785 datasets found

Keywords: Atomic physics

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  • ExoMol line list for KCl

    Accurate rotation-vibration line lists for two molecules, NaCl and KCl, in their ground electronic states are presented. These line lists are suitable for temperatures relevant...
  • FeI oscillator strengths for Gaia-ESO

    The Gaia-ESO Public Spectroscopic Survey (GES) is conducting a large-scale study of multi-element chemical abundances of some 100000 stars in the Milky Way with the ultimate aim...
  • ExoMol line list for HCN and HNC

    A revised rotation-vibration line list for the combined hydrogen cynanide (HCN)/hydrogen isocyanide (HNC) system is presented. The line list uses ab initio transition...
  • Electron impact for OV and OVI levels

    Radiative atomic and electron impact excitation data for OV and OVI ions have been calculated. The radiative atomic data have been calculated with the AUTOSTRUCTURE code....
  • ExoMol line lists for SiO

    Accurate rotation-vibration line lists are calculated for silicon monoxide. Line lists are presented for the main isotopologue, ^28^Si^16^O, and four monosubstituted...
  • ARGOS line list {lambda}8395-8830{AA}

    We describe the motivation, field locations and stellar selection for the Abundances and Radial velocity Galactic Origins Survey (ARGOS) spectroscopic survey of 28000 stars in...
  • NLTE corrections for Mg and Ca lines

    We investigate NLTE effects for magnesium and calcium in the atmospheres of late-type giant and supergiant stars. The aim of this paper is to provide a grid of NLTE/LTE...
  • Lyman and Werner molecular hydrogen transitions

    Molecular transitions recently discovered at redshift z_abs_=2.059 towards the bright background quasar J2123-0050 are analysed to limit cosmological variation in the...
  • 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...
  • S-like ions from Cr IX to Cu XIV transitions

    We present a consistent set of calculated energies and E1, M1, E2, M2 radiative transition data for the main n=3 levels from the 3s^2^3p^4^, 3p^6^, 3s3p^4^3d, 3s^2^3p^2^3d^2^,...
  • Spectroscopic accuracy for B-like ions with Z=24-30

    We report calculations of spectroscopic accuracy for 513 states in the B-like ions with Z=24-30. The energy levels and transition rates are calculated using the second-order...
  • 800-13000cm^-1^ wide range OI spectra

    Precision laboratory measurements are presented for 135 OI lines in the infrared (including 51 lines not measured previously in the laboratory) using time-resolved Fourier...
  • Line positions for TiO singlet states

    A consistent set of spectroscopic constants for the a^1^{Delta}, d^1^{Sigma}^+^, b^1^{Pi}, c^1^{Phi}, and f^1^{Delta} states of ^48^Ti^16^O has been determined from analysis of...
  • Energy levels & transition rates for P-like ions

    The fully relativistic multiconfiguration Dirac-Hartree-Fock method is used to compute excitation energies and lifetimes for the 143 lowest states of the 3s^2^3p^3^, 3s3p^4^,...
  • Be-like ions from BII to NeVII transition data

    Large-scale self-consistent multiconfiguration Dirac-Hartree-Fock (MCDHF) and relativistic configuration interaction (RCI) calculations are reported for the n<=6 levels in...
  • FeXIX-XXV recombination lines

    We present a systematic measurement of the X-ray emission asymmetries in the K-shell dielectronic, trielectronic, and quadruelectronic recombination of free electrons into...
  • Vanadium transitions in the spectrum of Arcturus

    We derive a new abundance for vanadium in the bright, mildly metal-poor red giant Arcturus. This star has an excellent high-resolution spectral atlas and well-understood...
  • Iso-propyl cyanide rotational study

    A detailed analysis of the rotational spectra of the interstellar iso-propyl cyanide has been carried out up to 480GHz using three different high-resolution spectroscopic...
  • ND_2_ rotational spectrum

    The deuteration mechanism of molecules in the interstellar medium is still being debated. Observations of deuterium-bearing species in several astronomical sources represent a...
  • Cyanoacetylene (HC_3_N) infrared spectrum

    HC_3_N is a ubiquitous molecule in interstellar environments, from external galaxies to Galactic interstellar clouds, star-forming regions, and planetary atmospheres....
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