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Pregled bibliografske jedinice broj: 487629

Časopis

Autori: Hwang, K.-H.; ...; Dominis Prester, Dijana; ...; Pogge, R. W.
Naslov: OGLE-2005-BLG-153 : Microlensing Discovery and Characterization of a Very Low Mass Binary
Izvornik: The Astrophysical journal (0004-637X) 723 (2010); 797-802
Vrsta rada: članak
Ključne riječi: binaries: general; gravitational lensing: micro
Sažetak:
The mass function and statistics of binaries provide important diagnostics of the star formation process. Despite this importance, the mass function at low masses remains poorly known due to observational difficulties caused by the faintness of the objects. Here we report the microlensing discovery and characterization of a binary lens composed of very low mass stars just above the hydrogen-burning limit. From the combined measurements of the Einstein radius and microlens parallax, we measure the masses of the binary components of 0.10 ± 0.01 M sun and 0.09 ± 0.01 M sun. This discovery demonstrates that microlensing will provide a method to measure the mass function of all Galactic populations of very low mass binaries that is independent of the biases caused by the luminosity of the population.
Projekt / tema: 316-0000000-2824
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Fizika
URL Internet adrese: http://adsabs.harvard.edu/abs/2010ApJ...723..797H
Broj citata:
Altmetric:
DOI: 10.1088/0004-637X/723/1/797
URL cjelovitog teksta:
Google Scholar: OGLE-2005-BLG-153 : Microlensing Discovery and Characterization of a Very Low Mass Binary
Upisao u CROSBI: dijana@uniri.hr (dijana@uniri.hr), 22. Lis. 2010. u 11:50 sati



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