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Observation datasets acquired by the Hyper Suprime-Cam (HSC) on the Subaru Telescope for NASA's New Horizons mission target search were analyzed through a method devised by JAXA. The method makes use of Field Programmable Gate arrays and…

We present relative positions of visual binaries observed during 2009 with the FastCam "lucky-imaging" camera at the 1.5-m Carlos Sanchez Telescope (TCS) at the Observatorio del Teide. We obtained 424 CCD observations (averaged in 198 mean…

Solar and Stellar Astrophysics · Physics 2015-05-30 F. M. Rica , R. Barrena , G. Vazquez , J. A. Henriquez , F. Hernandez

We have used the NICMOS NIC1 camera on the Hubble Space Telescope to obtain high angular resolution images of 51 ultracool dwarfs in the immediate Solar Neighbourhood. Nine systems are resolved as binary, with component separations from 1.5…

Astrophysics · Physics 2008-11-26 I. N. Reid , E. Lewitus , P. R. Allen , Kelle L. Cruz , Adam J. Burgasser

The Latitude Density Search utilized Hyper Suprime-Cam on Subaru Telescope to discover 60 moving objects in the outer Solar System, 54 of which have semi-major axes beyond 30 AU. The images were acquired in exceptional seeing (0.4") and…

Earth and Planetary Astrophysics · Physics 2021-05-07 Rosemary E. Pike , Jayatee Kanwar , Mike Alexandersen , Ying-Tung Chen , Megan E. Schwamb

Radial-velocity measurements and sine-curve fits to the orbital radial velocity variations are presented for ten close binary systems: TZ Boo, VW Boo, EL Boo, VZ CVn, GK Cep, RW Com, V2610 Oph, V1387 Ori, AU Ser, and FT UMa. Our…

Radial-velocity measurements and sine-curve fits to the orbital velocity variations are presented for the fourth set of ten close binary systems: 44 Boo, FI Boo, V2150 Cyg, V899 Her, EX Leo, VZ Lib, SW Lyn, V2377 Oph, Anon Psc (GSC 8-324),…

Astrophysics · Physics 2009-11-06 W. Lu , S. M. Rucinski , Waldemar Ogloza

We present results from a high-angular-resolution survey of 78 very low mass (VLM) binary systems with 6.0 <= V-K colour <= 7.5 and proper motion >= 0.15 arcsec/yr. 21 VLM binaries were detected, 13 of them new discoveries. The new binary…

Astrophysics · Physics 2009-11-13 N. M. Law , S. T. Hodgkin , C. D. Mackay

The 5:3 and 7:4 mean motion resonances of Neptune are at 42.3 and 43.7 au, respectively, and overlap with objects in the Classical trans-neptunian belt (Kuiper belt). We report the complete/partial lightcurves of 13 and 14 trans-Neptunian…

Earth and Planetary Astrophysics · Physics 2024-02-09 Audrey Thirouin , Scott S. Sheppard

Radial velocity measurements and simple sine-curve fits to the orbital velocity variations are presented for the third set of ten contact binary systems: CN And, HV Aqr, AO Cam, YY CrB, FU Dra, RZ Dra, UX Eri, RT LMi, V753 Mon, OU Ser. All…

Astrophysics · Physics 2009-10-31 Slavek M. Rucinski , Wenxian Lu , Stefan W. Mochnacki

Binaries in the Kuiper Belt are common. Here we present our analysis of the Solar System Origins Legacy Survey (SSOLS) to show that using a PSF-fitting method can roughly double the number of binaries identified in that dataset. Out of 198…

Earth and Planetary Astrophysics · Physics 2024-06-06 Simon B. Porter , Susan D. Benecchi , Anne J. Verbiscer , W. M. Grundy , Keith S. Noll , Alex H. Parker

The non-resonant Kuiper belt objects (KBOs) between the 3:2 and 2:1 Neptunian mean motion resonances can be largely divided between a cold classical belt (CCB) and a hot classical belt (HCB). A notable difference between these two…

Earth and Planetary Astrophysics · Physics 2021-07-07 Lukas R Stone , Nathan A Kaib

In this letter, we call attention to a gap in binaries in the Kuiper belt in the mass range between $\approx$10$^{19}$-10$^{20}$ kg, with a corresponding dearth in binaries between 4th and 5th absolute magnitude $H$. The low-mass end of the…

Earth and Planetary Astrophysics · Physics 2025-07-15 Wladimir Lyra

We present the first results of the Hubble Wide Field Camera 3 Test of Surfaces in the Outer Solar System (H/WTSOSS). The purpose of this survey was to measure the surface properties of a large number of Kuiper belt objects and attempt to…

Earth and Planetary Astrophysics · Physics 2015-06-04 W. C. Fraser , M. E. Brown

We present updated results of a high-resolution, magnitude limited (Ks<12 mag) imaging survey of nearby low-mass M6.0-M7.5 field stars. The observations were carried out using adaptive optics at the Gemini North, VLT, Keck II, and Subaru…

Astrophysics · Physics 2009-11-10 Nick Siegler , Laird M. Close , Kelle L. Cruz , Eduardo L. Martin , I. Neill Reid

Aims: Detect tertiary components of close binaries from spectroscopy and light curve modelling; investigate light-travel time effect and the possibility of magnetic activity cycles; measure mass-ratios for unstudied systems and derive…

Astrophysics · Physics 2009-11-13 T. Szalai , L. L. Kiss , Sz. Meszaros , J. Vinko , Sz. Csizmadia

A combination of high-resolution and wide-field imaging reveals two binary stars and one triple star system among the sample of the first 11 stars with planets detected by radial velocity variations. High resolution speckle or adaptive…

The dynamically cold component of the Kuiper Belt is host to a population of very widely separated, near-equal mass binary systems. Such binaries, representing the tail of the separation distribution of the more common, more tightly-bound…

Earth and Planetary Astrophysics · Physics 2012-07-04 Alex H. Parker

The paper presents a sample of newly detected eclipsing binaries from the public Kepler data. Orbits and fundamental parameters of 20 unknown eclipsing binaries were determined by modeling of their photometric data. Most of them are…

Solar and Stellar Astrophysics · Physics 2012-07-03 Dinko P. Dimitrov , Diana P. Kjurkchieva , Veselka S. Radeva

We present results of a high angular resolution survey of massive OB stars in the Cygnus OB2 association that we conducted with the Fine Guidance Sensor 1R (FGS1r) on the Hubble Space Telescope. FGS1r is able to resolve binary systems with…

The low-inclination component of the Classical Kuiper Belt is host to a population of extremely widely-separated binaries. These systems are similar to other Trans-Neptunian binaries (TNBs) in that the primary and secondary components of…

Earth and Planetary Astrophysics · Physics 2015-05-30 Alex H. Parker , JJ. Kavelaars , Jean-Marc Petit , Lynne Jones , Brett Gladman , Joel Parker