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Constraining the vertical structure of the Milky Way rotationby microlensing in a finite-width global disk model

Constraining the vertical structure of the Milky Way ...

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dc.contributor.author Jałocha, Joanna pl
dc.contributor.author Sikora, Szymon [SAP14012983] pl
dc.contributor.author Bratek, Łukasz pl
dc.contributor.author Kutschera, Marek [SAP11116629] pl
dc.date.accessioned 2015-03-19T14:47:21Z
dc.date.available 2015-03-19T14:47:21Z
dc.date.issued 2014 pl
dc.identifier.issn 0004-6361 pl
dc.identifier.uri http://ruj.uj.edu.pl/xmlui/handle/item/3997
dc.language eng pl
dc.title Constraining the vertical structure of the Milky Way rotationby microlensing in a finite-width global disk model pl
dc.type JournalArticle pl
dc.abstract.en We model the vertical structure of mass distribution of the Milky Way galaxy in the framework of a finite-width global disk model. Assuming only the Galactic rotation curve, we tested the predictions of the model inside the solar orbit for two measurable processes that are unrelated to each other: the gravitational microlensing that allows one to fix the disk width-scale by the best fit to measurements, and the vertical gradient of rotation modeled in the quasi-circular orbits approximation. The former is sensitive to the gravitating mass in compact objects, the latter to all kinds of gravitating matter. The analysis points to a small width-scale of the considered disks and an at-most insignificant contribution of non-baryonic dark matter in the solar circle. The predicted high vertical gradient values in the rotation are consistent with the gradient measurements. pl
dc.subject.en gravitational lensing: micro pl
dc.subject.en galaxy: disk pl
dc.subject.en galaxy: kinematics and dynamics pl
dc.subject.en galaxy: structure pl
dc.description.volume 566 pl
dc.identifier.doi 10.1051/0004-6361/201322919 pl
dc.identifier.eissn 1432-0746 pl
dc.title.journal Astronomy & Astrophysics pl
dc.language.container eng pl
dc.affiliation Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego pl
dc.affiliation Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut – Obserwatorium Astronomiczne pl
dc.subtype Article pl
dc.identifier.articleid A87 pl
dc.rights.original OTHER; otwarte czasopismo; ostateczna wersja wydawcy; po opublikowaniu; 12 pl
.pointsMNiSW [2014 A]: 35


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