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Absorption coefficient of polystyrene
The surfaces of airless bodies in the Solar System are continuously altered by the bombardment of micrometeoroids and irradiation by solar wind, flares, and cosmic particles.... -
IRON project. LXVIII
A new R-matrix scattering calculation for electron collisional excitation of Fe XI is presented and compared to earlier calculations. The calculation includes 145 LS terms and... -
Neutron-induced astrophysical reaction rates
Neutron-induced reaction rates, including fission, are calculated in the temperature range 10^8^<=T(K)<=10^10^ within the framework of the statistical model for targets... -
Effective collision strengths of Ni II
Considerable demand exists for electron excitation data for Ni II, since lines from this abundant ion are observed in a wide variety of laboratory and astrophysical spectra. The... -
Fe XIII electron impact excitation
A new R-matrix calculation of rate coefficients for electron collisional excitation of Fe XIII is presented and compared to recent calculations of comparable complexity. At... -
Transitions of CrII
To measure transition probabilities for CrII transitions from the z^4^H_J_, z^2^D_J_, y^4^F_J_ and y^4^G_J_ levels in the energy range 63000 to 68000cm^-1^. Radiative lifetimes... -
Effective collision strengths for K II
Oscillator strengths and electron impact excitation collision strengths for transitions between the 43 fine-structure levels of the 3p^6^, 3p^5^ 4s, 3p^5^ 3d, 3p^5^ 4p, 3p^5^ 4d... -
SiVI atomic data and broadening effect
Energy levels, electric dipole transition probabilities and oscillator strengths in five times ionized silicon have been calculated in intermediate coupling. The present... -
SiII Radiative transition rates
This work reports on radiative transition rates and electron impact excitation collision strengths for levels of the 3s^2^3p, 3s3p^2^, 3s^2^4s, and 3s^2^3d configurations of Si... -
Line list of HD 143418
HD 143418 was discovered recently to be a double-lined spectroscopic binary with a primary designated as a CP star. Its light displays an orbital phase coupled variability with... -
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... -
Dimethyl ether laboratory spectra up to 2.1THz
Dimethyl ether (CH_3_OCH_3_) is one of the largest organic molecules detected in the interstellar medium. As an asymmetric top molecule with two methyl groups which undergo... -
Equivalent widths of Li, Na, Fe, Ca in NGC 6397
To alleviate the discrepancy between the prediction of the primordial lithium abundance in the universe and the abundances observed in Pop II dwarfs and subgiant stars, it has... -
Neutral Li in late-type stars non-LTE calculations
We perform non-LTE calculations of lithium in late-type stars for a wide range of stellar parameters, including quantum mechanical cross-sections for collisions with neutral... -
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...
