Search Results - "Charnley, S. B"
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Gas Sources from the Coma and Nucleus of Comet 46P/Wirtanen Observed Using ALMA
Published in The Astrophysical journal (01-08-2023)“…Gas-phase molecules in cometary atmospheres (comae) originate primarily from (1) outgassing by the nucleus, (2) sublimation of icy grains in the near-nucleus…”
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Unusually High CO Abundance of the First Active Interstellar Comet
Published in Nature astronomy (01-09-2020)“…Comets spend most of their lives at large distances from any star, during which time their interior compositions remain relatively unaltered. Cometary…”
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Revised models of interstellar nitrogen isotopic fractionation
Published in Monthly notices of the Royal Astronomical Society (01-03-2018)Get full text
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Author's Reply to Comment by Greaves et al. on “Phosphine in the Venusian Atmosphere: A Strict Upper Limit From SOFIA GREAT Observations”
Published in Geophysical research letters (16-12-2023)“…In an attempt to understand the findings presented in the Comment by Greaves et al. (2023, https://doi.org/10.1029/2023GL103539), we followed their data…”
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Nitrogen Isotopic Fractionation of Interstellar Nitriles
Published in The Astrophysical journal (20-12-2008)“…In light of recent measurement of nitrogen isotope ratios in CN and HCN in several comets, and the correlation between super(15)N excess and the presence of…”
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The Composition of the Protosolar Disk and the Formation Conditions for Comets
Published in Space science reviews (01-12-2015)“…Conditions in the protosolar nebula have left their mark in the composition of cometary volatiles, thought to be some of the most pristine material in the…”
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ON THE UBIQUITY OF MOLECULAR ANIONS IN THE DENSE INTERSTELLAR MEDIUM
Published in The Astrophysical journal (10-06-2013)“…Results are presented from a survey for molecular anions in seven nearby Galactic star-forming cores and molecular clouds. The hydrocarbon anion C sub(6)H- is…”
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ON THE NATURE OF THE ENIGMATIC OBJECT IRAS 19312+1950: A RARE PHASE OF MASSIVE STAR FORMATION?
Published in The Astrophysical journal (01-09-2016)“…ABSTRACT IRAS 19312+1950 is a peculiar object that has eluded firm characterization since its discovery, with combined maser properties similar to an evolved…”
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The End of Interstellar Chemistry as the Origin of Nitrogen in Comets and Meteorites
Published in The Astrophysical journal (20-04-2002)Get full text
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Chemical Evolution in Protostellar Envelopes: Cocoon Chemistry
Published in The Astrophysical journal (01-03-2003)Get full text
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Interstellar Reservoirs of Cometary Matter
Published in Space science reviews (01-07-2008)“…We review the evidence for the products of interstellar chemistry in volatile cometary matter. We compare the organic inventory of star-forming cores with that…”
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Journal Article Conference Proceeding -
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Sulfuretted Molecules in Hot Cores
Published in The Astrophysical journal (20-05-1997)Get full text
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Stochastic Theory of Molecule Formation on Dust
Published in The Astrophysical journal (20-11-2001)Get full text
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Chemical Differentiation in Regions of Massive Star Formation
Published in The Astrophysical journal (01-01-2001)“…We have reexamined the origin of the apparent differentiation between nitrogen-bearing molecules and complex oxygen-bearing molecules that is observed in hot…”
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Hydrogen Isocyanide in Comet 73P/Schwassmann-Wachmann (Fragment B)
Published in The Astrophysical journal (01-03-2008)“…We present a sensitive 3 capital sigma upper limit of 1.1% for the HNC/HCN abundance ratio in comet 73P/Schwassmann-Wachmann (fragment B), obtained on 2006 May…”
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On the Formation of Interstellar Water Ice: Constraints from a Search for Hydrogen Peroxide Ice in Molecular Clouds
Published in The Astrophysical journal (20-12-2011)“…Recent surface chemistry experiments have shown that the hydrogenation of molecular oxygen on interstellar dust grains is a plausible formation mechanism, via…”
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Revised Models of Interstellar Nitrogen Isotopic Fractionation
Published in Monthly notices of the Royal Astronomical Society (01-03-2018)“…Nitrogen-bearing molecules in cold molecular clouds exhibit a range of isotopic fractionation ratios and these molecules may be the precursors of 15N…”
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Neutral–neutral synthesis of organic molecules in cometary comae
Published in Monthly notices of the Royal Astronomical Society (01-07-2021)“…Remote and in situ observations of cometary gases have revealed the presence of a wealth of complex organic molecules, including carbon chains, alcohols,…”
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Deuterated Methanol in the Orion Compact Ridge
Published in The Astrophysical journal (20-06-1997)Get full text
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Measuring molecular abundances in comet C/2014 Q2 (Lovejoy) using the APEX telescope
Published in Monthly notices of the Royal Astronomical Society (11-02-2018)Get full text
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