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A Wide Field Survey of Satellite Galaxies around the Spiral Galaxy M106
galaxies；individual (M106) —galaxies；morphology and pho-tometry — galaxies；dwarf galaxies
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2010/11/15
We present a wide field survey of satellite galaxies in M106 (NGC 4258)covering a 1.7◦ × 2◦ field around M106 using Canada-France-Hawaii Tele-scope/MegaCam. We find 16 satellite galaxy can...
The Elemental Abundance Distributions of Milky Way Satellite Galaxies
Elemental Abundance Distributions Milky Way Satellite Galaxies
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2010/11/11
The chemical compositions of the stars in Milky Way (MW)satellite galaxies reveals the history of gas flows and star formation (SF)intensity. This talk presented a Keck/DEIMOS spectroscopic survey of ...
Dynamical effects of General Relativity on the satellite-to-satellite range and range-rate in the GRACE mission
Dynamical effects of General Relativity satellite-to-satellite range range-rate GRACE mission
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2010/12/20
In this Letter, by reconstructing the Om diagnostic and the deceleration parameter q from
the latest Union2 Type Ia supernova sample with and without the systematic error along with
the baryon acous...
Dynamical effects of General Relativity on the satellite-to-satellite range and range-rate in the GRACE mission
Experimental studies of gravity Experimental tests of gravitational theories
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2010/12/20
We numerically investigate the impact of the General Theory of Relativity (GTR) on the satellite-to-satellite range ρ and range-rate ρ˙ of the twin GRACE A/B spacecrafts through their dynamical equati...
Mediterranean hurricanes: large-scale environment and convective and precipitating areas from satellite microwave observations
Mediterranean hurricanes large-scale environment convective precipitating areas satellite microwave observations
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2011/1/19
Subsynoptic scale vortices that have been likened to tropical cyclones or polar lows (medicanes) are occasionally observed over the Mediterranean Sea. Generated over the sea, they are usually associat...
The importance of transport model uncertainties for the estimation of CO2 sources and sinks using satellite measurements
transport model uncertainties CO2 sources and sinks satellite measurements
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2010/11/3
This study presents a synthetic model intercomparison to investigate the importance of transport model errors for estimating the sources and sinks of CO2 using satellite measurements. The experiments ...
Constraints on interactions between aerosols and clouds on a global scale from a combination of MODIS-CERES satellite data and climate simulations
aerosols clouds a global scale MODIS-CERES satellite data climate simulations
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2010/10/21
Satellite-based cloud top effective radius retrieved by the CERES Science Team were combined with simulated aerosol concentrations from CCCma CanAM4 to examine relationships between aerosol and cloud ...
Nitrogen oxides and PAN in plumes from boreal fires during ARCTAS-B and their impact on ozone: an integrated analysis of aircraft and satellite observations
Nitrogen oxides and PAN boreal fires ARCTAS-B aircraft and satellite observations
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2010/10/21
We determine enhancement ratios for NOx, PAN, and other NOy species from boreal biomass burning using aircraft data obtained during the ARCTAS-B campaign and examine the impact of these emissions on t...
Could the Hercules satellite be a stellar stream in the Milky Way halo?
Galaxy Astrophysics (astro-ph.GA)
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2010/12/29
We investigate the possibility that Hercules, a recently discovered Milky Way (MW) satellite, is a stellar stream in the process of formation. This hypothesis is motivated by Hercules' highly elongate...
Correlating tropospheric column ozone with tropopause folds: the Aura-OMI satellite data
tropospheric column ozone tropopause folds the Aura-OMI satellite data
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2010/10/21
The geographic and temporal variations in tropospheric and stratospheric ozone columns from individual swath measurements of the Ozone Monitoring Instrument (OMI), on the NASA Aura spacecraft, are rea...
The preferred direction of infalling satellite galaxies in the Local Group
Cosmology and Extragalactic Astrophysics (astro-ph.CO) Galaxy Astrophysics (astro-ph.GA)
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2010/12/27
Using a high resolution DM simulation of the Local Group (LG), conducted within the framework of the Constrained Local UniversE Simulation (CLUES) project, we investigate the nature of how satellites ...
Post-Decadal White Paper: A Dual-Satellite Dark-Energy/Microlensing NASA-ESA Mission
Instrumentation and Methods for Astrophysics (astro-ph.IM) Cosmology and Extragalactic Astrophysics (astro-ph.CO) Earth and Planetary Astrophysics (astro-ph.EP)
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2010/12/22
A confluence of scientific, financial, and political factors imply that launching two simpler, more narrowly defined dark-energy/microlensing satellites will lead to faster, cheaper, better (and more ...
Evaluation of a regional air quality forecast model for tropospheric NO2 columns using the OMI/Aura satellite tropospheric NO2 product
a regional air quality forecast model tropospheric NO2 columns the OMI/Aura satellite tropospheric NO2 product
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2010/9/21
Results from a regional air quality forecast model, AIRPACT-3, are compared to OMI tropospheric NO2 integrated column densities for an 18 month period over the Pacific Northwest. AIRPACT column densit...
Multi-annual changes of NOx emissions in megacity regions: nonlinear trend analysis of satellite measurement based estimates
NOx emissions megacity regions nonlinear trend analysis satellite measurement
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2010/9/21
Hazardous impact of air pollutant emissions from megacities on atmospheric composition on regional and global scales is currently an important issue in atmospheric research. However, the quantificatio...
Assessment of the performance of X-band satellite radar data for landslide mapping and monitoring: Upper Tena Valley case study
performance X-band satellite radar data landslide mapping monitoring Upper Tena Valley case study
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2010/10/21
The aim of this work is to analyse the advantages and disadvantages of using the new X-band SAR data acquired by TerraSAR-X sensors for landslides mapping. This dataset has been processed using a Pers...