Results 71 to 80 of about 3,453 (176)
Interstellar fullerene compounds and diffuse interstellar bands
, 2016 International audienceRecently, the presence of fullerenes in the interstellar medium (ISM) has been confirmed and new findings suggest that these fullerenes may possibly form from polycyclic aromatic hydrocarbons (PAHs) in the ISM.
Alain Omont, Omont, Alain
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Changes in interstellar atomic abundances from the galactic plane to the halo
, 1982 A few, specially selected interstellar absorption lines were measured in the high resolution, far ultraviolet spectra of 200 O and B type stars observed by the International Ultraviolet Explorer (IUE).
Jenkins, E. B.
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The interstellar chemistry of H2C3O isomers
, 2016 International audienceWe present the detection of two H2C3O isomers, propynal and cyclopropenone, toward various starless cores and molecular clouds, together with upper limits for the third isomer propadienone.
Gerin, Maryvonne, +16 more
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Interstellar Abundances Toward X Per, Revisited
, 2014 The nearby X-ray binary X Per (HD 24534) provides a useful beacon with which to measure elemental abundances in the local ISM. We examine absorption features of 0, Mg, and Si along this line of sight using spectra from the Chandra Observatory's LETG ...
Valencic, Lynne A., Smith, Randall K.
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Simulating molecular cloud regulated star formation in Galaxies [PDF]
, 2007 This thesis is primarily concerned with understanding the process of galaxy formation via the simulation of the interstellar medium, star formation and supernova feedback.
Booth, Craig Martin
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Interstellar Abundance of the Hydrogen Molecule.
The Astronomical Journal, 1962 Abstract : Contents: Mechanisms for the formulation of molecular hydrogen Dissociative processes for a static interstellar medium Dissociative effects of clouds motions Summary Appendix A: Photodissociation and photoionization Appendix B: Velocity distribution of H I clouds Appendix C: Stromgren spheres Appendix D: Problem in Brownian ...
openaire +1 more source
On the Abundance of Interstellar Beryllium.
The Astrophysical Journal, 1955 Lyman, Jr. Spitzer, George B. Field
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The interstellar abundance of titanium.
The Astrophysical Journal, 1974 G. Wallerstein, D. Goldsmith
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The Composition of the Diffuse Interstellar Medium
, 1996 Recent GHRS measurements of Si, S, Cr, Mn, Fe, and Zn in interstellar clouds along lines of sight in the Galactic disk and into the lower halo are discussed.
Edward L. Fitzpatrick
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Observational constraints on the formation of interstellar methanol
, 2008 The processes by which methanol, one of the most abundant interstellar organics, is formed in the interstellar medium are not yet accurately known. Pure gas-phase chemistry models fail to reproduce observed abundances by orders of magnitude, pointing to ...
Geppert, W. +7 more
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