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Electron impact excitation of NiII
We study the effects of using a 4d{bar} pseudo-orbital on the collision strengths for electron impact excitations of forbidden transitions in Ni II computed in the close... -
Electron impact excitation of Fe XVII
Energies of the lowest 157 levels belonging to the (1s^2^) 2s ^2^2p^6^, 2s ^2^2p ^5^3l, 2s ^2^2p ^5^4l, 2s ^2^2p ^5^5l, 2s2p ^6^3l, 2s2p ^6^4l and 2s2p ^6^5l configurations of... -
SnII Lifetimes and oscillator strengths
Oscillator strengths calculated for 101 lines of Sn II arising from auto-ionized levels are displayed in column three of Table A1, while columns one and two give the transitions... -
Fe X Benchmarking atomic data
This is the first in a series of papers in which we benchmark recent atomic data available for astrophysical applications. We review various issues related to the completeness... -
C_5_H_2_ Radiatively allowed transitions
Laboratory detection of four isomers of C_5_H_2_ molecule have been reported by Travers et al. (1997ApJ...483L.135T), McCarthy et al. (1997, Science, 275, 518), and Gottlieb et... -
Stark broadening of Si V
Using a semiclassical perturbation approach, we have obtained Stark broadening parameters for 16 Si V multiplets using atomic data calculated ab initio with the SUPERSTRUCTURE... -
Fe XIX transition probabilities
Energy levels and the corresponding transition probabilities as well oscillator strengths and line strengths for allowed (E1) and forbidden (E2, M1) transitions among the lowest... -
Stark broadening of Ga I spectral lines
Stark broadening of the 18 Ga I transitions has been analyzed within the framework of the semiclassical perturbation method. Results obtained have been compared with available... -
HC_5_N vibrationally excited states
The rotational spectrum of the semistable HC_5_N molecule has been investigated in the millimeter-wave region for eight excited bending states which lie below 500cm^-1^, namely... -
Oscillator strengths for ClII lines
Non-orthogonal orbitals technique in the multiconfiguration Hartree-Fock approach is used to calculate oscillator strengths and transition probabilities for allowed and... -
FeX E1, E2, M1 and M2 transitions
Energies of the 54 levels belonging to the (1s^2^2s^2^2p^6^) 3s^2^3p^5^, 3s3p^6^, 3s^2^3p^4^3d and 3s3p^5^3d configurations of FeX have been calculated using the GRASP code of... -
Rest frequencies of methanol maser lines
We report accurate laboratory measurements of selected methanol transition frequencies between 0.834 and 230GHz in order to facilitate astronomical velocity analyses. New data... -
Fe XIII effective collision strengths
Effective collision strengths for transitions among the lowest 97 fine-structure levels belonging to the (1s^2^2s^2^2p^6^) 3s^2^3p^2^, 3s3p^3^, 3s^2^3p3d, 3p^4^, 3s3p^2^3d and... -
Rotational excitation of HF in collision with He
We report Close Coupling calculations of the rotational transitions induced in collisions between HF molecules and He atoms. We consider transitions for levels up to J=9 and for... -
Atomic data from the IRON Project. LVI.
Collision strengths for electron induced transitions in the beryllium-like ion Fe^+22^ are calculated using the intermediate coupling frame transformation (ICFT) version of the... -
N II effective collision strengths
The effective collision strengths are presented in this table for all transitions among the lowest 41 fine-structure levels belonging to the 2s(2)2p(2), 2s2p(3) and... -
Analysis of inner solar corona in Extreme-UV
We present a study of the differential emission measure (DEM) of a `quiet Sun' area observed in the extreme ultraviolet at normal incidence by the Coronal Diagnostic... -
Fe XXIII Benchmarking
Recent scattering calculations for Fe XXIII are benchmarked against laboratory and astrophysical observations. The collisional data are supplemented by radiative data obtained... -
Electron impact excitation of Al XIII
Energy levels, radiative rates, collision strengths, and effective collision strengths for all transitions up to and including the n=5 levels of Al XIII have been computed in... -
Leiden Atomic and Molecular Database (LAMDA)
Atomic and molecular data for the transitions of a number of astrophysically interesting species are summarized, including energy levels, statistical weights, Einstein...
