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- National Astronomical Observatory of JapanJP334 papers
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- Japan Aerospace Exploration AgencyJP86 papers
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40 papers · 1 filter
Linear dichroic x-ray absorption response of Ti-Ti dimers along the axis in TiO upon Mg substitution
M. Okawa, D. Takegami, D. S. Christovam +9
Corundum oxide TiO shows the metal-insulator transition around 400-600 K accompanying the nearest Ti-Ti bond ( singlet state) formation along th…
KAgoshima Galactic Object survey with Nobeyama 45-metre telescope by Mapping in Ammonia lines (KAGONMA): Discovery of parsec-scale CO depletion in the Canis Major star-forming region
Yushi Hirata, Takeru Murase, Junya Nishi +6
In observational studies of infrared dark clouds, the number of detections of CO freeze-out onto dust grains (CO depletion) at pc-scale is extremely limited, and the conditions for…
Gamma rays from a reverse shock with turbulent magnetic fields in GRB 180720B
Makoto Arimoto, Katsuaki Asano, Koji S. Kawabata +14
Gamma-ray bursts (GRBs) are the most electromagnetically luminous cosmic explosions. They are powered by collimated streams of plasma (jets) ejected by a newborn stellar-mass black…
Growing Local arm inferred by the breathing motion
Tetsuro Asano, Daisuke Kawata, Michiko S. Fujii +1
Theoretical models of spiral arms suggest that the spiral arms provoke a vertical bulk motion in disc stars. By analysing the breathing motion, a coherent asymmetric vertical motio…
Self-consistent dust and non-LTE line radiative transfer with SKIRT
Kosei Matsumoto, Peter Camps, Maarten Baes +4
We introduce Monte Carlo-based non-LTE line radiative transfer calculations in the 3D dust radiative transfer code SKIRT, which was originally set up as a dust radiative transfer c…
Cardinality and Representation of Stone Relation Algebras
Hitoshi Furusawa, Walter Guttmann
Previous work has axiomatised the cardinality operation in relation algebras, which counts the number of edges of an unweighted graph. We generalise the cardinality axioms to Stone…