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Microscope instrument in-flight characterization
Bergé, Joel; Chhun, Ratana; Métris, Gilles +12 more
Since the MICROSCOPE instrument aims to measure accelerations as low as a few 10-15 m s-2 and cannot operate on ground, it was necessary to have a large time dedicated to its characterization in flight. After its release and first operation, the characterization experiments covered all the aspects of the instrument design in …
SynthIA: A Synthetic Inversion Approximation for the Stokes Vector Fusing SDO and Hinode into a Virtual Observatory
Liu, Yang; Antiochos, Spiro K.; Leka, K. D. +7 more
Both NASA's Solar Dynamics Observatory (SDO) and the JAXA/NASA Hinode mission include spectropolarimetric instruments designed to measure the photospheric magnetic field. SDO's Helioseismic and Magnetic Imager (HMI) emphasizes full-disk, high-cadence, and good-spatial-resolution data acquisition while Hinode's Solar Optical Telescope Spectro-Polar…
The Radcliffe wave as the gas spine of the Orion arm
Benjamin, R. A.; Gallagher, J. S., III; Drimmel, R. +7 more
The Radcliffe wave is a ∼3 kpc long coherent gas structure containing most of the star-forming complexes near the Sun. In this Letter we aim to find a Galactic context for the Radcliffe wave by looking into a possible relationship between the gas structure and the Orion (local) arm. We use catalogs of massive stars and young open clusters based on…
Relation of Jupiter's Dawnside Main Emission Intensity to Magnetospheric Currents During the Juno Mission
Nichols, J. D.; Cowley, S. W. H.
We compare Jupiter's dawn-side main auroral emission intensity observed by the Hubble Space Telescope with the simultaneous magnitude of the dawn-side magnetospheric equatorial radial current as observed by Juno during Orbits 3-7. We show that the peak auroral intensity and the square of the radial current per radian of azimuth are strongly correl…
Sensitive Multibeam Targeted SETI Observations toward 33 Exoplanet Systems with FAST
Zhu, Yan; Li, Di; Qian, Lei +19 more
As a major approach to looking for life beyond the Earth, the search for extraterrestrial intelligence (SETI) is committed to searching for technosignatures such as engineered radio signals that are indicative of technologically capable life. In this paper, we report a targeted SETI campaign employing an observation strategy named multibeam coinci…
The intracluster light on Frontier Fields clusters Abell 370 and Abell S1063
Jiménez-Teja, Yolanda; Dupke, Renato; de Oliveira, Nícolas O. L.
We analysed the contribution of the intracluster light (ICL) to the total luminosity of two massive galaxy clusters observed by the Hubble Space Telescope within the Frontier Fields program, Abell 370 (z ~ 0.375) and Abell S1063 (z ~ 0.348), in order to correlate it with the dynamical stage of these systems. We applied an algorithm based on the Ch…
A Population of Luminous Globular Clusters and Stripped Nuclei with Elevated Mass to Light Ratios around NGC 5128
Forbes, Duncan A.; Caldwell, Nelson; Strader, Jay +8 more
The dense central regions of tidally disrupted galaxies can survive as ultracompact dwarfs (UCDs) that hide among the luminous globular clusters (GCs) in the halo of massive galaxies. An exciting confirmation of this model is the detection of overmassive black holes in the centers of some UCDs, which also lead to elevated dynamical mass-to-light r…
Troposphere-to-mesosphere microphysics of carbon dioxide ice clouds in a Mars Global Climate Model
Forget, F.; Montmessin, F.; González-Galindo, F. +10 more
We have implemented full CO2 ice cloud microphysics into the LMD Mars Global Climate Model (MGCM) and we have conducted the first global simulations. The microphysical model implementation follows the modal scheme used for water ice cloud microphysics in the MGCM, but includes specific aspects that need to be accounted for when dealing …
A quantitative assessment of completeness correction methods and public release of a versatile simulation code
Treu, Tommaso; Trenti, Michele; Morishita, Takahiro +2 more
Having accurate completeness functions is crucial to the determination of the rest-frame ultraviolet luminosity functions (UVLFs) all the way back to the epoch of reionization. Most studies use injection-recovery simulations to determine completeness functions. Although conceptually similar, published approaches have subtle but important differenc…
And then they were two: Detection of non-thermal radio emission from the bow shocks of two runaway stars
Menten, K. M.; Brose, R.; Gvaramadze, V. V. +7 more
Context. In recent years, winds from massive stars have been considered promising sites for investigating relativistic particle acceleration. In particular, the resulting bow-shaped shocks from the interaction of the supersonic winds of runaway stars with interstellar matter have been intensively observed at many different wavelengths, from radio …