Search Results - "Lacy, J. H."

Hydrogen peroxide on Mars: evidence for spatial and seasonal variations by Encrenaz, Th, Bézard, B, Greathouse, T.K, Richter, M.J, Lacy, J.H, Atreya, S.K, Wong, A.S, Lebonnois, S, Lefèvre, F, Forget, F

“…Hydrogen peroxide (H 2O 2) has been suggested as a possible oxidizer of the martian surface. Photochemical models predict a mean column density in the range of…”
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Massive Star Formation of the Sgr A East H II Regions Near the Galactic Center by Yusef-Zadeh, F, Lacy, J. H, Wardle, M, Whitney, B, Bushouse, H, Roberts, D. A, Arendt, R. G

“…A group of four compact H II regions associated with the well-known 50 km s--1 molecular cloud is the closest site of on-going star formation to the dynamical…”
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The Abundances of Polyacetylenes Toward CRL618 by Fonfría, J. P, Cernicharo, J, Richter, M. J, Lacy, J. H

“…We present a mid-infrared high spectral resolution spectrum of CRL618 in the frequency ranges 778-784 and 1227-1249 cm--1 (8.01-8.15 and 12.75-12.85 Delta *mm)…”
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TEXES: A Sensitive High‐Resolution Grating Spectrograph for the Mid‐Infrared by Lacy, J. H., Richter, M. J., Greathouse, T. K., Jaffe, D. T., Zhu, Q.

“…We discuss the design and performance of TEXES, the Texas Echelon Cross Echelle Spectrograph. TEXES is a mid‐infrared (5–25 μm) spectrograph with several…”
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Carbon Chemistry in IRC+10216: Infrared Detection of Diacetylene by Fonfría, J. P., Agúndez, M., Cernicharo, J., Richter, M. J., Lacy, J. H.

“…We present the detection of C4H2 for first time in the envelope of the C-rich AGB star IRC+10216, based on high spectral resolution mid-infrared observations…”
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Unraveling the 10 micron "silicate" feature of protostars: the detection of frozen interstellar ammonia by Lacy, J. H., Faraji, H., Sandford, S. A., Allamandola, L. J.

“…We present infrared spectra of four embedded protostars in the 750-1230 cm-1 (13.3-8.1 microns) range. For NGC 7538 IRS 9, a new band is reported at 1110 cm-1…”
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A potential new method for determining the temperature of cool stars by Viti, S., Jones, H. R. A., Richter, M. J., Barber, R. J., Tennyson, J., Lacy, J. H.

“…We present high-resolution (R= 90 000) mid-infrared spectra of M dwarfs. The mid-infrared region of the spectra of cool low-mass stars contains pure rotational…”
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Mid-Infrared Photometry and Spectra of Three High-Mass Protostellar Candidates at IRAS 18151–1208 and IRAS 20343+4129 by Campbell, M. F, Sridharan, T. K, Beuther, H, Lacy, J. H, Hora, J. L, Zhu, Q, Kassis, M, Saito, M, De Buizer, J. M, Fung, S. H, Johnson, L. C

“…We present arcsecond-scale mid-IR photometry (in the 10.5 mu m N band and at 24.8 mu m), and low-resolution spectra in the N band (R [unk] 100) of a candidate…”
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Water Vapor on Betelgeuse as Revealed by TEXES High-Resolution 12 μm Spectra by Ryde, N, Harper, G. M, Richter, M. J, Greathouse, T. K, Lacy, J. H

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A Detailed Analysis of the Dust Formation Zone of IRC +10216 Derived from Mid-Infrared Bands of C2H2 and HCN by Fonfría, J. P, Cernicharo, J, Richter, M. J, Lacy, J. H

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Propane on Titan by Roe, H. G, Greathouse, T. K, Richter, M. J, Lacy, J. H

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Detection of Water Vapor in the Photosphere of Arcturus by Ryde, N, Lambert, D. L, Richter, M. J, Lacy, J. H

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The abundance of 28Si32S, 29Si32S, 28Si34S, and 30Si32S in the inner layers of the envelope of IRC+10216 by Fonfría, J. P., Cernicharo, J., Richter, M. J., Fernández-López, M., Velilla Prieto, L., Lacy, J. H.

“…We present high spectral resolution mid-IR observations of SiS towards the C-rich AGB star IRC+10216 carried out with the Texas Echelon-cross-Echelle…”
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The abundance of 28 Si 32 S, 29 Si 32 S, 28 Si 34 S, and 30 Si 32 S in the inner layers of the envelope of IRC+10216 by Fonfría, J P, Cernicharo, J, Richter, M J, Fernández-López, M, Prieto, L Velilla, Lacy, J H

“…We present high spectral resolution mid-IR observations of SiS towards the C-rich AGB star IRC+10216 carried out with the Texas Echelon-cross-Echelle…”
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H2 Pure Rotational Lines in the Orion Bar by Allers, K. N, Jaffe, D. T, Lacy, J. H, Draine, B. T, Richter, M. J

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High-Frequency Measurements of the Spectrum of Sagittarius A by Serabyn, E, Carlstrom, J, Lay, O, Lis, D. C, Hunter,, T. R, Lacy, J. H, Hills, R. E

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H 2 Pure Rotational Lines in the Orion Bar by Allers, K. N., Jaffe, D. T., Lacy, J. H., Draine, B. T., Richter, M. J.

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Kinematics of Ultracompact H II Regions Revealed: High Spatial and Spectral Resolution Mapping of the 12.8 Micron [Ne II] Line in Monoceros R2 by Jaffe, D. T, Zhu, Q, Lacy, J. H, Richter, M

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Structure and kinematics within the Starburst nucleus of M82: Searching for a bar by Achtermann, J. M., Lacy, J. H.

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Vertically-resolved observations of Jupiter’s quasi-quadrennial oscillation from 2012 to 2019 by Giles, R.S., Greathouse, T.K., Cosentino, R.G., Orton, G.S., Lacy, J.H.

“…Over the last eight years, a rich dataset of mid-infrared CH4 observations from the TEXES instrument at IRTF has been used to characterize the thermal…”
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