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We investigate the influence of lunar-like satellites on the infrared orbital light curves of Earth-analog extra-solar planets. Such light curves will be obtained by NASA's Terrestrial Planet Finder (TPF) and ESA's Darwin missions as a…

Astrophysics · Physics 2015-05-13 Nicholas A. Moskovitz , Eric Gaidos , Darren Williams

We present values of temperature and spectral index of the galactic diffuse radiation measured at 600 and 820 MHz along a 24 hours right ascension circle at declination $\delta = +42^{\circ}$. They have been obtained from a subset of…

Astrophysics · Physics 2009-11-13 A. Tartari , M. Zannoni , M. Gervasi , G. Boella , G. Sironi

Recently we reported that radio Doppler data generated by NASA's Deep Space Network (DSN) from the Pioneer 10 and 11 spacecraft indicate an apparent anomalous, constant, spacecraft acceleration with a magnitude $\sim 8.5\times 10^{-8}$ cm…

General Relativity and Quantum Cosmology · Physics 2009-09-25 Slava G. Turyshev , John D. Anderson , Philip A. Laing , Eunice L. Lau , Anthony S. Liu , Michael Martin Nieto

We analyze the reasons for the correlation between the temperature, direction, and speed of the interstellar neutral gas inflow into the heliosphere, obtained in analyzes of observations performed by the IBEX-Lo instrument onboard…

Solar and Stellar Astrophysics · Physics 2022-08-31 M. Bzowski , M. A. Kubiak , E. Möbius , N. A. Schwadron

Data acquired at Ceres by the visible channel of the Visible and InfraRed mapping spectrometer (VIR) on board the NASA Dawn spacecraft are affected by the temperatures of both the visible (VIS) and the infrared (IR) sensors, which are…

Instrumentation and Methods for Astrophysics · Physics 2020-02-14 B. Rousseau , A. Raponi , M. Ciarniello , E. Ammannito , F. G. Carrozzo , M. C. De Sanctis , S. Fonte , A. Frigeri , F. Tosi

The Mars Express (MEX) spacecraft has been orbiting Mars since 2004. The operators need to constantly monitor its behavior and handle sporadic deviations (outliers) from the expected patterns of measurements of quantities that the satellite…

Instrumentation and Methods for Astrophysics · Physics 2021-08-05 Matej Petković , Luke Lucas , Tomaž Stepišnik , Panče Panov , Nikola Simidjievski , Dragi Kocev

For the construction of the ATLAS Inner Tracker strip detector, silicon strip sensor modules are glued directly onto carbon fibre support structures using a soft silicone gel. During tests at temperatures below \unit[-35]{$^{\circ}$C},…

Instrumentation and Detectors · Physics 2025-10-10 Haider Abidi , Vitaliy Fadeyev , Tim Jones , Akhil Kumar , Tom Lee , Luise Poley , Craig Sawyer , Giorgio Vallone , Sven Wonsak

We model accelerated trips at high-velocity aboard light sails (beam-powered propulsion in general) and radiation rockets (thrust by anisotropic emission of radiation) in terms of Kinnersley's solution of general relativity and its…

General Relativity and Quantum Cosmology · Physics 2019-06-05 A. Füzfa

A laser diffraction experiment was conducted to study light propagation in air. The experiment is easy to reproduce and it is based on simple optical principles. Two optical sensors (segmented photo-diodes) are used for measuring the…

Astrophysics · Physics 2007-05-23 C. E. Navia , C. R. A. Augusto , D. F. Franceschini , M. B. Robba , K. H. Tsui

The discovery of the accelerating expansion of the Universe, thought to be driven by a mysterious form of `dark energy' constituting most of the Universe, has further revived the interest in testing Einstein's theory of General Relativity.…

General Relativity and Quantum Cosmology · Physics 2012-12-05 Ignazio Ciufolini , Antonio Paolozzi , Erricos Pavlis , John Ries , Vahe Gurzadyan , Rolf Koenig , Richard Matzner , Roger Penrose , Giampiero Sindoni

Recent cosmic ray (CR) measurements have revealed unexpected anomalies in secondary CRs, namely deviations from the predictions of the so-called standard Galactic CR paradigm regarding the composition and energy spectra of the products of…

High Energy Astrophysical Phenomena · Physics 2024-10-30 Rui-zhi Yang , Felix Aharonian

The balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment launched five times from Antarctica has achieved a cumulative flight duration of about 156 days above 99.5% of the atmosphere. The instrument is configured with…

Space launches produce ionospheric disturbances which can be observed through measurements such as Global Navigation Satellite System signal delays. Here we report observations and numerical simulations of the ionospheric depletion due to a…

Space Physics · Physics 2023-04-03 G. W. Bowden , M. Brown

After an introduction on phenomena due to spin and mass-energy currents on clocks and photons, we review the 1995-2001 measurements of the gravitomagnetic field of Earth and Lense-Thirring effect obtained by analyzing the orbits of the two…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Ignazio Ciufolini

The Cosmic Ray Energetics And Mass experiment for the International Space Station (ISS-CREAM) was installed on the ISS to measure high-energy cosmic-ray elemental spectra for the charge range $\rm Z=1$ to 26. The ISS-CREAM instrument…

The characterization of the optical properties of the atmosphere in the near UV, in particular the tropospheric aerosol stratification, clouds optical depth and spatial distribution are common in the field of atmospheric physics, due to…

Instrumentation and Methods for Astrophysics · Physics 2014-03-25 M. Buscemi , C. Cassardo , M. Cilmo , M. Coco , S. Ferrarese , F. Guarino , A. S. Tonachini , L. Valore , L. Wiencke

The CMS tracker consists of 206 square meters of silicon strip sensors assembled on carbon fibre composite structures and is designed for operation in the temperature range from -25 to +25 degrees C. The mechanical stability of tracker…

Instrumentation and Detectors · Physics 2017-05-15 CMS Collaboration

From CCD observations of a fixed and large star field that contained the binary TNO Orcus, we have been able to derive high-precision relative astrometry and photometry of the Orcus system with respect to background stars. The RA residuals…

Earth and Planetary Astrophysics · Physics 2010-11-01 J. L. Ortiz , A. Cikota , S. Cikota , D. Hestroffer , A. Thirouin , N. Morales , R. Duffard , R. Gil-Hutton , P. Santos-Sanz , I. de la Cueva

I perform an independent analysis of radio Doppler tracking data from the Pioneer 10 spacecraft for the time period 1987-1994. All of the tracking data were taken from public archive sources, and the analysis tools were developed…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Craig B. Markwardt

Gravitational lenses with anomalous flux ratios are often cited as possible evidence for dark matter satellites predicted by simulations of hierarchical merging in cold dark matter cosmogonies. We show that the fraction of quads with…

Astrophysics · Physics 2009-11-13 E. M. Shin , N. W. Evans
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