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The number of asteroids with accurately determined orbits increases fast. The catalogs of asteroid physical observations have also increased, although the number of objects is still smaller than in the orbital catalogs. We developed a new…

Earth and Planetary Astrophysics · Physics 2015-06-18 Andrea Milani , Alberto Cellino , Zoran Knezevic , Bojan Novakovic , Federica Spoto , Paolo Paolicchi

We present a new classification of families identified among the population of high-inclination asteroids. We computed synthetic proper elements for a sample of 18,560 numbered and multi-opposition objects having sine of proper inclination…

Earth and Planetary Astrophysics · Physics 2012-07-04 Bojan Novakovic , Alberto Cellino , Zoran Knezevic

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.…

The NEOWISE dataset offers the opportunity to study the variations in albedo for asteroid classification schemes based on visible and near-infrared observations for a large sample of minor planets. We have determined the albedos for nearly…

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

We study the surface composition of asteroids with visible and/or infrared spectroscopy. For example, asteroid taxonomy is based on the spectral features or multiple color indices in visible and near-infrared wavelengths. The composition of…

Earth and Planetary Astrophysics · Physics 2023-11-21 Nanping Luo , Xiaobin Wang , Shenghong Gu , Antti Penttilä , Karri Muinonen , Yisi Liu

Context. The populations of small bodies of the Solar System (asteroids, comets, Kuiper-Belt objects) are used to constrain the origin and evolution of the Solar System. Both their orbital distribution and composition distribution are…

Earth and Planetary Astrophysics · Physics 2021-08-13 A. V. Sergeyev , B. Carry

We analyze 1187 observations of about 860 unique candidate Jovian Trojan asteroids listed in the 3rd release of Sloan Digital Sky Survey (SDSS) Moving Object Catalog. The sample is complete at the faint end to r=21.2 mag (apparent…

Astrophysics · Physics 2009-11-13 Gy. M. Szabo , Z. Ivezic , M. Juric , R. Lupton

(Abridged) This paper explores the use of k-means clustering as a tool for automated unsupervised classification of massive stellar spectral catalogs. The classification criteria are defined by the data and the algorithm, with no prior…

Solar and Stellar Astrophysics · Physics 2015-06-12 J. Sanchez Almeida , C. Allende Prieto

We explore the correlation between an asteroid's taxonomy and photometric phase curve using the H, G12 photometric phase function, with the shape of the phase function described by the single parameter G12. We explore the usability of G12…

Earth and Planetary Astrophysics · Physics 2015-06-04 D. A. Oszkiewicz , E. Bowell , L. H. Wasserman , K. Muinonen , A. Penttilä , T. Pieniluoma , D. E. Trilling , C. A. Thomas

We positionally correlate asteroids from existing catalogs with a sample of $\about$18,000 asteroids detected by the Sloan Digital Sky Survey (SDSS, Ivezi\'{c} {\em et al.} 2001). We find 2641 unique matches, which represent the largest…

Astrophysics · Physics 2008-11-26 M. Juric , Z. Ivezic , H. R. Lupton , T. Quinn , S. Tabachnik

The nature and origin of the asteroids orbiting in near-Earth space, including those on a potentially hazardous trajectory, is of both scientific interest and practical importance. We aim here at determining the taxonomy of a large sample…

Earth and Planetary Astrophysics · Physics 2016-02-24 Benoit Carry , Enrique Solano , Siegfried Eggl , Francesca E. DeMeo

We present ultraviolet photometry (NUV band, 180--280 nm) of 405 asteroids observed serendipitously by the Galaxy Evolution Explorer (GALEX) from 2003--2012. All asteroids in this sample were detected by GALEX at least twice. Unambiguous…

Earth and Planetary Astrophysics · Physics 2015-08-19 Adam Waszczak , Eran O. Ofek , Shrinivas R. Kulkarni

Using albedos from WISE/NEOWISE to separate distinct albedo groups within the Main Belt asteroids, we apply the Hierarchical Clustering Method to these subpopulations and identify dynamically associated clusters of asteroids. While this…

Earth and Planetary Astrophysics · Physics 2015-06-15 Joseph R. Masiero , A. K. Mainzer , J. M. Bauer , T. Grav , C. R. Nugent , R. Stevenson

We describe an accurate new method for determining absolute magnitudes, and hence also K-corrections, which is simpler than most previous methods, being based on a quadratic function of just one suitably chosen observed color. The method…

Astrophysics of Galaxies · Physics 2015-06-23 Richard Beare , Michael Brown , Kevin Pimbblet

We present the spectra of 60 asteroids, including 47 V-types observed during the first phase of the Adler V-Type Asteroid (AVAST) Survey. SDSS photometry was used to select candidate V-type asteroids for follow up by nature of their very…

Earth and Planetary Astrophysics · Physics 2015-06-04 Michael Solontoi , Mark Hammergren , Geza Gyuk , Andrew Puckett

Distinguishing active galaxies from star-forming galaxies is essential for understanding galaxy evolution. Diagnostic methods like the BPT (Baldwin, Phillips, and Terlevich) diagram use optical emission-line ratios to separate galaxies.…

Astrophysics of Galaxies · Physics 2026-03-26 Farideh Mazoochi , Reihaneh Karimi , Mohammad Hossein Zhoolideh Haghighi , Fatemeh Tabatabaei

There is a great deal of scientific interest in characterizing the basaltic asteroids (spectrally classified as V-types), as they are the key to understanding planetesimal formation and evolution in the early Solar System. These have long…

Earth and Planetary Astrophysics · Physics 2022-12-07 Dagmara Oszkiewicz , Hanna Klimczak , Benoit Carry , Antti Penttila , Marcel Popescu , Joahim Kruger , Marcelo Aron Keniger

We present 5 filter photometry of 21 carbon stars, 15 asteroids, 15 cataclysmic variables, 6 metal-poor stars, 5 Cepheids, 1775 field stars, blue horizontal branch (BHB) stars and RR Lyrae stars in the globular clusters M 15 and M 2, two…

Astrophysics · Physics 2015-06-24 Kevin Krisciunas , Bruce Margon , Paula Szkody

We report on our search for genetically related asteroids amongst the near-Earth object (NEO) population - families of NEOs akin to the well known main belt asteroid families. We used the technique proposed by Fu et al. (2005) supplemented…

Earth and Planetary Astrophysics · Physics 2012-07-05 Eva Schunova , Mikael Granvik , Robert Jedicke , Giovanni Gronchi , Richard Wainscoat , Shinsuke Abe

We report on the serendipitous observations of Solar System objects imaged during the High cadence Transient Survey (HiTS) 2014 observation campaign. Data from this high cadence, wide field survey was originally analyzed for finding…