Abstract
view Abstract Citations (20) References (24) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The Ultraviolet Spectrum of Annealed Hydrogenated Amorphous Carbon Grains Blanco, A. ; Bussoletti, E. ; Colangeli, L. ; Fonti, S. ; Mennella, V. ; Stephens, J. R. Abstract UV spectra of annealed grains produced in a hydrogen-rich atmosphere are reported. The laboratory results support the hypothesis that the interstellar 2175-A feature is due to the extinction produced by amorphous carbon grains dehydrogenated via UV irradiation. Extinction spectra of carbon grains produced in an H2 atmosphere before and after annealing for 14 hr at 400 C are illustrated. Publication: The Astrophysical Journal Pub Date: April 1993 DOI: 10.1086/172485 Bibcode: 1993ApJ...406..739B Keywords: Amorphous Materials; Annealing; Carbon; Interstellar Extinction; Interstellar Matter; Ultraviolet Spectra; Cosmic Dust; Dehydrogenation; Astrophysics; ISM: DUST; EXTINCTION; LINE: IDENTIFICATION; MOLECULAR PROCESSES; ULTRAVIOLET: INTERSTELLAR full text sources ADS |
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