwang, Kyu-Ha
dc.contributor.authorJung, Youn Kil
dc.contributor.authorShin, In-Gu
dc.contributor.authorZang, Weicheng
dc.contributor.authorCha, Sang-Mok
dc.contributor.authorKim, Dong-Jin
dc.contributor.authorKim, Hyoun-Woo
dc.contributor.authorKim, Seung-Lee
dc.contributor.authorLee, Chung-Uk
dc.contributor.authorLee, Dong-Joo
dc.contributor.authorLee, Yongseok
dc.contributor.authorPark, Byeong-Gon
dc.contributor.authorPogge, Richard W.
dc.contributor.authorBeichman, Charles A.
dc.contributor.authorBryden, Geoffery
dc.contributor.authorNovati, Sebastiano Calchi
dc.contributor.authorCarey, Sean
dc.contributor.authorGaudi, B. Scott
dc.contributor.authorHenderson, Calen B.
dc.contributor.authorZhu, Wei
dc.contributor.authorBachelet, Etienne
dc.contributor.authorBolt, Greg
dc.contributor.authorChristie, Grant
dc.contributor.authorHundertmark, Markus
dc.contributor.authorNatusch, Tim
dc.contributor.authorMaoz, Dan
dc.contributor.authorMcCormick, Jennie
dc.contributor.authorStreet, Rachel A.
dc.contributor.authorTan, Thiam-Guan
dc.contributor.authorTsapras, Yiannis
dc.contributor.authorJørgensen, U. G.
dc.contributor.authorDominik, M.
dc.contributor.authorBozza, V.
dc.contributor.authorSkottfelt, J.
dc.contributor.authorSnodgrass, C.
dc.contributor.authorCiceri, S.
dc.contributor.authorJaimes, R. Figuera
dc.contributor.authorEvans, D. F.
dc.contributor.authorPeixinho, N.
dc.contributor.authorHinse, T. C.
dc.contributor.authorBurgdorf, M. J.
dc.contributor.authorSouthworth, J.
dc.contributor.authorRahvar, S.
dc.contributor.authorSajadian, S.
dc.contributor.authorRabus, M.
dc.contributor.authorEssen, C. von
dc.contributor.authorFujii, Y. I.
dc.contributor.authorCampbell-White, J.
dc.contributor.authorLowry, S.
dc.contributor.authorHelling, C.
dc.contributor.authorMancini, L.
dc.contributor.authorHaikala, L.
dc.contributor.authorKandori, Ryo
dc.date.accessioned2024-01-25T15:41:17Z
dc.date.available2024-01-25T15:41:17Z
dc.date.copyright2020-04-20
dc.date.issued2020
dc.description.accesstimeBEFORE_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.number2
dc.description.versionORIGINAL_AUTHOR
dc.description.volume160
dc.identifier.doi10.3847/1538-3881/AB9AC3
dc.identifier.issn0004-6256
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/114512
dc.identifier.weblinkhttp://adsabs.harvard.edu/abs/2020AJ....160...74H
dc.languageeng
dc.pbn.affiliationastronomy
dc.relation.ispartofAstronomical Journal
dc.relation.pages74
dc.rightsOther
dc.sciencecloudnosend
dc.titleOGLE-2017-BLG-0406: Spitzer Microlens Parallax Reveals Saturn-mass Planet Orbiting M-dwarf Host in the Inner Galactic Disk
dc.typeJournalArticle
dspace.entity.typePublication