Title Radiative transfer problem in dusty galaxies: photometric effects of dusty spiral arms /
Another Title Radiacijos pernašos problema dulkėtose galaktikose: dulkėtų spiralinių vijų fotometriniai efektai.
Another Title Spinduliuotės pernešimo problema dulkėtose galaktikose: Galaktinio rūko mašina.
Authors Semionov, Dmitrijus ; Kodaira, Keiichi ; Stonkutė, Rima ; Vansevičius, Vladas
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Is Part of Baltic astronomy. 2006, Vol. 15, no. 4, p. 581-599.. ISSN 1392-0049
Keywords [eng] ISM ; Dust ; Extinction ; Spiral ; ISM ; Photometry
Abstract [eng] We study the effects of dusty spiral arms on the photometric properties of disk galaxies using a series of 2D radiative transfer models, approximating the arms with axially symmetrical rings. We find that dusty arms, as well as dusty disks, have a significant influence on the aperture photometry and surface brightness profiles altering colors of model galaxies. We suggest that, in addition to the conventionally modeled diffuse absorbing layers or disks, the dusty arms should be taken into account in spiral galaxy extinction studies.
Type Journal article
Language English
Publication date 2006