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CrVIII radiative and excitation rates
In this paper we report on calculations of energy levels, radiative rates, oscillator strengths, line strengths, and effective collision strengths for transitions among the... -
Stark broadening of He447.1nm line
Stark broadening of the 447.1nm line of neutral helium in a weakly coupled plasma has been studied. This spectral line has a very close forbidden component. This means it is... -
Na-like iso-electronic sequence
We present our calculated data including energy levels, radiative decay rates and effective collision strengths for all the transitions among the 32 fine-structure levels... -
Electron-impact excitation of ArIII
Emission from Ar III is seen in planetary nebulae, in H II regions, and from laboratory plasmas. The analysis of such spectra requires accurate electron impact excitation data.... -
Effective collision strength of Mg V
Electron-impact excitation collision strengths are required for the analysis and interpretation of stellar observations. This calculation aims to provide effective collision... -
Effective collision strength of Mg IX
Electron impact excitation collision strengths are required for analysing and interpreting stellar observations. This calculation aims to provide fine-structure effective... -
Rotational excitation of formaldehyde by H2
Rate coefficients for the rotational excitation of the ten lowest levels of ortho-H_2_CO by collisions with H_2_ molecules are computed for kinetic temperatures in the range... -
Rest frequencies for C3O
The submillimetre-wave spectrum of C3O (X^1^{Sigma}^+^) has been investigated in the laboratory using a source-modulation microwave spectrometer equipped with a gas-phase flow... -
Collisional excitation of water in warm media
The interpretation of water line emission from infrared and submillimetre observations requires a detailed knowledge of collisional rate coefficients over a wide range of levels... -
OVII radiative and excitation rates
In this paper we report calculations for energy levels, radiative rates, and electron impact excitation rates for transitions in OVII. The GRASP (general-purpose relativistic... -
Atomic Data from the Iron Project LXVI. Fe^18+^
Accurate electron collisional data are required for the analysis of the Fe XIX astrophysical spectrum, in particular in the Sun. Such an analysis can provide information on the... -
NiXIX effective collision strengths
In this paper we report electron impact collision strengths and excitation rates for transitions among the lowest 89 levels of NiXIX. The Dirac atomic R-matrix code (DARC) is... -
Ni XXV energy levels and radiative rates
We report calculations of energy levels and radiative rates for 1300 fine-structure levels generated from 189 configurations of Be-like Nickel. The General Purpose Relativistic... -
Improved predictions of nuclear reaction rates
Nuclear reaction rates of astrophysical applications are traditionally determined on the basis of Hauser-Feshbach reaction codes. These codes adopt a number of approximations... -
Effective collision strengths for C II
Oscillator strengths and electron impact excitation collision strengths for CII lines among the fine-structure levels are calculated. Thermally averaged collision strengths are... -
O IV radiative and excitation rates
In this paper we report calculations for energy levels, radiative rates, and excitation rates for transitions in O IV. The GRASP (general-purpose relativistic atomic structure... -
Extended analysis of the Eu III spectrum
We create an Eu III new atomic data set for interpreting the spectra of chemically peculiar stars by an extended analysis of the doubly-ionized europium. We classified Eu III... -
Fine structure forbidden lines in FeII
Absorption or emission lines of Fe II are observed in many astrophysical spectra and accurate atomic data are required to interpret these lines. The calculation of... -
NiXI radiative and excitation rates
In this paper we report calculations for energy levels, radiative rates and excitation rates for transitions in NiXI. The GRASP (General-purpose Relativistic Atomic Structure... -
Energy levels and radiative rates in Co XI
In this paper we report calculations for energy levels and radiative rates for transitions in Co XI. The General purpose Relativistic Atomic Structure Package GRASP and the...
