Matches in SemOpenAlex for { <https://semopenalex.org/work/W2119900715> ?p ?o ?g. }
- W2119900715 endingPage "1530" @default.
- W2119900715 startingPage "1511" @default.
- W2119900715 abstract "We describe an astrometric and spectroscopic campaign to confirm the youth and association of a complete sample of candidate wide companions in Taurus and Upper Sco. Our survey found 15 new binary systems (three in Taurus and 12 in Upper Sco) with separations of 3''–30'' (500–5000 AU) among all of the known members with masses of 2.5–0.012 M☉. The total sample of 49 wide systems in these two regions conforms to only some expectations from field multiplicity surveys. Higher mass stars have a higher frequency of wide binary companions, and there is a marked paucity of wide binary systems near the substellar regime. However, the separation distribution appears to be log-flat, rather than declining as in the field, and the mass ratio distribution is more biased toward similar-mass companions than the initial mass function or the field G-dwarf distribution. The maximum separation also shows no evidence of a limit at ≲5000 AU until the abrupt cessation of any wide binary formation at system masses of ∼0.3 M☉. We attribute this result to the post-natal dynamical sculpting that occurs for most field systems; our binary systems will escape to the field intact, but most field stars are formed in denser clusters and undergo significant dynamical evolution. In summary, only wide binary systems with total masses ≲0.3 M☉ appear to be unusually wide." @default.
- W2119900715 created "2016-06-24" @default.
- W2119900715 creator A5013321503 @default.
- W2119900715 creator A5084755116 @default.
- W2119900715 date "2009-09-10" @default.
- W2119900715 modified "2023-10-17" @default.
- W2119900715 title "UNUSUALLY WIDE BINARIES: ARE THEY WIDE OR UNUSUAL?" @default.
- W2119900715 cites W1598072917 @default.
- W2119900715 cites W1887673336 @default.
- W2119900715 cites W1965355273 @default.
- W2119900715 cites W1966720116 @default.
- W2119900715 cites W1970245445 @default.
- W2119900715 cites W1971729301 @default.
- W2119900715 cites W1972744752 @default.
- W2119900715 cites W1973081717 @default.
- W2119900715 cites W1973539549 @default.
- W2119900715 cites W1975889887 @default.
- W2119900715 cites W1976083405 @default.
- W2119900715 cites W1977453806 @default.
- W2119900715 cites W1981225670 @default.
- W2119900715 cites W1982171055 @default.
- W2119900715 cites W1983605281 @default.
- W2119900715 cites W1983772994 @default.
- W2119900715 cites W1985318134 @default.
- W2119900715 cites W1987445140 @default.
- W2119900715 cites W1989781044 @default.
- W2119900715 cites W1992738297 @default.
- W2119900715 cites W1995645343 @default.
- W2119900715 cites W1996052540 @default.
- W2119900715 cites W1999197191 @default.
- W2119900715 cites W1999304818 @default.
- W2119900715 cites W1999851119 @default.
- W2119900715 cites W2000949154 @default.
- W2119900715 cites W2002965272 @default.
- W2119900715 cites W2006713375 @default.
- W2119900715 cites W2008318720 @default.
- W2119900715 cites W2012143639 @default.
- W2119900715 cites W2018719268 @default.
- W2119900715 cites W2025020517 @default.
- W2119900715 cites W2026795906 @default.
- W2119900715 cites W2028041709 @default.
- W2119900715 cites W2028143867 @default.
- W2119900715 cites W2028763537 @default.
- W2119900715 cites W2029013794 @default.
- W2119900715 cites W2033238242 @default.
- W2119900715 cites W2033504756 @default.
- W2119900715 cites W2039498757 @default.
- W2119900715 cites W2040369372 @default.
- W2119900715 cites W2042848233 @default.
- W2119900715 cites W2044179485 @default.
- W2119900715 cites W2047535347 @default.
- W2119900715 cites W2047677784 @default.
- W2119900715 cites W2047709170 @default.
- W2119900715 cites W2049896064 @default.
- W2119900715 cites W2050646895 @default.
- W2119900715 cites W2052459204 @default.
- W2119900715 cites W2055281353 @default.
- W2119900715 cites W2057442093 @default.
- W2119900715 cites W2058679350 @default.
- W2119900715 cites W2065408007 @default.
- W2119900715 cites W2065811710 @default.
- W2119900715 cites W2070606946 @default.
- W2119900715 cites W2071733898 @default.
- W2119900715 cites W2072057250 @default.
- W2119900715 cites W2072335234 @default.
- W2119900715 cites W2072746620 @default.
- W2119900715 cites W2075962176 @default.
- W2119900715 cites W2078622330 @default.
- W2119900715 cites W2082502458 @default.
- W2119900715 cites W2082602975 @default.
- W2119900715 cites W2084132830 @default.
- W2119900715 cites W2084488312 @default.
- W2119900715 cites W2084726419 @default.
- W2119900715 cites W2091407898 @default.
- W2119900715 cites W2091756692 @default.
- W2119900715 cites W2106692752 @default.
- W2119900715 cites W2111817932 @default.
- W2119900715 cites W2117830959 @default.
- W2119900715 cites W2126142867 @default.
- W2119900715 cites W2132400017 @default.
- W2119900715 cites W2134663773 @default.
- W2119900715 cites W2140881079 @default.
- W2119900715 cites W2142220522 @default.
- W2119900715 cites W2149808951 @default.
- W2119900715 cites W2150653882 @default.
- W2119900715 cites W2151560098 @default.
- W2119900715 cites W2161934282 @default.
- W2119900715 cites W2162039524 @default.
- W2119900715 cites W2165084703 @default.
- W2119900715 cites W2172254195 @default.
- W2119900715 cites W3098134230 @default.
- W2119900715 cites W3098460303 @default.
- W2119900715 cites W3098538645 @default.
- W2119900715 cites W3099176984 @default.
- W2119900715 cites W3100064765 @default.
- W2119900715 cites W3100597667 @default.
- W2119900715 cites W3101278788 @default.
- W2119900715 cites W3101582826 @default.