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Ionization states and cooling efficiencies
We present new computations of the equilibrium and nonequilibrium cooling efficiencies and ionization states for low-density radiatively cooling gas containing the elements H,... -
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... -
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... -
Oscillator strength ref. for Indus_0 & Indus_13
The recently discovered Indus stellar stream exhibits a diverse chemical signature compared to what is found for most other streams due to the abundances of two outlier stars,... -
IR high-res. sp. of hot cores of AFGL2591 & AFGL2136
We have performed a high-resolution 4-13{mu}m spectral survey of the hot molecular gas associated with the massive protostars AFGL 2591 and AFGL 2136, utilizing the Echelon... -
Properties of atomic lines in 51 Oph UV spectra
We measured 304 absorption features in the ultraviolet and visible spectra of the star 51 Oph, which is known to have a debris disk with a high inclination. We analyzed the... -
ALMA obs. of star-forming regions toward NGC6334I
The relative column densities of the structural isomers methyl formate, glycolaldehyde, and acetic acid are derived for a dozen positions toward the massive star-forming regions... -
Observed transitions of CH_3_OH and CH_3_CHO
IRAM 30m Observations toward eight protostellar outflow sources were taken in the 96-176GHz range. Transitions of CH_3_OH and CH_3_CHO were detected in seven of them. The... -
Magnetic field measurements of Ap/Bp stars
We report on magnetic field measurements of 157 chemically peculiar A/B stars (Ap/Bp) based on resolved, magnetically split absorption lines present in H-band spectra provided... -
Cosmic-ray nuclei studies with Voyager, ACE & AMS-02
The acceleration of cosmic-ray particles and their propagation in the Milky Way and the heliosphere tangle with each other, leading to complexity and degeneracy of the modeling... -
A^1^{Pi}-X^1^{Sigma}^+^ transitions of CO study
Highly correlated ab initio calculations were performed for an accurate determination of the A^1^{Pi}-X^1^{Sigma}^+^ system of the CO molecule. A highly accurate multi-reference... -
Transition frequencies of ethanimine (CH_3_CHNH)
Ethanimine, a possible precursor of amino acids, is considered an important prebiotic molecule and thus may play important roles in the formation of biological building blocks... -
Theoretical charge exchange X-ray cross sections
The fundamental collisional process of charge exchange (CX) has been established as a primary source of X-ray emission from the heliosphere, planetary exospheres, and supernova... -
CH_3_OCH_2_OH ALMA detection in NGC 6334I
We report the detection of interstellar methoxymethanol (CH_3_OCH_2_OH) in Atacama Large Millimeter/submillimeter Array (ALMA) Bands 6 and 7 toward the MM1 core in the high-mass... -
Inelastic calcium-hydrogen collision data
Inelastic cross sections and rate coefficients in Ca+H and Ca^+^+H^-^ collisions for all transitions between the 17 lowest covalent states plus one ionic molecular state are... -
L-edge single and multiple photoionization of Fe+
Absolute cross-sections for m-fold photoionization (m=1, ..., 6) of Fe+ by a single photon were measured employing the photon-ion merged-beams setup PIPE at the PETRA III... -
X-ray line ratios for diverse ion collisions
Charge exchange (CX) has emerged in X-ray emission modeling as a significant process that must be considered in many astrophysical environments- particularly comets. Comets host... -
Rotational frequencies of TiO isotopologues
Pure rotational spectra of the rare isotopologues of titanium oxide, ^46^TiO, ^47^TiO, ^49^TiO, and ^50^TiO, have been recorded using a combination of Fourier transform... -
Cross sections produced by ^3^He reactions
The ^3^He abundance in impulsive solar energetic particle (SEP) events is enhanced up to several orders of magnitude compared to its photospheric value of [^3^He]/[^4^He] = 1-3... -
Rotational spectrum of vinyl formate (CH_2_=CHOCHO)
Previous detections of methyl and ethyl formate make other small substituted formates potential candidates for observation in the interstellar medium. Among them, vinyl formate...