Sign on

SAO/NASA ADS Astronomy Abstract Service


· Find Similar Abstracts (with default settings below)
· Full Refereed Journal Article (PDF/Postscript)
· Full Refereed Scanned Article (GIF)
· References in the article
· Citations to the Article (81) (Citation History)
· Refereed Citations to the Article
· Also-Read Articles (Reads History)
·
· Translate This Page
Title:
Polycyclic aromatic hydrocarbons in the atmospheres of Titan and Jupiter
Authors:
Sagan, Carl; Khare, B. N.; Thompson, W. R.; McDonald, G. D.; Wing, Michael R.; Bada, Jeffrey L.; Vo-Dinh, Tuan; Arakawa, E. T.
Affiliation:
AA(Cornell Univ., Ithaca, NY), AB(Cornell Univ., Ithaca, NY), AC(Cornell Univ., Ithaca, NY), AD(Cornell Univ., Ithaca, NY), AE(Scripps Institution of Oceanography, La Jolla, CA), AF(Scripps Institution of Oceanography, La Jolla, CA), AG(Oak Ridge National Lab., TN), AH(Oak Ridge National Lab., TN)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 414, no. 1, p. 399-405. (ApJ Homepage)
Publication Date:
09/1993
Category:
Lunar and Planetary Exploration
Origin:
STI
NASA/STI Keywords:
Aromatic Compounds, Cyclic Hydrocarbons, Jupiter Atmosphere, Satellite Atmospheres, Titan, Abundance, Carbonaceous Chondrites, Interstellar Matter
DOI:
10.1086/173086
Bibliographic Code:
1993ApJ...414..399S

Abstract

PAHs are important components of the interstellar medium and carbonaceous chondrites, but have never been identified in the reducing atmospheres of the outer solar system. Incompletely characterized complex organic solids (tholins) produced by irradiating simulated Titan atmospheres reproduce well the observed UV/visible/IR optical constants of the Titan stratospheric haze. Titan tholin and a tholin generated in a crude simulation of the atmosphere of Jupiter are examined by two-step laser desorption/multiphoton ionization mass spectrometry. A range of two- to four-ring PAHs, some with one to four alkylation sites, are identified, with a net abundance of about 0.0001 g/g (grams per gram) of tholins produced. Synchronous fluorescence techniques confirm this detection. Titan tholins have proportionately more one- and two-ring PAHs than do Jupiter tholins, which in turn have more four-ring and larger PAHs. The four-ringed PAH chrysene, prominent in some discussions of interstellar grains, is found in Jupiter tholins.

Printing Options

Print whole paper
Print Page(s) through

Return 600 dpi PDF to Acrobat/Browser. Different resolutions (200 or 600 dpi), formats (Postscript, PDF, etc), page sizes (US Letter, European A4, etc), and compression (gzip,compress,none) can be set through the Printing Preferences



More Article Retrieval Options

HELP for Article Retrieval


Bibtex entry for this abstract   Preferred format for this abstract (see Preferences)


Find Similar Abstracts:

Use: Authors
Title
Keywords (in text query field)
Abstract Text
Return: Query Results Return    items starting with number
Query Form
Database: Astronomy
Physics
arXiv e-prints