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- National Astronomical Observatory of JapanJP49 papers
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Monopole transition strength function of C in three- model
Souichi Ishikawa
The energy level structure of C nucleus at a few MeV above the three- threshold is still unsatisfactory known. For instance, most microscopic calculations predicted tha…
Discovery of Infalling Motion with Rotation of the Cluster-Forming Clump S235AB and Its Implication to the Clump Structures
Tomomi Shimoikura, Kazuhito Dobashi, Tomoaki Matsumoto +1
We report the discovery of infalling motion with rotation of S235AB the massive cluster-forming clump (~10^3 Mo) in the S235 region. Our C18O observations with the 45m telescope at…
Formation of the Unequal-Mass Binary Protostars in L1551 NE by Rotationally-Driven Fragmentation
Jeremy Lim, Tomoyuki Hanawa, Paul K. H. Yeung +3
We present observations at 7 mm that fully resolve the two circumstellar disks, and a reanalyses of archival observations at 3.5 cm that resolve along their major axes the two ioni…
Rotationally-Driven Fragmentation for the Formation of the Binary Protostellar System L1551 IRS 5
Jeremy Lim, Paul K. H. Yeung, Tomoyuki Hanawa +3
Either bulk rotation or local turbulence is widely invoked to drive fragmentation in collapsing cores so as to produce multiple star systems. Even when the two mechanisms predict d…