Výsledky vyhledávání - "J. H. Shirley"

Dusty Deep Convection in the Mars Year 34 Planet‐Encircling Dust Event

Autor: D. M. Kass, Nicholas G. Heavens, J. H. Shirley

Publikováno v: J Geophys Res Planets

Dusty convection, convective activity powered by radiative heating of dust, is a ubiquitous phenomenon in Mars’s atmosphere but is especially deep (that is, impactful on the middle atmosphere) and widespread during planet-encircling dust events (PE

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::684204641f50f30fcdde8c68d350cf60
https://doi.org/10.1029/2019je006110

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Orbit-Spin Coupling Torques and Martian Dust Storm Activity in MY34 and MY 35

Autor: A. Kleinboehl, D. M. Kass, J. H. Shirley

One global-scale dust storm and two larger-than-average regional-scale dust storms have been recorded by spacecraft observations within the dust seasons of the past two Mars years. Each of these st...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a6eec815d3e1c47bc72ee411d6d91aae
https://doi.org/10.1002/essoar.10505174.1

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MCS Observations of the Initiation and Development of Large Regional Dust Events on Mars

Autor: Daniel J. McCleese, Shigeru Suzuki, David M. Kass, John T. Schofield, J. H. Shirley, Nicholas Heavens, Armin Kleinboehl, Liam Steele

Why do some Martian dust storms, in some Mars years, expand to reach planet-encircling status, while the majority do not? In what ways do the largest regional events differ from those that become g...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8271933c8acf7939760c2ea3c31ab48e
https://doi.org/10.1002/essoar.10501300.1

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Surface composition of pull-apart bands in Argadnel Regio, Europa: Evidence of localized cryovolcanic resurfacing during basin formation

Autor: James B. Dalton, Louise M. Prockter, L. W. Kamp, J. H. Shirley

Publikováno v: Icarus. 285:27-42

We combine Galileo Solid State Imager (SSI) and Near-Infrared Mapping Spectrometer (NIMS) data to investigate the composition of pull-apart bands in Europa's Argadnel Regio. Using spectral linear mixture modeling employing cryogenic laboratory refere

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10ffd9f4344c5082dc0dad58dbc35cbf
https://doi.org/10.1016/j.icarus.2016.11.024

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Temperatures and aerosol opacities of the Mars atmosphere at aphelion: Validation and inter-comparison of limb sounding profiles from MRO/MCS and MGS/TES

Autor: Daniel J. McCleese, Jennifer Benson, John T. Schofield, Joshua L. Bandfield, J. H. Shirley, Timothy H. McConnochie, D. M. Kass, Nicholas G. Heavens, David P. Hinson, A. Kleinböhl

Publikováno v: Icarus. 251:26-49

We exploit the relative stability and repeatability of the Mars atmosphere at aphelion for an inter-comparison of Mars Global Surveyor/Thermal Emission Spectrometer (MGS/TES) and Mars Reconnaissance Orbiter/Mars Climate Sounder (MRO/MCS) nighttime te

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::198064b8c48fd021c32cde7f45a6065d
https://doi.org/10.1016/j.icarus.2014.05.011

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Mapping SO2 Frost on Io by the Modeling of NIMS Hyperspectral Images

Autor: Bernard Schmitt, J. H. Shirley, Laurence A. Soderblom, R. Lopes-Gautier, R. W. Carlson, Sylvain Douté

Publikováno v: Icarus. 149:107-132

We analyze a collection of hyperspectral images of Io acquired by the near infrared mapping spectrometer (NIMS) of Galileo during the G2 to E16 orbits of Jupiter. This analysis leads to the geographical distribution and physical characterization of S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17281abb0ca5be842cb30b218de888e5
https://doi.org/10.1006/icar.2000.6513

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High-accuracy measurement of the blackbody radiation frequency shift of the ground-state hyperfine transition in 133Cs

Autor: S R, Jefferts, T P, Heavner, T E, Parker, J H, Shirley, E A, Donley, N, Ashby, F, Levi, D, Calonico, G A, Costanzo

Publikováno v: Physical review letters. 112(5)

We report a high-accuracy direct measurement of the blackbody radiation shift of the 133Cs ground-state hyperfine transition. This frequency shift is one of the largest systematic frequency biases encountered in realizing the current definition of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::521a7fa47a668386e290f308070cdc74
https://pubmed.ncbi.nlm.nih.gov/24580583

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Exploring Europa with an RPS-Powered Orbiter Spacecraft

Autor: Robert D. Abelson, Jacklyn R. Green, William D. Smythe, J. H. Shirley, T. R. Spilker

Publikováno v: 2006 IEEE Aerospace Conference.

The National Research Council's solar system exploration decadal survey identified Jupiter's moon Europa as its highest-priority destination for near-term exploration. Voyager and Galileo missions to the Jupiter system provided evidence consistent wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3475475cfb339aafd2d2a2bfdcfaaec4
https://doi.org/10.1109/aero.2006.1656005

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Velocity distributions calculated from the Fourier transforms of Ramsey lineshapes

Autor: J. H. Shirley

A computerized method for finding velocity distributions from the Fourier transforms of Ramsey lineshapes has been developed. Experimental and numerical tests of the method show that it works very well for broad distributions and lineshapes where the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c6d2b9c4653643ff6ab32948cf9d5c2
https://zenodo.org/record/1260717

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