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Related papers: Precision Pointing of IBEX-Lo Observations

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The feasibility of using data from the NASA STEREO mission for variable star and asteroseismology studies has been examined. A data analysis pipeline has been developed that is able to apply selected algorithms to the entire database of…

Solar and Stellar Astrophysics · Physics 2015-05-27 K. T. Wraight , Glenn J. White , D. Bewsher , A. J. Norton

Precision wavefront control on future segmented-aperture space telescopes presents significant challenges, particularly in the context of high-contrast exoplanet direct imaging. We present a new wavefront control architecture that…

Instrumentation and Methods for Astrophysics · Physics 2019-01-08 Ewan S. Douglas , Jared R. Males , James Clark , Olivier Guyon , Jennifer R. Lumbres , Weston A. Marlow , Kerri L. Cahoy

In the context of the space-based mission CoRoT, devoted to asteroseismology and search for planet transits, we analyse the accuracy of fundamental stellar parameters (mass, radius, luminosity) that can be obtained from asteroseismological…

Solar and Stellar Astrophysics · Physics 2015-05-13 C. Mulet-Marquis , I. Baraffe , S. Aigrain , F. Pont

Direct sampling of neutral interstellar (NIS) atoms by the Interstellar Boundary Explorer (IBEX) can potentially provide a complementary method for studying element abundances in the Local Interstellar Cloud and processes in the heliosphere…

Instrumentation and Methods for Astrophysics · Physics 2015-06-16 M. Bzowski , J. M. Sokół , M. A. Kubiak , H. Kucharek

Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) was launched on May 22, 2018. It carries the Laser Ranging Interferometer (LRI) as a technology demonstrator that measures the inter-satellite range with nanometer precision using…

Geophysics · Physics 2021-07-07 Sujata Goswami , Samuel P. Francis , Tamara Bandikova , Robert E Spero

The IBEX-Lo instrument on board the Interstellar Boundary Explorer (IBEX) mission samples interstellar neutral (ISN) helium atoms penetrating the heliosphere from the very local interstellar medium (VLISM). In this study, we analyze the…

Since 2008, the Interstellar Boundary Explorer (IBEX) satellite has been gathering data on heliospheric energetic neutral atoms (ENAs) while being exposed to various sources of background noise, such as cosmic rays and solar energetic…

Instrumentation and Methods for Astrophysics · Physics 2023-11-30 Kelly R. Moran , Dave Osthus , Brian P. Weaver , Lauren J. Beesley , Madeline A. Stricklin , Paul H. Janzen , Daniel B. Reisenfeld

We report a new diagnostic between two different states of the local interstellar medium (LISM) near our solar system using a sensitivity study constrained by several distinct and complementary observations of the LISM, solar wind, and…

Solar and Stellar Astrophysics · Physics 2015-06-17 L. Ben-Jaffel , M. Strumik , R. Ratkiewicz , J. Grygorczuk

We demonstrate the ability to measure precise stellar barycentric radial velocities with the dispersed fixed-delay interferometer technique using the Exoplanet Tracker (ET), an instrument primarily designed for precision differential…

The journey of the Sun through space carries the solar system through a dynamic interstellar environment that is presently characterized by Mach 1 motion between the heliosphere and the surrounding interstellar medium (ISM). The interaction…

Astrophysics of Galaxies · Physics 2015-06-24 P. C. Frisch , M. Bzowski , C. Drews , T. Leonard , G. Livadiotis , D. J. McComas , E. Moebius , N. A. Schwadron , J. M. Sokol

Extremely precise radial velocity is essential for the detection of sub-m/s radial velocity of stars induced by Earth-like planets. Although modeling of the barycentric correction of radial velocity could achieve 1 mm/s precision, the input…

Earth and Planetary Astrophysics · Physics 2023-12-13 Yicheng Rui , Fabo Feng

Radio tracking of interplanetary probes is an important tool for navigation purposes as well as for testing the laws of physics or exploring planetary environments. The addition of an accelerometer on board a spacecraft provides orbit…

Instrumentation and Detectors · Physics 2021-05-11 Benjamin Lenoir , Agnès Lévy , Bernard Foulon , Brahim Lamine , Bruno Christophe , Serge Reynaud

ASTEP South is the first phase of the ASTEP project (Antarctic Search for Transiting ExoPlanets). The instrument is a fixed 10 cm refractor with a 4kx4k CCD camera in a thermalized box, pointing continuously a 3.88 degree x 3.88 degree…

Large spectroscopic surveys have enabled in the recent years the computation of three-dimensional interstellar extinction maps thanks to accurate stellar atmospheric parameters and line-of-sight distances. Such maps are complementary to 3D…

During a 50 ks monitoring observation of the Galactic bulge performed in September 1999 by the Wide Field Cameras on board the BeppoSAX satellite, an X-ray burst was detected from a sky position ~3 degrees off the Galactic centre. No…

In the early 1990s, contemporary interstellar dust penetrating deep into the heliosphere was identified with the in-situ dust detector on board the Ulysses spacecraft. Later on, interstellar dust was also identified in the data sets…

Earth and Planetary Astrophysics · Physics 2019-06-19 Harald Krüger , Peter Strub , Nicolas Altobelli , Veerle Sterken , Ralf Srama , Eberhard Grün

Asteroseismology is among the most powerful observational tools to determine fundamental properties of stars. Space-based photometry has recently enabled the systematic detection of oscillations in exoplanet host stars, allowing a…

Earth and Planetary Astrophysics · Physics 2015-12-01 Daniel Huber

The TESS follow-up of a large number of known transiting exoplanets provide unique opportunity to study their physical properties more precisely. Being a space-based telescope, the TESS observations are devoid of any noise component…

Earth and Planetary Astrophysics · Physics 2025-11-25 Suman Saha

Space-based projects are providing a wealth of high-quality asteroseismic data, including frequencies for a large number of stars showing solar-like oscillations. These data open the prospect for precise determinations of key stellar…

Solar and Stellar Astrophysics · Physics 2015-05-20 P. -O. Quirion , J. Christensen-Dalsgaard , T. Arentoft

Optical navigation on a CubeSat must rely on the best extraction of the directions of some beacons from on-board images. We present an experiment on OPS-SAT, a CubeSat of the European Space Agency (ESA), that will characterize an onboard…

Instrumentation and Methods for Astrophysics · Physics 2022-03-15 Boris Segret , Youssoupha Diaw , Valery Lainey