2011
DOI: 10.1051/0004-6361/201015900
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Influence of the velocity gradient on the line formation in discs of cataclysmic variables

Abstract: Context. The velocity field gradient in the radiative transfer in disc models of cataclysmic variables (CVs) is usually neglected; however, the geometry of the system and the value of Keplerian velocity suggest that it can be important for high inclination angles. Aims. We investigate the influence of the Keplerian velocity gradient on the line formation in CV discs. Methods. The vertical structure of the disc was determined using the NLTE accretion disc code AcDc, where the hydrostatic equation, the energy ba… Show more

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“…We try to include the 2D nature and non-LTE effects in order to evaluate the influence of the rotation velocity gradient on the line formation. A detailed discussion of our results can be found in Korčáková et al (2011).…”
Section: Introductionmentioning
confidence: 96%
“…We try to include the 2D nature and non-LTE effects in order to evaluate the influence of the rotation velocity gradient on the line formation. A detailed discussion of our results can be found in Korčáková et al (2011).…”
Section: Introductionmentioning
confidence: 96%
“…This task is our ultimate goal. Our time-dependent hydrodynamical code (Votruba et al 2007), which is now extended into 2D, gives the temperature and density distributions and velocity of the material for the 2D radiative transfer code (Korčáková & Kubát 2005;Korčáková et al 2011). However, this is a long-term project complicated the role of different physical effects in the formation of the B[e] phenomenon remaining unclear.…”
Section: Introductionmentioning
confidence: 99%