Results 1 to 10 of about 678,354 (195)
Broadened profiles of diffuse interstellar bands
Monthly Notices of the Royal Astronomical Society, 2021 ABSTRACT The paper describes profile broadening and peak wavelength variation of diffuse interstellar bands (DIBs) measured for 46 lines of sight, probably caused by the physical properties of intervening clouds. The full width at half-maximum of four studied DIBs (5780, 5797, 6196 and 6614 Å) demonstrates strong variability, sometimes ...
J Krełowski +5 more
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Diffuse interstellar bands: A comprehensive laboratory study [PDF]
Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2006 As a result of the search for the identity of the chromophores responsible for producing the diffuse interstellar bands, a comprehensive exposition of experimental data is presented, which implicates the following molecules- 1. The extremely stable organic molecules, magnesium tetrabenzoporphyrin (MgTBP) and H2TBP. 2.
Fred M Johnson
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On the discovery of the diffuse interstellar bands [PDF]
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2013 This contribution attempts to reconstruct the precise history of the discovery of one of astronomy's long-lasting enigmas, the so-called diffuse interstellar bands (DIBs). While systematic research into the DIBs was initiated by Merrill in 1936, the first pointers to abnormal features in the spectra of distant stars were published some 15 years earlier
Benjamin McCall
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Laboratory infrared spectra and fragmentation chemistry of sulfur allotropes [PDF]
Nature CommunicationsSulfur is one of six life-essential elements, but its path from interstellar clouds to planets and their atmospheres is not well known. Astronomical observations in dense clouds have so far been able to trace only 1 percent of cosmic sulfur, in the form ...
Piero Ferrari +4 more
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Diffuse Interstellar Bands in M33 [PDF]
Proceedings of the International Astronomical Union, 2013 AbstractWe present the first sample of diffuse interstellar bands (DIBs) in the nearby galaxy M33. Studying DIBs in other galaxies allows the behaviour of the carriers to be examined under interstellar conditions which can be quite different from those of the Milky Way, and to determine which DIB properties can be used as reliable probes of ...
Smith, Keith T. +4 more
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Diffuse Interstellar Bands [PDF]
Symposium - International Astronomical Union, 2000 The unidentified diffuse interstellar bands are observed in near-UV, visible and near-IR spectra recorded towards stars which are partially obscured by interstellar dust. Their origin is the longest standing problem in astronomical spectroscopy and dates back to the 1930s when systematic study of the bands first started.
P. J. Sarre, T. R. Kendall
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Mapping local interstellar medium with diffuse interstellar bands [PDF]
Monthly Notices of the Royal Astronomical Society, 2020 ABSTRACT With the use of the data from archives, we studied the correlations between the equivalent widths of four diffuse interstellar bands (4430, 5780, 5797, 6284 $\mathring{\rm A}$) and properties of the target stars (colour excess values, distances, and Galactic coordinates).
Ernst Paunzen, Martin Piecka
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Dust evolution, a global view: II. Top-down branching, nanoparticle fragmentation and the mystery of the diffuse interstellar band carriers [PDF]
Royal Society Open Science, 2016 The origin of the diffuse interstellar bands (DIBs), one of the longest-standing mysteries of the interstellar medium (ISM), is explored within the framework of The Heterogeneous dust Evolution Model for Interstellar Solids (THEMIS). The likely nature of
A. P. Jones
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The Astrophysical Journal, 2023 Diffuse interstellar bands (DIBs) are broad absorption features associated with interstellar dust and can serve as chemical and kinematic tracers.
Andrew K. Saydjari +4 more
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Synthesis and Spectroscopy of Buckminsterfullerene Cation
Crystals, 2021 The assignment of several diffuse interstellar bands in the near-infrared to C60+ ions present at high abundance in space has renewed interest in the astrochemical importance of fullerenes and analogues.
Ewen K. Campbell +2 more
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