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This work updates and expands on results of our long-term radar-driven observational campaign of main-belt asteroids (MBAs) focused on Bus-DeMeo Xc- and Xk-type objects (Tholen X and M class asteroids) using the Arecibo radar and NASA…

Earth and Planetary Astrophysics · Physics 2014-07-04 J. R. Neeley , B. E. Clark , M. E. Ockert-Bell , M. K. Shepard , J. Conklin , E. A. Cloutis , S. Fornasier , S. J. Bus

Gaseous metal discs around single white dwarfs have been discovered recently. They are thought to develop from disrupted planetary bodies. Spectroscopic analyses will allow us to study the composition of extrasolar planetary material. We…

Solar and Stellar Astrophysics · Physics 2011-06-02 S. Hartmann , T. Nagel , T. Rauch , K. Werner

Since its launch, the Alpha Magnetic Spectrometer-02 (AMS-02) has delivered outstanding quality measurements of the spectra of cosmic-ray (CR) species, $\bar{p}$, $e^{\pm}$, and nuclei (H-Si, Fe), which resulted in a number of…

We present Global MOdel for the radio Sky Spectrum (GMOSS) -- a novel, physically motivated model of the low-frequency radio sky from 22 MHz to 23 GHz. GMOSS invokes different physical components and associated radiative processes to…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-19 Mayuri Sathyanarayana Rao , Ravi Subrahmanyan , N Udaya Shankar , Jens Chluba

Automated sky surveys frequently report sparse-in-time multiband photometric observations of asteroids passing through their fields of view. Photometric data are currently available for tens of thousands of asteroids, and new data…

Earth and Planetary Astrophysics · Physics 2026-05-22 Oriel Humes , Jessica Agarwal

Orbit determination of spacecraft in orbit has been mostly dependent on either GNSS satellite signals or ground station telemetry. Both methods present their limitations, however: GNSS signals can only be used effectively in earth orbit,…

Systems and Control · Electrical Eng. & Systems 2022-09-13 Pedro Rocha Cachim , João Gomes , Rodrigo Ventura

While the data analysis of $\gamma$-ray telescopes has now become more robust, some signals may be misinterpretations of a time-variable foreground emission from the Solar System, induced by low-energy cosmic-ray interactions with…

High Energy Astrophysical Phenomena · Physics 2023-10-13 Thomas Siegert

Recent observational and theoretical results suggest that Short-duration Gamma-Ray Bursts (SGRBs) are originated by the merger of compact binary systems of two neutron stars or a neutron star and a black hole. The observation of SGRBs with…

Cosmology and Nongalactic Astrophysics · Physics 2013-04-10 Carlo Enrico Petrillo , Alexander Dietz , Marco Cavaglià

Fragments of small solar system bodies entering Earth's atmosphere have possibly been important contributors of organic compounds to the early Earth. The cyano radical (CN) emission from meteors is considered as potentially one of the most…

For several decades now, wide-field coded mask cameras have been used with success to localise Gamma-ray bursts (GRBs). In these instruments, the event count rate is dominated by the photon background due to their large field of view and…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 O. Godet , P. Sizun , D. Barret , P. Mandrou , B. Cordier , S. Schanne , N. Remoue

Measurements of visible and near-infrared reflection (0.38-5 {\mu}m) and mid to far infrared emission (5-200 {\mu}m) from telescope and satellite remote sensing instruments make it possible to investigate the composition of planetary…

Earth and Planetary Astrophysics · Physics 2021-03-08 Jessica A. Arnold , Alycia J. Weinberger , George Cody , Gorden Videen , Olga Muñoz

The atmospheres of hot rocky exoplanets (HREs), should they persist, are products of interactions with underlying magma oceans. Spectra collected by the James Webb Space Telescope (JWST) hint at a CO/CO$_2$-rich atmosphere on the HRE 55…

Earth and Planetary Astrophysics · Physics 2025-09-18 Fabian L. Seidler , Paolo A. Sossi , Dan J. Bower , Brice-Olivier Demory

The WD 1145+017 system shows irregular transit features that are consistent with the tidal disruption of differentiated asteroids with bulk densities $< 4$ g cm$^{-3}$ and bulk masses $\lesssim 10^{21}$ kg (Veras et al., 2017;…

Earth and Planetary Astrophysics · Physics 2020-05-06 Girish M. Duvvuri , Seth Redfield , Dimitri Veras

We present the constraints on the cosmological parameters obtained with the $E_{\rm peak}$--$E_{\gamma}$ correlation found with the most recent sample of 19 GRBs with spectroscopically measured redshift and well determined prompt emission…

Astrophysics · Physics 2009-11-11 G. Ghirlanda , G. Ghisellini , C. Firmani , L. Nava , F. Tavecchio , D. Lazzati

The aim of this paper is to present an analytical relationship between the power spectral density of GRACE-like mission measurements and the accuracies of the gravity field coefficients mainly from the point of view of theory of signal and…

Geophysics · Physics 2016-09-29 Lin Cai , Zebing Zhou , Qiong Li , Zhicai Luo , Houtse Hsu

The Near Earth Asteroid Rendezvous-Shoemaker ("NEAR") spacecraft orbited and ultimately landed on the near-Earth asteroid 433 Eros. One of the primary science objectives of NEAR was the MAG experiment, which measured the magnetic field in…

Earth and Planetary Astrophysics · Physics 2018-09-11 Niraj K. Inamdar

We report the comparison between unresolved reflectance spectroscopy of Solar System small bodies and laboratory measurements on reference surfaces. We measure the bidirectional reflectance spectroscopy of a powder of howardite and a…

Earth and Planetary Astrophysics · Physics 2022-01-12 S. M. Potin , S. Douté , B. Kugler , F. Forbes

Tetrahedral configurations of spacecraft on unperturbed heliocentric orbits allow for highly precise observations of small spatial changes in the gravitational field, especially those affecting the gravity gradient tensor (GGT). The…

General Relativity and Quantum Cosmology · Physics 2024-04-26 Slava G. Turyshev , Sheng-wey Chiow , Nan Yu