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R-matrix electron-impact excitation of Fe^13+^
Accurate excitation parameters are required to interpret the ultraviolet and X-ray spectra of Fe^13+^. In this work, we use the autostructure code to describe the atomic... -
Breit-Pauli transition probabilities for SII
New improved calculations are reported for transition probabilities and electron impact excitation collision strengths for the astrophysically important lines in SII. The... -
N K-shell photoabsorption
Reliable atomic data have been computed for the spectral modeling of the nitrogen K lines, which may lead to useful astrophysical diagnostics. Data sets comprise valence and... -
Transition probabilities for HfII and Hf
Radiative lifetimes from laser-induced fluorescence measurements, accurate to ~+/-5%, are reported for 41 odd-parity levels of HfII (Z=72). The lifetimes are combined with... -
Plasma Recombination rate coefficients
Reliably interpreting spectra from electron-ionized cosmic plasmas requires accurate ionization balance calculations for the plasma in question. However, much of the atomic data... -
Radiative recombination data for plasmas
We have calculated partial final-state resolved radiative recombination (RR) rate coefficients from the initial ground and metastable levels of all elements up to and including... -
Na IX-X & Mg X-XI recombination rate coefficients
Detailed study on the inverse processes of photoionization and electron-ion recombination for NaIX+h{nu}<->NaX+e, NaX+h{nu}<->NaXI+e, MgX+h{nu}<->Mg{nu}+e, and... -
Laboratory transition probabilities for Gd II
Radiative lifetimes, accurate to +/-5%, have been measured for 49 even-parity and 14 odd-parity levels of GdII using laser-induced fluorescence. The lifetimes are combined with... -
mm/sbmm spectrum of iso-propanol
Iso-propanol [(CH_3_)_2_CHOH], an isomer of n-propanol, has been studied in the millimeter- and submillimeter-wave region of the electromagnetic spectrum with our FASSST... -
OIV Effective collision strength
Electron collision excitation strengths and rates for infrared and ultraviolet lines arising from transitions between the fine-structure levels of the 2s^2^2p, 2s2p^2^, 2p^3^,... -
New relativistic atomic data for Fe IX
A large-scale configuration interaction (CI) calculation using Program CIV3 of Hibbert is performed for the lowest 87 fine-structure levels of argon-like iron ions. We have... -
Oscillator and collision strengths in NI
The nonorthogonal orbitals technique in a multiconfiguration Hartree-Fock approach is used to calculate oscillator strengths and transition probabilities of NI lines. -
MAST STScI TESS Input Catalog TAP service
The TESS Input Catalog is a comprehensive collection of 1.73 billion sources on the sky, providing stellar parameters for evaluation of potential planetary transit signals. It... -
n-propanol transition frequencies
As part of our continuing spectroscopic program of measuring the rotational spectra of large gas-phase molecules that may exist in observable quantities in the interstellar... -
Transition probabilities for SmII
Radiative lifetimes, accurate to +/-5%, have been measured for 212 odd-parity levels of SmII using laser-induced fluorescence. The lifetimes are combined with branching... -
MAST STScI Hubble Source Catalog Version 3 (HSCv3) TAP service
The MAST Archive at STScI TAP end point for the Hubble Source Catalog, version 3.1. The Hubble Source Catalog (HSC) is designed to optimize science from the Hubble Space... -
Transitions in L-shell ions of Fe and Ni
Using a combined configuration interaction and many-body perturbation theory approach, we calculate the level energies of 1s^2^2l^q^ and 1s^2^2l^q-1^3l' (1<=q<=8)... -
Digitized First Byurakan Survey (DFBS) Spectra Query Service
The First Byurakan Survey (FBS) is the largest and the first systematic objective prism survey of the extragalactic sky. It covers 17,000 sq.deg. in the Northern sky together... -
Digitized First Byurakan Survey (DFBS) Plate Scans
First Byurakan survey plate scan service -
PADC TAP Server on voparis-tap-astro.obspm.fr TAP service
The PADC TAP Server on voparis-tap-astro.obspm.fr's TAP end point. The Table Access Protocol (TAP) lets you execute queries against our database tables, inspect various...
