Showing 101 - 120 results of 149 for search '"stellar atmosphere"', query time: 0.42s Refine Results
  1. 101

    Modeling of the Continuous Absorption of Electromagnetic Radiation in Dense Hydrogen Plasma by Mihajlov A. A., Sakan N. M., Srećković V. A., Vitel Y.

    Published 2011-12-01
    “…The results can be applied to the plasma of partially ionized layers of stellar atmospheres.…”
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    Article
  2. 102

    2D MODELLING OF THE GAS FLOW STRUCTURE IN THE SYMBIOTIC STAR Z ANDROMEDAE by E. Yu. Kilpio

    Published 2017-04-01
    “…Since the mechanisms of gas acceleration in stellar atmospheres are not well studied, the parametric representation of gas accelerating force was used. …”
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    Article
  3. 103

    DV AQUARII REVISITED by G. Polubek

    Published 2017-04-01
    “…Roche geometry of the binary system is assumed and a grid of the newest Kurucz models of stellar atmospheres is used in the calculations.…”
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    Article
  4. 104

    Automated stellar spectra parameterisation for Gaia-RVS by Wyse R.F.G., Gilmore G., Hill V., Bijaoui A., de Laverny P., Recio-Blanco A., Kordopatis G., Ordenovic C.

    Published 2012-02-01
    “…Degeneracies in the stellar atmospheric parameters can pollute large spectroscopic surveys, introducing possible biases in the derived distances, kinematics and chemical abundances. …”
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    Article
  5. 105

    NLTE CALCULATION FOR O II by S. A. Korotin

    Published 2017-03-01
    “…One result of our calculations is a number of useful relationships between the NLTE oxygen abundance, line equivalent width, and stellar atmospheric parameters.…”
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    Article
  6. 106

    Stark Broadening of Zn III Spectral Lines by Milan S. Dimitrijević, Magdalena D. Christova

    Published 2022-08-01
    “…The obtained results have been used for the investigation of the influence of Stark broadening on Zn III spectral lines in stellar atmospheres and for the considerations of Stark width similarites within supermultiplets and transition arrays.…”
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    Article
  7. 107

    Stark Widths of Ar II Spectral Lines in the Atmospheres of Subdwarf B Stars by Rafik Hamdi, Nabil Ben Nessib, Sylvie Sahal Bréchot, Milan S. Dimitrijević

    Published 2017-09-01
    “…Ar II spectral lines are observed in many kinds of stellar atmospheres such as the atmospheres of B-Type stars and subdwarf B stars. …”
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    Article
  8. 108

    THE EFFECTIVE TEMPERATURE DETERMINATION OF O-B STARS BY H AND He RADIO RECOMBINATION LINES OBSERVATIONS by A. P. Tsivilev

    Published 2017-07-01
    “…Then, comparing this ratio with a prediction of model stellar atmospheres, the effective temperature and other stellar parameters are determined. …”
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    Article
  9. 109

    Directly Deriving Parameters from SDSS Photometric Images by Fan Wu, Yude Bu, Mengmeng Zhang, Zhenping Yi, Meng Liu, Xiaoming Kong

    Published 2023-01-01
    “…Stellar atmospheric parameters (effective temperature, surface gravity, and metallicity) are fundamental for understanding the formation and evolution of stars and galaxies. …”
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    Article
  10. 110

    LINE FORMATION IN SPECTRA OF X-RAY NOVAE by V. F. Suleimanov, V. V. Shimansky

    Published 2017-08-01
    “…Local (for given radius) disk atmospheres as model stellar atmospheres, heated due to external X-ray radiation are treated. …”
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    Article
  11. 111

    Stark Broadening of Several Ne II, Ne III and O III Spectral Lines for the Stark-B Database by Dimitrijević Milan S., Kovačević Andjelka, Simić Zoran, Sahal-Bréchot Sylvie

    Published 2011-12-01
    “…In order to complete Stark broadening data for Ne II and O III lines, needed for analysis of stellar atmospheres, we determined the missing parameters for the broadening by collisions with protons and ionized helium for 15 Ne II and 5 O III multiplets. …”
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    Article
  12. 112

    Understanding Sun-as-a-Star Variability of Solar Balmer Lines by S. Criscuoli, S. Marchenko, M. DeLand, D. Choudhary, G. Kopp

    Published 2023-01-01
    “…Precise, high-cadence, long-term records of stellar spectral variability at different temporal scales lead to better understanding of a wide variety of phenomena including stellar atmospheres and dynamos, convective motions, and rotational periods. …”
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    Article
  13. 113

    AGB Stars and Their Circumstellar Envelopes: An Operative Approach to Computing Their Atmospheres by Lucio Crivellari, Sergio Cristallo, Luciano Piersanti

    Published 2021-09-01
    “…In this paper, we present an iterative sequential procedure, operative and physically sound, tailored to compute extended stellar atmospheres. It will constitute the backbone of the in fieri TEIDE package to be implemented into our VULCAN code. …”
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    Article
  14. 114

    FBILI method for the two-level atom line formation in media with low velocity fields by Pirković I., Atanacković O.

    Published 2014-01-01
    “…In order to test the accuracy and the convergence properties of the method we solved several astrophysically important benchmark problems of the NLTE line formation: in a plan-parallel differentially expanding medium of finite thickness, and in spherically symmetric stellar atmospheres, both static and expanding. We compared our solutions with those obtained by other authors using different numerical methods. …”
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  15. 115

    ON THE GF-VALUES FOR SOME DIATOMIC MOLECULAR SPECTRA by L. A. Kuznetsova, A. V. Shavrina

    Published 2017-08-01
    “…In view of rich structure of the energy levels and the variety of transition types which are observable, molecules are the useful tool for investigation of physical parameters of stellar atmospheres, interstellar and circumstellar matter. such as gas  density, its temperature, chemical and isotopic composition, ionization degree, radiation field density, kinematics, etc. …”
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  16. 116

    Atomic diffusion in the atmosphere of Feige 86 by Németh Péter

    Published 2017-12-01
    “…Therefore, to advance our general understanding of diffusion in stellar atmospheres we urge for new ultraviolet spectroscopy of Feige 86 at the highest possible resolution with HST/STIS.…”
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    Article
  17. 117

    Comparisons and Comments on Electron and Ion Impact Profiles of Spectral Lines by Sahal-Bréchot Sylvie, Dimitrijević Milan S., Nessib Nebil Ben

    Published 2011-12-01
    “…We also provide fitting formulae which are essential for the modeling codes of stellar atmospheres and envelopes.…”
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    Article
  18. 118

    Stark broadening parameter tables for Ne II and Ne III spectral lines by Dimitrijević M.S.

    Published 2001-01-01
    “…Perturbers selected here, are the main perturbers in solar and stellar atmospheres.…”
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    Article
  19. 119

    A New Analysis of Stark and Zeeman Effects on Hydrogen Lines in Magnetized DA White Dwarfs by Ny Kieu, Joël Rosato, Roland Stamm, Jelena Kovačević-Dojcinović, Milan S. Dimitrijević, Luka Č. Popović, Zoran Simić

    Published 2017-11-01
    “…We perform new calculations in conditions relevant to magnetized DA stellar atmospheres using models inspired from magnetic fusion plasma spectroscopy. …”
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    Article
  20. 120

    SPECTRAL INVESTIGATIONS OF CM DRA by M. K. Kuznetsov, Y. V. Pavlenko, D. Pinfield, H. Jones

    Published 2010-11-01
    “…We refined the parameters (effective temperature, rotational velocity and metallicity) of the components of the system CM Dra using the method of stellar atmospheres. The data that we obtained are in good agreement with the results obtained by other authors. …”
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    Article