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We demonstrate the efficiency and effectiveness of using a satellite-based sensor with visual and infrared focal plane arrays to search for NEAs with orbits largely interior to the Earth's orbit. Such a space-based system could detect…

Astrophysics · Physics 2009-10-31 E. F. Tedesco , K. Muinonen , S. D. Price

We report 491 new near-infrared spectroscopic measurements of 420 near-Earth objects (NEOs) collected on the NASA InfraRed Telescope Facility (IRTF) as part of the MIT-Hawaii NEO Spectroscopic Survey (MITHNEOS). These measurements were…

Asteroids are an indelible part of most astronomical surveys though only a few surveys are dedicated to their detection. Over the years, high cadence microlensing surveys have amassed several terabytes of data while scanning primarily the…

Earth and Planetary Astrophysics · Physics 2023-02-03 Preeti Cowan , Ian A. Bond , Napoleon H. Reyes

Ground-based astronomical observations at thermal infrared wavelengths face the problem of extracting the weak astronomical signal from the large and rapidly variable background flux. The observing strategy most commonly used, the so-called…

Astrophysics · Physics 2009-10-31 M. Bertero , P. Boccacci , M. Robberto

(Abridged) The Long Wavelength Spectrometer (LWS) onboard the Infrared Space Observatory (ISO) observed the four large main-belt asteroids (1) Ceres, (2) Pallas, (4) Vesta, and (10) Hygiea multiple times. The photometric and spectroscopic…

Earth and Planetary Astrophysics · Physics 2009-11-13 Felix Hormuth , Thomas G. Müller

We present results on the emission-line properties of z=1.4-7.5 star-forming galaxies in the Assembly of Ultradeep Rest-optical Observations Revealing Astrophysics (AURORA) Cycle 1 JWST/NIRSpec program. Based on its depth, continuous…

Using data from the WISE All-Sky Survey, we have found >100 new infrared excess sources around main-sequence Hipparcos stars within 75pc. Our empirical calibration of WISE photospheric colors and removal of non-trivial false-positive…

Solar and Stellar Astrophysics · Physics 2016-02-03 Rahul Patel , Stanimir Metchev , Aren Heinze , Joseph Trollo

The precise astrometric observation of small near-Earth objects (NEOs) is an important observational research topic in the astrometric discipline, which greatly promotes multidisciplinary research, such as the origin and evolution of the…

Instrumentation and Methods for Astrophysics · Physics 2021-12-01 Yigong Zhang , Jiancheng Wang , Jie Su , Xiangming Cheng , Zhenjun Zhang

Near-infrared spectroscopy of Near-Earth Objects (NEOs) connects diagnostic spectral features to specific surface mineralogies. The combination of spectroscopy with albedos and diameters derived from thermal infrared observations can…

Earth and Planetary Astrophysics · Physics 2015-06-17 Cristina A. Thomas , Joshua P. Emery , David E. Trilling , Marco Delbo , Joseph L. Hora , Michael Mueller

The time-series component of WISE is a valuable resource for the study of variable objects. We present an analysis of an all-sky sample of ~450,000 AllWISE+NEOWISE infrared light curves of likely variables identified in AllWISE. By…

Solar and Stellar Astrophysics · Physics 2021-04-06 Evan Petrosky , Hsiang-Chih Hwang , Nadia L. Zakamska , Vedant Chandra , Matthew J. Hill

In planetary science, surface roughness is regarded to be a measure of surface irregularity at small spatial scales, and causes the thermal-infrared beaming effect (i.e. re-radiation of absorbed sunlight back towards to the Sun). Typically,…

Earth and Planetary Astrophysics · Physics 2016-09-23 Ben Rozitis

We have combined the NEOWISE and Sloan Digital Sky Survey data to study the albedos of 24,353 asteroids with candidate taxonomic classifications derived using Sloan photometry. We find a wide range of moderate to high albedos for candidate…

Earth and Planetary Astrophysics · Physics 2015-05-30 A. Mainzer , J. Masiero , T. Grav , J. Bauer , D. J. Tholen , R. S. McMillan , E. Wright , T. Spahr , R. M. Cutri , R. Walker , W. Mo , J. Watkins , E. Hand , C. Maleszewski

We studied the Near-Earth Asteroid (NEA) candidates posted on the Minor Planet Center's Near-Earth Object Confirmation Page (NEOCP) between years 2013 and 2016. Out of more than 17,000 NEA candidates, while the majority became either new…

Earth and Planetary Astrophysics · Physics 2018-06-12 Peter Vereš , Matthew J. Payne , Matthew J. Holman , Davide Farnocchia , Gareth V. Williams , Sonia Keys , Ian Boardman

The Gaia spacecraft of the European Space Agency (ESA) has been securing observations of solar system objects (SSOs) since the beginning of its operations. Gaia Data Release 2 (DR2) contains the observations of a selected sample of 14,099…

Earth and Planetary Astrophysics · Physics 2018-08-15 Gaia Collaboration , F. Spoto , P. Tanga , F. Mignard , J. Berthier , B. Carry , A. Cellino

A concept for an Impact Mitigation Preparation Mission, called Don Quijote, is to send two spacecraft to a Near-Earth Asteroid (NEA): an Orbiter and an Impactor. The Impactor collides with the asteroid while the Orbiter measures the…

Earth and Planetary Astrophysics · Physics 2011-07-22 Stephen D. Wolters , Andrew J. Ball , Nigel Wells , Christopher Saunders , Neil McBride

Multi-messenger astronomy is becoming the key to understanding the Universe from a comprehensive perspective. In most cases, the data and the technology are already in place, therefore it is important to provide an easily-accessible package…

Instrumentation and Methods for Astrophysics · Physics 2015-12-07 M. Pilia , A. Trois , A. P. Pellizzoni , M. Bachetti , G. Piano , A. Poddighe , E. Egron , M. N. Iacolina , A. Melis , R. Concu , A. Possenti , D. Perrodin

The known near-Earth object (NEO) population consists of over 32,000 objects, with a yearly discovery rate of over 3000 NEOs per year. An essential component of the next generation of NEO surveys is an understanding of the population of…

Earth and Planetary Astrophysics · Physics 2023-11-01 Tommy Grav , Amy K. Mainzer , Joseph R. Masiero , Dar W. Dahlen , Tim Spahr , William F. Bottke , Frank J. Masci

Near Earth Objects (NEOs) are a transient population of small bodies with orbits near or in the terrestrial planet region. They represent a mid-stage in the dynamical cycle of asteroids and comets, which starts with their removal from the…

Binary systems comprise approximately 15 per cent of the near-Earth asteroid population, yet thermal-infrared data are often interpreted for these bodies as if they are single objects. Thermal-IR light curves of binary asteroids (3905)…

Earth and Planetary Astrophysics · Physics 2024-09-20 Samuel L. Jackson , Benjamin Rozitis
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