Characterizing the Discovery of a New Trans-Neptunian Object Binary in a Trailed Point-spread Function Search

نویسندگان

چکیده

The Latitude Density Search utilized the Hyper Suprime-Cam on Subaru Telescope to discover 60 moving objects in outer solar system, 54 of which have semimajor axes beyond 30 au. images were acquired exceptional seeing (04) and reached a detection limit mr ≃ 25.2. two night arcs used calculate orbits that are poorly constrained; however, distance inclination parameters best constrained by short arcs, reasonable determination can be made cold classical trans-Neptunian (TNOs) dynamically excited. We identify 10 as likely objects. searched all detections for binary sources using trailed point-spread function (PSF) subtraction method identified one object with separation 034 secondary 17% brightness primary (2.0 magnitudes fainter). This is brightest TNO sample, previously known (471165) 2010 HE79, has excited orbit. Because excellent seeing, this search was sensitive secondaries ≥50% seven objects, including classical. gives an intrinsic fraction % (one six) within our limits. PSF binaries, fit components, determine sensitivity limits useful tool could more broadly applied TNOs track orbits.

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ژورنال

عنوان ژورنال: The planetary science journal

سال: 2021

ISSN: ['2632-3338']

DOI: https://doi.org/10.3847/psj/ac0e29