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The Near-Earth Object (NEO) Surveyor mission is a NASA observatory designed to discover and characterize near-Earth asteroids and comets. The mission's primary objective is to find the majority of objects large enough to cause severe…

Accurate measurements of osculating orbital elements are essential in order to understand and model the complex dynamic behavior of Near Earth Asteroids (NEAs). ESA's Gaia mission promises to have great potential in this respect. In this…

Earth and Planetary Astrophysics · Physics 2014-09-19 Siegfried Eggl , Hadrien Devillepoix

By means of a varied-shape thermophysical model (VS-TPM) of Hanus et al. (2015) that takes into account asteroid shape and pole uncertainties, we analyze the thermal IR data acquired by the NASA's WISE satellite of about 300 asteroids with…

Earth and Planetary Astrophysics · Physics 2018-05-28 Josef Hanus , Marco Delbo , Josef Durech , Victor Ali-Lagoa

We report a detection of a faint near-Earth asteroid (NEA), which was done using our synthetic tracking technique and the CHIMERA instrument on the Palomar 200-inch telescope. This asteroid, with apparent magnitude of 23, was moving at 5.97…

Instrumentation and Methods for Astrophysics · Physics 2014-08-20 Chengxing Zhai , Michael Shao , Bijan Nemati , Thomas A. Werne , Hanying Zhou , Slava G. Turyshev , Jagmit Sandhu , Gregg W. Hallinan , Leon K. Harding

The MICROSCOPE space mission, launched on April 25, 2016, aims to test the weak equivalence principle (WEP) with a 10^-15 precision. To reach this performance requires an accurate and robust data analysis method, especially since the…

Instrumentation and Methods for Astrophysics · Physics 2017-02-01 Sandrine Pires , Joel Bergé , Quentin Baghi , Pierre Touboul , Gilles Métris

Photometric measurements allow the determination of an asteroid's absolute magnitude, which often represents the sole means to infer its size. Photometric observations can be obtained in a variety of filters that can be unique to a specific…

Earth and Planetary Astrophysics · Physics 2024-11-12 Tobias Hoffmann , Marco Micheli , Juan Luis Cano , Maxime Devogèle , Davide Farnocchia , Petr Pravec , Peter Vereš , Björn Poppe

Planetary nebulae (PNe) provide tests of stellar evolution, can serve as tracers of chemical evolution in the Milky Way and other galaxies, and are also used as a calibrator of the cosmological distance ladder. Current and upcoming large…

Solar and Stellar Astrophysics · Physics 2019-07-10 George Vejar , Rodolfo Montez , Margaret Morris , Keivan G. Stassun

Knowledge of water in the solar system is important for understanding of a wide range of evolutionary processes and the thermal history of the solar system. To explore the existence of water in the solar system, it is indispensable to…

Earth and Planetary Astrophysics · Physics 2018-12-26 Fumihiko Usui , Sunao Hasegawa , Takafumi Ootsubo , Takashi Onaka

The surface temperature of an asteroid is fundamental information for the design of an exploration mission and the interpretation of scientific observations. In addition, the thermal radiation of the asteroid causes a non-gravitational…

Earth and Planetary Astrophysics · Physics 2023-09-08 Masanori Kanamaru , Tatsuaki Okada , Hiroki Senshu , Hirohide Demura , Naru Hirata , Yuto Horikawa , Giacomo Tommei

We present revised near-infrared albedo fits of 2835 Main Belt asteroids observed by WISE/NEOWISE over the course of its fully cryogenic survey in 2010. These fits are derived from reflected-light near-infrared images taken simultaneously…

Earth and Planetary Astrophysics · Physics 2015-06-22 Joseph R. Masiero , T. Grav , A. K. Mainzer , C. R. Nugent , J. M. Bauer , R. Stevenson , S. Sonnett

[NIRSS is one of three concepts that contributed to the Wide-Field Infrared Survey Telescope (WFIRST) mission advocated by the Decadal Survey.] Operating beyond the reaches of the Earth's atmosphere, free of its limiting absorption and…

We present new results of the observing program which is a part of the NEOROCKS project aimed to improve knowledge on physical properties of near-Earth Objects (NEOs) for planetary defense. Photometric observations were performed using the…

Exoplanet emission spectra are often modelled assuming that the hemisphere observed is well represented by a horizontally homogenised atmosphere. However this approximation will likely fail for planets with a large temperature contrast in…

Earth and Planetary Astrophysics · Physics 2021-06-04 Jake Taylor , Vivien Parmentier , Patrick G. J. Irwin , Suzanne Aigrain , Elspeth K. H. Lee , Joshua Krissansen-Totton

The all sky surveys done by the Palomar Observatory Schmidt, the European Southern Observatory Schmidt, and the United Kingdom Schmidt, the InfraRed Astronomical Satellite and the 2 Micron All Sky Survey have proven to be extremely useful…

Near Earth Objects (NEOs) are fragments of remnant primitive bodies that date from the era of Solar System formation. At present, the physical properties and origins of NEOs are poorly understood. We have measured thermal emission from…

We present low-resolution near-infrared spectra of discoveries from an all-sky proper motion search conducted using multi-epoch data from the Wide-field Infrared Survey Explorer. Using the data from NEOWISE, along with the AllWISE catalog,…

Solar and Stellar Astrophysics · Physics 2019-10-23 Jennifer J. Greco , Adam C. Schneider , Michael C. Cushing , J. Davy Kirkpatrick , Adam J. Burgasser

Part of the European Near Earth Asteroids Research (EURONEAR) project, in 2014 we started a survey to observe light curves of Near Earth Asteroids (NEAs) using the available telescopes of this network. This is the first paper presenting…

Earth and Planetary Astrophysics · Physics 2018-01-30 A. Aznar Macias , M. Predatu , O. Vaduvescu , J. Oey

Accurate temperature measurements are essential for the proper monitoring and control of industrial furnaces. However, measurement uncertainty is a risk for such a critical parameter. Certain instrumental and environmental errors must be…

Signal Processing · Electrical Eng. & Systems 2022-01-12 Iñigo Martinez , Urtzi Otamendi , Igor G. Olaizola , Roger Solsona , Mikel Maiza , Elisabeth Viles , Arturo Fernandez , Ignacio Arzua

Neural radiance fields (NeRF) has gained significant attention for its exceptional visual effects. However, most existing NeRF methods reconstruct 3D scenes from RGB images captured by visible light cameras. In practical scenarios like…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Chonghao Zhong , Chao Xu

Possible connections between the physical properties of Near-Earth Asteroids (NEA) and their orbital evolution were explored, with emphasis on binary asteroids. Our main starting hypothesis, suggested from the observations, was that the NEA…

Astrophysics · Physics 2007-05-23 Mihailo Cubrovic