Search Results - "Morlok, A"

Abundant Circumstellar Silica Dust and SiO Gas Created by a Giant Hypervelocity Collision in the ~12 Myr HD172555 System by Lisse, C. M, Chen, C. H, Wyatt, M. C, Morlok, A, Song, I, Bryden, G, Sheehan, P

“…The fine dust detected by infrared (IR) emission around the nearby Delta *b Pic analog star HD172555 is very peculiar. The dust mineralogy is composed…”
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HD 145263: Spectral Observations of Silica Debris Disk Formation via Extreme Space Weathering? by Lisse, C. M., Meng, H. Y. A., Sitko, M. L., Morlok, A., Johnson, B. C., Jackson, A. P., Vervack, R. J., Chen, C. H., Wolk, S. J., Lucas, M. D., Marengo, M., Britt, D. T.

“…We report here time-domain infrared spectroscopy and optical photometry of the HD 145263 silica-rich circumstellar-disk system taken from 2003 through 2014. We…”
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Studying the Composition and Mineralogy of the Hermean Surface with the Mercury Radiometer and Thermal Infrared Spectrometer (MERTIS) for the BepiColombo Mission: An Update by Hiesinger, H., Helbert, J., Alemanno, G., Bauch, K. E., D’Amore, M., Maturilli, A., Morlok, A., Reitze, M. P., Stangarone, C., Stojic, A. N., Varatharajan, I., Weber, I.

“…Launched onboard the BepiColombo Mercury Planetary Orbiter (MPO) in October 2018, the Mercury Radiometer and Thermal Infrared Spectrometer (MERTIS) is on its…”
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A SELF-CONSISTENT MODEL OF THE CIRCUMSTELLAR DEBRIS CREATED BY A GIANT HYPERVELOCITY IMPACT IN THE HD 172555 SYSTEM by JOHNSON, B. C, LISSE, C. M, MORLOK, A, CHEN, C. H, MELOSH, H. J, WYATT, M. C, THEBAULT, P, HENNING, W. G, GAIDOS, E, ELKINS-TANTON, L. T, BRIDCES, J. C

“…Spectral modeling of the large infrared excess in the Spitzer IRS spectra of HD 172555 suggests that there is more than 10 super(19) kg of submicron dust in…”
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SPITZER EVIDENCE FOR A LATE-HEAVY BOMBARDMENT AND THE FORMATION OF UREILITES IN η CORVI At ∼1 Gyr by LISSE, C. M, WYATT, M. C, CHEN, C. H, MORLOK, A, WATSON, D. M, MANOJ, P, SHEEHAN, P, CURRIE, T. M, THEBAULT, P, SITKO, M. L

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Cosmochemical and spectroscopic properties of Northwest Africa 7325-A consortium study by Weber, I., Morlok, A., Bischoff, A., Hiesinger, H., Ward, D., Joy, K. H., Crowther, S. A., Jastrzebski, N. D., Gilmour, J. D., Clay, P. L., Wogelius, R. A., Greenwood, R. C., Franchi, I. A., Münker, C.

“…This work is part of a project to build an infrared database in order to link IR data of planetary materials (and therefore possible Mercury material) with…”
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Circumstellar Dust Created by Terrestrial Planet Formation in HD 113766 by Lisse, C. M, Chen, C. H, Wyatt, M. C, Morlok, A

“…We present an analysis of the gas-poor circumstellar material in the HD 113766 binary system (F3/F5, 10-16 Myr), recently observed by the Spitzer Space…”
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Correction to: Studying the Composition and Mineralogy of the Hermean Surface with the Mercury Radiometer and Thermal Infrared Spectrometer (MERTIS) for the BepiColombo Mission: An Update by Hiesinger, H., Helbert, J., Alemanno, G., Bauch, K. E., D’Amore, M., Maturilli, A., Morlok, A., Reitze, M. P., Stangarone, C., Stojic, A. N., Varatharajan, I., Weber, I.

“…A Correction to this paper has been published: https://doi.org/10.1007/s11214-020-00780-w…”
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Sample return of primitive matter from the outer Solar System by Vernazza, P., Beck, P., Ruesch, O., Bischoff, A., Bonal, L., Brennecka, G., Brunetto, R., Busemann, H., Carter, J., Carli, C., Cartier, C., Ciarniello, M., Debaille, V., Delsanti, A., D’Hendecourt, L., Füri, E., Groussin, O., Guilbert-Lepoutre, A., Helbert, J., Hoppe, P., Jehin, E., Jorda, L., King, A., Kleine, T., Lamy, P., Lasue, J., Le Guillou, C., Leroux, H., Leya, I., Magna, T., Marrocchi, Y., Morlok, A., Mousis, O., Palomba, E., Piani, L., Quirico, E., Remusat, L., Roskosz, M., Rubin, M., Russell, S., Schönbächler, M., Thomas, N., Villeneuve, J., Vinogradoff, V., Wurz, P., Zanda, B.

“…The last thirty years of cosmochemistry and planetary science have shown that one major Solar System reservoir is vastly undersampled in the available suite of…”
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Spectroscopic Characterization of Impactites and a Machine Learning Approach to Determine the Oxidation State of Iron in Glass‐Bearing Materials by Bruschini, E., Carli, C., Skogby, H., Andreozzi, G. B., Stojic, A., Morlok, A.

“…We investigated a suite of impact glass‐bearing rocks using a multi‐analytical approach including visible‐near‐infrared diffuse reflectance spectroscopy,…”
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Mid-infrared spectra of the shocked Murchison CM chondrite: Comparison with astronomical observations of dust in debris disks by Morlok, A., Koike, C., Tomioka, N., Mann, I., Tomeoka, K.

“…We present laboratory mid-infrared transmission/absorption spectra obtained from matrix of the hydrated Murchison CM meteorite experimentally shocked at peak…”
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Mid-infrared spectroscopy of components in chondrites: Search for processed materials in young Solar Systems and comets by Morlok, A., Lisse, C.M., Mason, A.B., Bullock, E.S., Grady, M.M.

“…•We present FTIR absorption spectra for chondrules, CAIs, fine-grained matrix.•Comparison shows similarity with astronomical dust (circumstellar disks,…”
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Chondrules born in plasma? Simulation of gas-grain interaction using plasma arcs with applications to chondrule and cosmic spherule formation by MORLOK, A., SUTTON, Y. C., BRAITHWAITE, N. St. J., GRADY, Monica M.

“…– We are investigating chondrule formation by nebular shock waves, using hot plasma as an analog of the heated gas produced by a shock wave as it passes…”
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2–16 μm spectroscopy of micron-sized enstatite (Mg,Fe)2Si2O6 silicates from primitive chondritic meteorites by Bowey, J. E., Morlok, A., Köhler, M., Grady, M.

“…We present mid-infrared spectra from individual enstatite silicate grains separated from primitive type 3 chondritic meteorites. The 2–16 μm transmission…”
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SPITZER EVIDENCE FOR A LATE-HEAVY BOMBARDMENT AND THE FORMATION OF UREILITES IN [eta] CORVI At ~1 Gyr by Lisse, C M, Wyatt, M C, Chen, C H, Morlok, A, Watson, D M, Manoj, P, Sheehan, P, Currie, T M, Thebault, P, Sitko, M L

“…We have analyzed Spitzer and NASA/IRTF 2-35 mu m spectra of the warm, ~350 K circumstellar dust around the nearby MS star [eta] Corvi (F2V, 1.4 + or - 0.3…”
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Mid-infrared spectroscopy of refractory inclusions (CAIs) in CV and CO chondrites by MORLOK, A., KÖHLER, M., GRADY, M. M.

“…— We present laboratory mid‐infrared absorption spectra (2.5 urn to 16.0 μm) of powdered calcium‐aluminum‐rich inclusions (CAIs) and matrix separated from the…”
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2-16  m spectroscopy of micron-sized enstatite (Mg,Fe)2Si2O6 silicates from primitive chondritic meteorites by Bowey, J. E., Morlok, A., Kohler, M., Grady, M.

“…We present mid-infrared spectra from individual enstatite silicate grains separated from primitive type 3 chondritic meteorites. The 2-16 mum transmission…”
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FTIR 2-16 micron spectroscopy of micron-sized olivines from primitive meteorites by MORLOK, A., BOWEY, J., KÖHLER, M., GRADY, M. M.

“…— Infrared spectra of mineral grains from primitive meteorites could be useful for comparison with astronomical infrared spectra since some of their grains…”
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FT–IR microspectroscopy of extraterrestrial dust grains: Comparison of measurement techniques by Morlok, A., Köhler, M., Bowey, J.E., Grady, Monica M.

“…Identification of astronomical dust composition rests on comparison of Infrared (IR) spectra with standard laboratory spectra; frequently, however, a single…”
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Laboratory IR spectroscopy of soils from Apollo 14, 15, and 16: Spectral parameters and maturity by Morlok, A., Joy, K.H., Martin, D., Wogelius, R., Hiesinger, H.

“…Sieved size fractions (0–25 ​μm, 25–63 ​μm, 63–125 ​μm, and 125–250 ​μm) and bulk (unsieved) material from lunar soils from Apollo 14 (14163,135 and14259,672),…”
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