The Spectral Line Evolution in a Semi-infinite Atmosphere with Local Time-dependent Energy Sources

Author:

Nikoghossian A.1

Affiliation:

1. NAS RA V.Ambartsumian Byurakan Astrophysical Observatory

Abstract

The time-dependent problem of spectral line formation in a one-dimensional semi-infinite scattering and absorbing atmosphere containing a local energy source radiating equally in both directions is considered. The energy release is assumed to be non-stationary and to be either δ(t)-shaped or of the unit jump form given by the Heaviside H(t) function. The main attention is paid to the temporal dependence of the observed line profiles on the depth of energy eruption in the atmosphere. The role of scattering in the continuous spectrum is emphasized.

Publisher

National Academy of Sciences of the Republic of Armenia

Subject

General Medicine,General Chemistry

Reference6 articles.

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. The Spectral Lines Evolution in the Presence of Time-Dependent Energy Sources;Communications of the Byurakan Astrophysical Observatory;2023-07-07

2. Evolution of spectral lines under time-dependent illumination of an absorbing and scattering atmosphere;Communications of the Byurakan Astrophysical Observatory;2022-12-29

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