2024-08-16T07:32:04Z Ultracool Dwarf Companion Catalogue UCDC The Ultracool Dwarf Companion Catalogue consists of 278 multiple systems, 32 of which are newly discovered, each with at least one spectroscopically confirmed Ultracool Dwarf, within a 100 pc volume-limited sample. This catalogue is compiled using the Gaia Catalogue of Nearby Stars for stellar primaries and the Gaia Ultracool Dwarf Sample for low-mass companions and includes 241 doubles, 33 triples, and 4 higher-order systems established from positional, proper motion, and parallax constraints. astrometric-binary-stars brown-dwarfs catalogs Baig, Sayan; Smart, R. L.; Jones, Hugh R.A.; Gagné, Jonathan; Pinfield, D.J.; Cheng, Gemma; Moranta, Leslie https://arxiv.org/abs/2408.07024 Research Catalog Optical NIR 3250[Angstrom] 1000[nm] UCDC cone 351.3962115 46.13589856 0.001 cone/scs.xml row = self.getFirstVOTableRow() self.assertEqual(row["pm_ref"], "2018A&A...616A...1G") self.assertEqual(row["age"], None) self.assertEqual(row["short_name"], "J2325+4608B")