Results 231 to 240 of about 1,884 (262)

The Impact of Extended CO₂ Cross Sections on Temperate Anoxic Planet Atmospheres. [PDF]

Astrophys J
Broussard W, Schwieterman EW, Sousa-Silva C, Sanger-Johnson G, Ranjan S, Venot O.   +5 more
europepmc   +1 more source

Atomic diffusion and mixing in old stars - VIII. Chemical abundance variations in the globular cluster M4 (NGC 6121). [PDF]

Mon Not R Astron Soc
Nordlander T, Gruyters P, Richard O, Korn AJ.   +3 more
europepmc   +1 more source

Rotational Characterization of Four-Ring Polycyclic Aromatic Hydrocarbons: Toward the Detection of Fluoranthene and Cyanofluoranthene in Space. [PDF]

J Phys Chem Lett
Villar-Castro D, Cabezas C, Steber AL, Morán JR, de la Fuente S, Hussain FS, Pérez D, Lesarri A, Cernicharo J, Pérez C, Peña I.   +10 more
europepmc   +1 more source

V3101 Cyg: A Cataclysmic Variable Born with a Brown Dwarf Donor

Ramirez S, Gänsicke B, Sahu S, Belloni D, Pala A, Koester D, Toloza O, Lagos-Vilches F.   +7 more
europepmc   +1 more source

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Diquark abundance in stellar matter

Physical Review D, 1992
The clustering of quarks into pairs (diquarks) has been suggested recently to play an important role in dense matter and its astrophysical realization in neutron-star cores. We address in this work the features of diquark matter by employing an accurate equation of state valid for the effective {lambda}{phi}{sup 4} diquark theory, and find milder ...
, Horvath, , de Freitas Pacheco JA, , de Araújo JC   +2 more
openaire   +2 more sources

Stellar Abundances and the Origin of the Elements

Science, 1969
exaly   +2 more sources

Stellar and Solar Abundances

Space Science Reviews, 1973
Recent spectroscopic results on stellar and solar abundances are reviewed with special reference to (a) Standard abundance distribution (Sun, hot stars, diffuse nebulae); (b) Abundance peculiarities related to stellar evolution (red giants showing results of H-burning and s-process, peculiar and metallic-lined stars); and (c) Population effects that ...
openaire   +1 more source

Stellar chemical abundances with the GHRS

Physica Scripta, 1996
The accurate quantitative analysis of high resolution ultraviolet spectra of ultra-sharp-lined early-type, chemically peculiar stars, obtained with the Goddard High Resolution spectrograph on the Hubble Space Telescope, has been made possible by the synergism between state-of-the-art astro-physics and state-of-the-art atomic spectroscopy. We illustrate
David S Leckrone, Sveneric Johansson, Glenn M Wahlgren, Charles R Proffitt, Tomas Brage   +4 more
openaire   +1 more source

Nucleosynthesis and future stellar abundance determinations

EAS Publications Series, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
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Element Abundances in Stellar Coronae

1996
About two years ago, the intrigue of the solar “FIP Effect”—that coronal abundances of elements with a low FIP (≲ 10 eV; e.g Fe, Mg, Si, Ca) are observed to be enhanced relative to those of high FIP elements (≳ 10 eV; e.g. O, Ne, S; see e.g. the review by Meyer 1993)—prompted us to study stellar coronal abundances based on new EUV spectra obtained with
J. J. Drake, J. M. Laming, K. G. Widing
openaire   +1 more source