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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…

In recent decades, large-scale sky surveys such as Sloan Digital Sky Survey (SDSS) have resulted in generation of tremendous amount of data. The classification of this enormous amount of data by astronomers is time consuming. To simplify…

Instrumentation and Methods for Astrophysics · Physics 2022-11-02 Sarvesh Gharat , Yogesh Dandawate

We present the first results from SWARMS (Sloan White dwArf Radial velocity data Mining Survey), an ongoing project to identify compact white dwarf (WD) binaries in the spectroscopic catalog of the Sloan Digital Sky Survey. The first object…

Solar and Stellar Astrophysics · Physics 2014-11-20 Carles Badenes , Fergal Mullally , Susan E. Thompson , Robert H. Lupton

With the NEOWISE portion of the \emph{Wide-field Infrared Survey Explorer} (WISE) project, we have carried out a highly uniform survey of the near-Earth object (NEO) population at thermal infrared wavelengths ranging from 3 to 22 $\mu$m,…

Space Debris (SD) consist of non-operational artificial objects orbiting around the Earth, which could possibly damage space vehicles, such as the International Space Station (ISS) or other manned spacecrafts. The vast majority of such…

Fixed-radius near neighbor search is a fundamental data operation that retrieves all data points within a user-specified distance to a query point. There are efficient algorithms that can provide fast approximate query responses, but they…

Information Retrieval · Computer Science 2024-01-30 Xinye Chen , Stefan Güttel

The Sloan Digital Sky Survey (SDSS) will provide a complete imaging and spectroscopic survey of the high-latitude northern sky. The 2D survey will image the sky in five colors and will contain nearly 5 x 107 galaxies to g ~ 23m. The…

Astrophysics · Physics 2009-10-28 Neta A. Bahcall

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

Studies on Near Earth Asteroids (NEAs) throw light on discoveries, identification, orbit prediction and civil alert capabilities, including potential asteroid impact hazards. Due to various new observational programs, the discovery rate of…

Earth and Planetary Astrophysics · Physics 2016-07-21 J. Rukmini , G. Raghavendra , S. A. Ahmed , D. Shanti Priya , Syeda Azeem Unnisa

We present optical spectroscopy and near-infrared photometry of 126 cool white dwarfs in the Sloan Digital Sky Survey (SDSS). Our sample includes high proper motion targets selected using the SDSS and USNO-B astrometry and a dozen…

The near-Earth object (NEO) population is a window into the original conditions of the protosolar nebula, and has the potential to provide a key pathway for the delivery of water and organics to the early Earth. In addition to delivering…

Earth and Planetary Astrophysics · Physics 2018-08-01 S. Ieva , E. Dotto , E. Mazzotta Epifani , D. Perna , A. Rossi , M. A. Barucci , A. Di Paola , R. Speziali , M. Micheli , E. Perozzi , M. Lazzarin , I. Bertini

Upcoming telescopes like the Vera Rubin Observatory (VRO) and the Argus Array will image large fractions of the sky multiple times per night yielding numerous Near Earth Object (NEO) discoveries. When asteroids are measured with short…

Earth and Planetary Astrophysics · Physics 2025-02-13 Maryann Benny Fernandes , Daniel Scolnic , Erik Peterson , Chengxing Zhai , Tyler Linder , Maria Acevedo , Daniel Reichart

The primary observational goals of the Sloan Digital Sky Survey are to obtain CCD imaging of 10,000 deg^2 of the north Galactic cap in five passbands, with a limiting magnitude in the r-band of 22.5, to obtain spectroscopic redshifts of…

Astrophysics · Physics 2007-05-23 M. Bernardi

We present and release co-added images of the Sloan Digital Sky Survey (SDSS) Stripe 82. Stripe 82 covers an area of 300 deg^2 on the Celestial Equator, and has been repeatedly scanned 70-90 times in the ugriz bands by the SDSS imaging…

Assess the joint capabilities of emerging telescopes for near-Earth objects (NEOs) survey and characterization, and what they will add to the current capabilities or replace. NASA telescopes in prime mission, in development, or under study,…

Instrumentation and Methods for Astrophysics · Physics 2019-07-23 S. N. Milam , H. B. Hammel , J. Bauer , M. Brozovic , T. Grav , B. J. Holler , C. Lisse , A. Mainzer , V. Reddy , M. E. Schwamb , T. Spahr , C. A. Thomas , D. Woods

The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will image billions of astronomical objects in the wide-fast-deep primary survey and in a set of minisurveys including intensive observations of a group of deep drilling…

Cosmology and Nongalactic Astrophysics · Physics 2024-11-13 Philippe Gris , Humna Awan , Matthew R. Becker , Huan Lin , Eric Gawiser , Saurabh W. Jha , the LSST Dark Energy Science Collaboration

It is shown that 21 cm intensity mapping could be used in the near term to make cosmologically useful measurements. Large scale structure could be detected using existing radio telescopes, or using prototypes for dedicated redshift survey…

Cosmology and Nongalactic Astrophysics · Physics 2010-10-13 Kiyoshi Wesley Masui , Patrick McDonald , Ue-Li Pen

We describe and present initial results of a weak lensing survey of nearby ($\rm{z}\lesssim0.1$) galaxy clusters in the Sloan Digital Sky Survey (SDSS). In this first study, galaxy clusters are selected from the SDSS spectroscopic galaxy…

Pre-merger localization of binary neutron stars (BNSs) is one of the most important scientific goals for the third generation (3G) gravitational wave (GW) detectors. It will enable the electromagnetic observation of the whole process of BNS…

General Relativity and Quantum Cosmology · Physics 2024-01-02 Qian Hu , John Veitch
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