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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... -
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... -
Oxygen recombination lines from Cas A knots
Fast-moving knots (FMK) in the Galactic supernova remnant Cassiopeia A consist mainly of metals and allow us to study element production in supernovae and to investigate shock... -
Fe XXVI radiative and excitation rates
In this paper we report on calculations for energy levels, radiative rates, collision strengths, and effective collision strengths for transitions among the lowest 25 levels of... -
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... -
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... -
Ar XVIII radiative and excitation rates
In this paper we report on calculations for energy levels, radiative rates, collision strengths, and effective collision strengths for transitions among the lowest 25 levels of... -
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... -
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... -
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... -
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... -
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... -
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... -
Deuterated and ^15^N ethyl cyanides
Ethyl cyanide is an abundant molecule in hot molecular clouds. Its rotational spectrum is very dense and several hundreds of rotational transitions within the ground state have... -
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... -
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... -
Low temperature Rosseland opacities
We provide low temperature opacity data that incorporate varied abundances of the elements carbon and nitrogen. In the temperature range that we focus at, molecules are the... -
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... -
Rotational spectrum of HCOO^13^CH_3_
Laboratory measurements and analysis of the microwave and millimeter-wave spectra of potential interstellar molecules are a prerequisite for their subsequent identification by...
