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Назив: Influence of microlensing on spectral anomalies of the lensed objects
Аутори: Simić, Saša
Popović L.
Jovanovic, Predrag
Датум издавања: 2011
Сажетак: Here we consider the influence of microlensing on the spectrum of a lensed object with the angular size 5 μas accepting that the composite emission of this object originates from three different regions arranged around its center. We assume that the lensed object has three concentric regions with a black-body emission; the temperatures of these regions are 10000 K, 7500 K and 5000 K. We investigate how the integral spectral energy distribution (SED) of such stratified source changes due to microlensing by a group of solarmass stars. We find that the SED and flux ratios in the photometric B, V and R passbands show considerable changes during a microlens event. This indicates that the flux anomaly observed in some lensed quasars may be caused by microlensing of a stratified object.
URI: https://scidar.kg.ac.rs/handle/123456789/9909
Тип: conferenceObject
DOI: 10.1515/astro-2017-0324
ISSN: 1392-0049
SCOPUS: 2-s2.0-84055207493
Налази се у колекцијама:Faculty of Science, Kragujevac

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