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Related papers: Asteroid Photometry with PIRATE: Optimizations and…

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We show that candidate contact binary asteroids can be efficiently identified from sparsely sampled photometry taken at phase angles >60deg. At high phase angle, close/contact binary systems produce distinctive lightcurves that spend most…

Astrophysics · Physics 2009-11-13 Pedro Lacerda

We suggest the all-sky survey at the International Space Station by four little wide-angle telescopes with polarization filters and CCD-arrays spread by several meters one from another. The video information processing will be carried out…

A major science goal of future, large-aperture, optical space telescopes is to directly image and spectroscopically analyze reflected light from potentially habitable exoplanets. To accomplish this, the optical system must suppress…

Instrumentation and Methods for Astrophysics · Physics 2019-01-15 Manxuan Zhang , Garreth Ruane , Jacques-Robert Delorme , Dimitri Mawet , Nemanja Jovanavic , Jeffrey Jewell , Stuart Shaklan , J. Kent Wallace

Context: We use phase curves of small bodies to measure absolute magnitudes and, together with complementary theoretical and laboratory results, to understand their surfaces' micro and macroscopic properties. Although we can observe…

Earth and Planetary Astrophysics · Physics 2022-11-09 A. Alvarez-Candal , S. Jiménez Corral , M. Colazo

The onset of the asymmetry in planetary nebulae (PNe) occurs during the short transition between the end of the asymptotic giant branch (AGB) phase and the beginning of the PN phase. Sources in this transition phase are compact and emit…

Solar and Stellar Astrophysics · Physics 2015-06-19 Mónica W. Blanco Cárdenas , Hans U. Käufl , Martín A. Guerrero , Luis F. Miranda , Andreas Seifahrt

Radial velocities measured from near-infrared spectra are a potentially powerful tool to search for planets around cool stars and sub-stellar objects. However, no technique currently exists that yields near-infrared radial velocity…

Earth and Planetary Astrophysics · Physics 2014-11-20 Jacob L. Bean , Andreas Seifahrt , Henrik Hartman , Hampus Nilsson , Guenter Wiedemann , Ansgar Reiners , Stefan Dreizler , Todd J. Henry

We use the lightcurve inversion method to derive new shape models and spin states of asteroids from the sparse-in-time photometry compiled in the Lowell Photometric Database. To speed up the time-consuming process of scanning the period…

Earth and Planetary Astrophysics · Physics 2016-02-17 J. Durech , J. Hanus , D. Oszkiewicz , R. Vanco

The Wide-field Infrared Survey Explorer and NEOWISE missions are a key source of thermal data for near-Earth asteroids (NEAs). These missions, which utilized a space-based platform in Earth orbit, produced thermal images across four…

Atom probe tomography (APT) is routinely used for analyzing property-enhancing particles in the nanometer-size range and below, and plays a prominent role in the analysis of solute clusters. However, the question of how well these small…

Materials Science · Physics 2020-02-25 Frédéric De Geuser , Baptiste Gault

Phase curves of asteroids are typically considered to depend solely on the scattering properties of airless particulate surfaces and the size of the object being studied. In this study, we demonstrate the additional dependence of phase…

Earth and Planetary Astrophysics · Physics 2022-04-27 Samuel L. Jackson , Benjamin Rozitis , Lord R. Dover , Simon F. Green , Ulrich C. Kolb , Allison E. Andrews , Stephen C. Lowry

The intra-night trajectories of asteroids can be approximated by straight lines, and so are their intra-night detections. Therefore, the Hough transform, a line detecting algorithm, can be used to connect the line-up detections to find…

In the field of planet and proto-planetary disk detection, achieving high angular resolution and high dynamic range is a necessity. Coronography coupled with adaptive optics on Hubble Space Telescope is a way to get both good spatial…

Astrophysics · Physics 2007-05-23 Fabien Malbet , Michael Shao , Jeffrey Yu

We present the design of the prototype telescope and spectrograph system for the Affordable Multiple Aperture Spectroscopy Explorer (AMASE) project. AMASE is a planned project that will pair 100 identical multi-fiber spectrographs with a…

We investigate the limits of ground-based astrometry with adaptive optics using the core of the Galactic globular cluster M5. Adaptive optics systems provide near diffraction-limit imaging with the world's largest telescopes. The…

Astrophysics · Physics 2009-11-13 P. B. Cameron , M. C. Britton , S. R. Kulkarni

High-precision astrometry can identify exoplanets and measure their orbits and masses, while coronagraphic imaging enables detailed characterization of their physical properties and atmospheric compositions through spectroscopy. In a…

Using a fully autonomous spacecraft - Bering - we propose to detect and study sub-km asteroids from an orbit within the asteroid Main Belt. The main purpose of the proposed Bering mission is to detect a statistically significant sample of…

Asteroid shape inversion using photometric data has been a key area of study in planetary science and astronomical research.However, the current methods for asteroid shape inversion require extensive iterative calculations, making the…

Earth and Planetary Astrophysics · Physics 2025-04-02 YiJun Tang , ChenChen Ying , ChengZhe Xia , XiaoMing Zhang , XiaoJun Jiang

Two dedicated asteroid rotation-period surveys have been carried out using data taken on January 6-9 and February 20-23 of 2014 by the Intermediate Palomar Transient Factory (iPTF) in the $R$~band with $\sim 20$-min cadence. The total…

This study evaluates a technique for determining the mass of a potentially hazardous asteroid from a high-speed flyby in the context of a rapid reconnaissance planetary defense scenario. We consider a host spacecraft that dispenses a small…

Instrumentation and Methods for Astrophysics · Physics 2026-03-10 Justin A. Atchison , Gael Cascioli , Anivid Pedros-Faura , Erwan Mazarico , Rylie A. Bull , Jay McMahon , Evan J. Smith , Daniel R. Cremons

We present results of polarimetric, photometric, and spectral observations of the near-Earth asteroid (3200) Phaethon carried out at the 6-m BTA telescope of the Special Astrophysical Observatory and the 2.6-m and 1.25-m telescopes of the…

Earth and Planetary Astrophysics · Physics 2022-07-06 N. Kiselev , V. Rosenbush , D. Petrov , I. Luk'yanyk , O. V. Ivanova , N. V. Pit , K. A. Antoniuk , V. L. Afanasiev
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