Results 31 to 40 of about 584,976 (219)

Interstellar processes: Ortho/para conversion, radiative association, and dissociative recombination

open access: yesEPJ Web of Conferences, 2015
The study of the ortho-to-para ratio of assorted gas-phase interstellar molecules such as H2, H2O, NH3, and H2O+ has gained interest in recent years, based partially on new spectral observations of light hydrides by the Herschel Space Observatory ...
Herbst Eric
doaj   +1 more source

CLOUD STRUCTURE OF INTERSTELLAR MATTER. OBSERVATIONAL PARAMETERS

open access: yesOdessa Astronomical Publications, 2017
Parameters of 7600 HI clouds were determined on the base of HI RATAN-600 Survey in the second and third quadrants of galactic longitudes. The spectra of cloud linear diameters, HI densities and masses are obtained first for such huge population of clouds.
I. V. Gosachinskij, V. V. Morozova
doaj   +1 more source

Complex Reactive Acids from Methanol and Carbon Dioxide Ice: Glycolic Acid (HOCH2COOH) and Carbonic Acid Monomethyl Ester (CH3OCOOH)

open access: yesThe Astrophysical Journal, 2023
The formation of complex organic molecules by simulated secondary electrons generated in the track of galactic cosmic rays was investigated in interstellar ice analogs composed of methanol and carbon dioxide.
Joshua H. Marks   +5 more
doaj   +1 more source

A study of C3HD in cold interstellar clouds

open access: yesThe Astrophysical Journal, 1988
The published version is located at http://adsabs.harvard.edu/doi/10.1086 ...
BELL, MB   +6 more
openaire   +2 more sources

Interstellar cloud collisions [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1985
On decrit les resultats d'une simulation numerique en 3 dimensions de nuages interstellaires isothermes en l'absence de champs magnetiques. Les collisions, en general, ne donnent pas naissance a un ou plusieurs nuages.
J. C. Lattanzio   +3 more
openaire   +1 more source

PECULIARITIES OF MIXING METALS IN INTERGALACTIC AND INTERSTELLAR MEDIA

open access: yesOdessa Astronomical Publications, 2008
We review the current status of the problem of metal mixing in the intergalactic and interstellar media. We give simple arguments for inefficiency of mixing metals because of a saturation of hydrodynamic (Rayleigh-Taylor and Kelvin-Helmholz ...
S. Yu. Dedikov   +2 more
doaj   +1 more source

Cloud Services Brokerage : a survey and research roadmap [PDF]

open access: yes, 2015
A Cloud Services Brokerage (CSB) acts as an intermediary between cloud service providers (e.g., Amazon and Google) and cloud service end users, providing a number of value adding services. CSBs as a research topic are in there infancy.
Barker, Adam David   +5 more
core   +1 more source

Molecular cloud structure in the star-forming region W43 [PDF]

open access: yes, 2013
In the struggle toward an understanding of the process of star formation it is one of the most important tasks to study the initial properties of the cold and dense interstellar medium. Stars are known to form in dense molecular clouds, but it is not yet
Carlhoff, Philipp Christoph
core   +1 more source

Discovery of the Elusive Carbonic Acid (HOCOOH) in Space

open access: yesThe Astrophysical Journal, 2023
A quarter century after the detection of the last interstellar carboxylic acid, acetic acid (CH _3 COOH), we report the discovery of a new one, the cis-trans form of carbonic acid (HOCOOH), toward the Galactic center molecular cloud G+0.693–0.027. HOCOOH
Miguel Sanz-Novo   +14 more
doaj   +1 more source

Diffuse Interstellar Clouds [PDF]

open access: yesHighlights of Astronomy, 1992
AbstractDiffuse clouds are interstellar objects through which starlight is not greatly extinguished. As a result, many studies rely on ultraviolet and visible measurements. The focus of this review is on spectroscopic work involving atomic and molecular lines. From these measurements, the physical and chemical makeup of the clouds is derived.
David L. Lambert, S. R. Federman
openaire   +1 more source

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