Search Results - "Stock, D J"

Tracing PAH Size in Prominent Nearby Mid-Infrared Environments by Knight, C., Peeters, E., Stock, D. J., Vacca, W. D., Tielens, A. G. G. M.

“…Abstract We present observations from the First Light Infrared TEst CAMera (FLITECAM) on board the Stratospheric Observatory for Infrared Astronomy, the…”
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PAHs and star formation in the H ii regions of nearby galaxies M83 and M33 by Maragkoudakis, A, Ivkovich, N, Peeters, E, Stock, D J, Hemachandra, D, Tielens, A G G M

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A search for ejecta nebulae around Wolf–Rayet stars using the SHS Hα survey by Stock, D. J., Barlow, M. J.

“…Recent large-scale Galactic plane Hα surveys allow a re-examination of the environs of Wolf–Rayet (WR) stars for the presence of a circumstellar nebula. Using…”
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POLYCYCLIC AROMATIC HYDROCARBON EMISSION IN SPITZER/IRS MAPS. I. CATALOG AND SIMPLE DIAGNOSTICS by Stock, D. J., Choi, W. D.-Y., Moya, L. G. V., Otaguro, J. N., Sorkhou, S., Allamandola, L. J., Tielens, A. G. G. M., Peeters, E.

“…ABSTRACT We present a sample of resolved galactic H ii regions and photodissociation regions (PDRs) observed with the Spitzer infrared spectrograph in spectral…”
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THE MID-INFRARED APPEARANCE OF THE GALACTIC MINI-STARBURST W49A by Stock, D J, Peeters, E, Choi, W D-Y, Shannon, M J

“…The massive star-forming region W49A represents one of the largest complexes of massive star formation present in the Milky Way and contains at least 50 young…”
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The spectroscopic properties of the nebulae around seven Galactic and LMC Wolf-Rayet stars by Stock, D. J., Barlow, M. J., Wesson, R.

“…We have obtained spectroscopic observations of the nebulae around seven Wolf-Rayet (WR) stars, four in the Milky Way (WR 8, 16, 18 and 40) and three in the…”
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The destruction and survival of dust in the shell around SN 2008S by Wesson, R., Barlow, M. J., Ercolano, B., Andrews, J. E., Clayton, Geoffrey C., Fabbri, J., Gallagher, Joseph S., Meixner, M., Sugerman, B. E. K., Welch, D. L., Stock, D. J.

“…SN 2008S erupted in early 2008 in the grand design spiral galaxy NGC 6946. The progenitor was detected by Prieto et al. in Spitzer Space Telescope images taken…”
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Polycyclic Aromatic Hydrocarbon Emission in Spitzer/IRS Maps. II. A Direct Link between Band Profiles and the Radiation Field Strength by Stock, D. J., Peeters, E.

“…We decompose the observed 7.7 m polycyclic aromatic hydrocarbon (PAH) emission complexes in a large sample of over 7000 mid-infrared spectra of the…”
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Geologic constraints on bedrock river incision using the stream power law by Stock, Jonathan D., Montgomery, David R.

“…Denudation rate in unextended terranes is limited by the rate of bedrock channel incision, often modeled as work rate on the channel bed by water and sediment,…”
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Characterizing spatial variations of PAH emission in the reflection nebula NGC 1333 by Knight, C, Peeters, E, Wolfire, M, Stock, D J

“…ABSTRACT Infrared emission features at 3.3, 6.2, 7.7, 8.6, and 11.2 µm, attributed to polycyclic aromatic hydrocarbons (PAHs), show variations in relative…”
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Understanding and reducing statistical uncertainties in nebular abundance determinations by Wesson, R., Stock, D. J., Scicluna, P.

“…Whenever observations are compared to theories, an estimate of the uncertainties associated with the observations is vital if the comparison is to be…”
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The probability distribution functions of emission line flux measurements and their ratios by Wesson, R., Stock, D. J., Scicluna, P.

“…Many physical parameters in astrophysics are derived using the ratios of two observed quantities. If the relative uncertainties on measurements are small…”
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Herschel ★-PACS measurements of nitrogen enrichment in nebulae around Wolf–Rayet stars by Stock, D. J., Barlow, M. J.

“…For three nebulae that have early-WN Wolf–Rayet exciting stars, NGC 6888, WR 8 and Abell 48, we have obtained Herschel-PACS line scans of the [N iii] 57-μm and…”
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INTERPRETING THE SUBTLE SPECTRAL VARIATIONS OF THE 11.2 AND 12.7 m POLYCYCLIC AROMATIC HYDROCARBON BANDS by Shannon, M. J., Stock, D. J., Peeters, E.

“…ABSTRACT We report new properties of the 11 and 12.7 m emission complexes of polycyclic aromatic hydrocarbons (PAHs) by applying a Gaussian-based decomposition…”
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Distribution of bedrock and alluvial channels in forested mountain drainage basins by Montgomery, David R, Abbe, Tim B, Buffington, John M, Peterson, N. Phil, Schmidt, Kevin M, Stock, Jonathan D

“…Montgomery et al investigated the distribution of channel types in forested mountain drainage basins, and showed that the occurrence of bedrock and alluvial…”
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The variability of root cohesion as an influence on shallow landslide susceptibility in the Oregon Coast Range by Schmidt, K M, Roering, J J, Stock, J D, Dietrich, W E, Montgomery, D R, Schaub, T

“…Decades of quantitative measurement indicate that roots can mechanically reinforce shallow soils in forested landscapes. Forests, however, have variations in…”
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Shallow landsliding, root reinforcement, and the spatial distribution of trees in the Oregon Coast Range by Roering, Joshua J, Schmidt, Kevin M, Stock, Jonathan D, Dietrich, William E, Montgomery, David R

“…The influence of root reinforcement on shallow landsliding has been well established through mechanistic and empirical studies, yet few studies have examined…”
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Characterizing Spatial Variations of PAH Emission in the Reflection Nebula NGC 1333 by Knight, C, Peeters, E, Wolfire, M, Stock, D. J

“…Infrared emission features at 3.3, 6.2, 7.7, 8.6, and 11.2 $\mu$m, attributed to polycyclic aromatic hydrocarbons, show variations in relative intensity,…”
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INTERPRETING THE SUBTLE SPECTRAL VARIATIONS OF THE 11.2 AND 12.7 μm POLYCYCLIC AROMATIC HYDROCARBON BANDS by Shannon, M. J., Stock, D. J., Peeters, E.

“…ABSTRACT We report new properties of the 11 and 12.7 μ m emission complexes of polycyclic aromatic hydrocarbons (PAHs) by applying a Gaussian-based…”
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PROBING THE IONIZATION STATES OF POLYCYCLIC AROMATIC HYDROCARBONS VIA THE 15–20 μ m EMISSION BANDS by Shannon, M. J., Stock, D. J., Peeters, E.

“…We report new correlations between ratios of band intensities of the 15–20 μm emission bands of polycyclic aromatic hydrocarbons (PAHs) in a sample of 57…”
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