Search Results - "Crockett, N. R"
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HERSCHEL OBSERVATIONS OF EXTRA-ORDINARY SOURCES: ANALYSIS OF THE HIFI 1.2 THz WIDE SPECTRAL SURVEY TOWARD ORION KL II. CHEMICAL IMPLICATIONS
Published in The Astrophysical journal (20-06-2015)“…We present chemical implications arising from spectral models fit to the Herschel/HIFI spectral survey toward the Orion Kleinmann-Low nebula (Orion KL). We…”
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A Direct Measurement of the Total Gas Column Density in Orion KL
Published in The Astrophysical journal (01-01-2012)“…The large number of high-J lines of C18O available via the Herschel Space Observatory provide an unprecedented ability to model the total CO column density in…”
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Neon and Oxygen Abundances in M33
Published in The Astrophysical journal (01-02-2006)“…We present new spectroscopic observations of 13 H II regions in the Local Group spiral galaxy M33. The regions observed range from 1 to 7 kpc in distance from…”
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HERSCHEL OBSERVATIONS OF EXTRA-ORDINARY SOURCES: H2S AS A PROBE OF DENSE GAS AND POSSIBLY HIDDEN LUMINOSITY TOWARD THE ORION KL HOT CORE
Published in The Astrophysical journal (01-02-2014)“…We present Herschel/HIFI observations of the light hydride H2S obtained from the full spectral scan of the Orion Kleinmann-Low nebula (Orion KL) taken as part…”
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HERSCHEL OBSERVATIONS OF EXTRAORDINARY SOURCES: ANALYSIS OF THE HIFI 1.2 THz WIDE SPECTRAL SURVEY TOWARD ORION KL II. CHEMICAL IMPLICATIONS Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA
Published in The Astrophysical journal (22-06-2015)“…ABSTRACT We present chemical implications arising from spectral models fit to the Herschel/HIFI spectral survey toward the Orion Kleinmann-Low nebula (Orion…”
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HERSCHEL OBSERVATIONS OF EXTRA-ORDINARY SOURCES: H sub(2)S AS A PROBE OF DENSE GAS AND POSSIBLY HIDDEN LUMINOSITY TOWARD THE ORION KL HOT CORE
Published in The Astrophysical journal (01-02-2014)“…We present Herschel/HIFI observations of the light hydride H sub(2)S obtained from the full spectral scan of the Orion Kleinmann-Low nebula (Orion KL) taken as…”
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Herschel observations of extra-ordinary sources: H{sub 2}S as a probe of dense gas and possibly hidden luminosity toward the Orion KL hot core
Published in The Astrophysical journal (01-02-2014)“…We present Herschel/HIFI observations of the light hydride H{sub 2}S obtained from the full spectral scan of the Orion Kleinmann-Low nebula (Orion KL) taken as…”
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Herschel observations of Extra-Ordinary Sources: H2S as a Probe of Dense Gas and Possibly Hidden Luminosity Toward the Orion KL Hot Core
Published 10-01-2014“…We present Herschel/HIFI observations of the light hydride H$_{2}$S obtained from the full spectral scan of the Orion Kleinmann-Low nebula (Orion KL) taken as…”
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A combined IRAM and Herschel/HIFI study of cyano(di)acetylene in Orion KL: tentative detection of DC3N
Published 02-09-2013“…We present a study of cyanoacetylene (HC3N) and cyanodiacetylene (HC5N) in Orion KL, through observations from two line surveys performed with the IRAM 30m…”
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Foci of mantle disturbance in southern Africa and their economic significance
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-08-1968)“…Zones of crustal weakness, representing foci of the mantle, have persisted for at least 2500 m.y., as shown by orogens and abundance of mafic igneous rocks…”
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A DIRECT MEASUREMENT OF THE TOTAL GAS COLUMN DENSITY IN ORION KL
Published in The Astrophysical journal (2011)Get full text
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HERSCHEL OBSERVATIONS OF EXTRA-ORDINARY SOURCES: H 2 S AS A PROBE OF DENSE GAS AND POSSIBLY HIDDEN LUMINOSITY TOWARD THE ORION KL HOT CORE
Published in The Astrophysical journal (15-01-2014)Get full text
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Herschel observations of Extra-Ordinary Sources: Methanol as a probe of physical conditions in Orion KL
Published 04-01-2011“…We have examined methanol emission from Orion KL with of the {\em Herschel}/HIFI instrument, and detected two methanol bands centered at 524 GHz and 1061 GHz…”
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Herschel observations of EXtra-Ordinary Sources (HEXOS): Observations of H2O and its isotopologues towards Orion KL
Published 30-07-2010“…We report the detection of more than 48 velocity-resolved ground rotational state transitions of H2(16)O, H2(18)O, and H2(17)O - most for the first time - in…”
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Reversal of infall in SgrB2(M) revealed by Herschel/HIFI observations of HCN lines at THz frequencies
Published 29-07-2010“…To investigate the accretion and feedback processes in massive star formation, we analyze the shapes of emission lines from hot molecular cores, whose…”
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Herschel observations of deuterated water towards Sgr B2(M)
Published 29-07-2010“…Observations of HDO are an important complement for studies of water, because they give strong constraints on the formation processes -- grain surfaces versus…”
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Herschel observations of EXtra-Ordinary Sources: The Terahertz spectrum of Orion KL seen at high spectral resolution
Published 26-07-2010“…We present the first high spectral resolution observations of Orion KL in the frequency ranges 1573.4 - 1702.8 GHz (band 6b) and 1788.4 - 1906.8 GHz (band 7b)…”
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Herschel observations of extra-ordinary sources: Detection of Hydrogen Fluoride in absorption towards Orion~KL
Published 13-07-2010“…We report a detection of the fundamental rotational transition of hydrogen fluoride in absorption towards Orion KL using Herschel/HIFI. After the removal of…”
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Herschel observations of EXtra-Ordinary Sources: the present and future of spectral surveys with Herschel/HIFI
Published 13-07-2010“…We present initial results from the Herschel GT key program: Herschel observations of EXtra-Ordinary Sources (HEXOS) and outline the promise and potential of…”
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