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Related papers: Absolute colors and phase coefficients of asteroid…

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Context. Phase curves of small bodies are useful tools to obtain their absolute magnitudes and phase coefficients. The former relates to the object's apparent brightness, while the latter relates to how the light interacts with the surface.…

The study of the visible colours of the trans-Neptunian objects opened a discussion almost 20 years ago which, in spite of the increase in the amount of available data, seems far from subside. Visible colours impose constraints to the…

Earth and Planetary Astrophysics · Physics 2019-07-17 Alvaro Alvarez-Candal , Carmen Ayala-Loera , Ricardo Gil-Hutton , José Luis Ortiz , Pablo Santos-Sanz , René Duffard

Asteroid phase curves are used to derive fundamental physical properties through the determination of the absolute magnitude H. The upcoming visible Legacy Survey of Space and Time (LSST) and mid-infrared Near-Earth Object Surveillance…

Earth and Planetary Astrophysics · Physics 2020-09-30 M. Mahlke , B. Carry , L. Denneau

Extensive photometric surveys are and will continue producing massive amounts of data on small bodies. Usually, these data will be sparsely obtained at arbitrary (and unknown)rotational phases. Therefore, new methods to process such data…

Earth and Planetary Astrophysics · Physics 2022-01-19 A. Alvarez-Candal , P. G. Benavidez , A. Campo Bagatin , T. Santana-Ros

The trans-Neptunian objects (TNOs) are small Solar System bodies at large distances from the Sun. As such, their physical properties are difficult to measure. Accurate determination of their physical parameters is essential to model and…

Earth and Planetary Astrophysics · Physics 2018-09-05 C. Ayala-Loera , A. Alvarez-Candal , J. L. Ortiz , R. Duffard , E. Fernández-Valenzuela , P. Santos-Sanz , N. Morales

Context: Accurate measurements of diameters of trans-Neptunian objects are extremely complicated to obtain. Thermal modeling can provide good results, but accurate absolute magnitudes are needed to constrain the thermal models and derive…

Earth and Planetary Astrophysics · Physics 2016-02-17 A. Alvarez-Candal , N. Pinilla-Alonso , J. L. Ortiz , R. Duffard , N. Morales , P. Santos-Sanz , A. Thirouin , J. S. Silva

We present a comprehensive photometric study of trans-Neptunian objects (TNOs) by combining data from SDSS, Col-OSSOS, DES, and the recent Rubin First Look (RFL) data. Our database comprises 43 677 measurements in the u, g, r, i, and z…

Earth and Planetary Astrophysics · Physics 2026-04-09 Milagros Colazo , Alvaro Alvarez-Candal

Sparse and serendipitous asteroid photometry obtained by wide field surveys such as the Asteroid Terrestrial-impact Last Alert System (\ATLAS) is a valuable resource for studying the properties of large numbers of small Solar System bodies.…

We have measured the solar phase curves in B, V, and I for 18 Trans-Neptunian Objects, 7 Centaurs, and Nereid and determined the rotation curves for 10 of these targets. For each body, we have made ~100 observations uniformly spread over…

Astrophysics · Physics 2008-11-26 David L. Rabinowitz , Bradley E. Schaefer , Suzanne W. Tourtellotte

The Kuiper belt objects, the Centaurs, and the Jupiter-family comets form an evolutionary continuum of small outer Solar System objects, and their study allows us to gain insight into the history and evolution of the Solar System. Broadband…

We are in an era of large catalogs and, thus, statistical analysis tools for large data sets, such as machine learning, play a fundamental role. One example of such a survey is the Sloan Moving Object Catalog (MOC), which lists the…

Earth and Planetary Astrophysics · Physics 2022-10-12 M. Colazo , A. Alvarez-Candal , R. Duffard

Context. Small bodies change their brightness due to different motives: Rotation along their axis or axes, combined with irregular shapes and/or changing surface properties, or changes in the geometry of observations. In this work, we…

Earth and Planetary Astrophysics · Physics 2024-05-01 Alvaro Alvarez-Candal

Trans-Neptunian objects and Centaurs are small solar system bodies that reside in the outer parts of the solar system. These objects present photometric behaviours that are influenced due to a change in their aspect angle. Using absolute…

Earth and Planetary Astrophysics · Physics 2022-02-08 Estela Fernández-Valenzuela

We determined phase curves for 301,272 asteroids in the orange filter and 280,953 in the cyan filter from the latest ATLAS Solar System Catalog V2 (SSCAT-2). Among them, 3,345 and 492 asteroids in the orange and cyan filters, respectively,…

A trending astronomical phenomenon to study is the variation in brightness of asteroids, caused by its rotation on its own axis, non-spherical shapes, changes of albedo along its surface and its position relative to the sun. The latter…

Earth and Planetary Astrophysics · Physics 2021-03-12 Milagros Colazo , Juan Cabral , Martin Chalela , Bruno Sanchez

Most asteroids are somewhat elongated and have non-zero lightcurve amplitudes. Such asteroids can be detected in large-scale sky surveys even if their mean magnitudes are fainter than the stated sensitivity limits. We explore the detection…

Earth and Planetary Astrophysics · Physics 2021-05-21 Samuel Navarro-Meza , Erin Aadland , David Trilling

Near-Earth Asteroids (NEAs) with small perihelion distances reach sub-solar temperatures of > 1000 K. They are hypothesized to undergo "super-catastrophic" disruption, potentially caused by near-Sun processes such as thermal cracking,…

Thermal infrared observations are the most effective way to measure asteroid diameter and albedo for a large number of near-Earth objects. Major surveys like NEOWISE, NEOSurvey, ExploreNEOs, and NEOLegacy find a small fraction of high…

Trans-Neptunian objects (TNOs) contain the most primitive and thermally least-processed materials from the early accretional phase of the solar system. They allow us to study interrelations between various classes of small bodies, their…

Astrophysics · Physics 2009-11-13 S. Bagnulo , I. Belskaya , K. Muinonen , G. P. Tozzi , M. A. Barucci , L. Kolokolova , S. Fornasier

The linear polarization degree (referred to the scattering plane, P_r) as a function of the solar phase angle, {\alpha}, of solar system objects is a good diagnostic to understand the scattering properties of their surface materials. We…

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