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136 papers · 1 filter
Microlensing Results Challenge the Core Accretion Runaway Growth Scenario for Gas Giants
Daisuke Suzuki, David P. Bennett, Shigeru Ida +14
We compare the planet-to-star mass-ratio distribution measured by gravitational microlensing to core accretion theory predictions from population synthesis models. The core accreti…
Long-term X-ray variation of the colliding wind Wolf-Rayet binary WR 125
Takuya Midooka, Yasuharu Sugawara, Ken Ebisawa
WR 125 is considered as a Colliding Wind Wolf-rayet Binary (CWWB), from which the most recent infrared flux increase was reported between 1990 and 1993. We observed the object four…
Dust properties in the cold and hot gas phases of the ATLAS3D early-type galaxies as revealed by AKARI
T. Kokusho, H. Kaneda, M. Bureau +6
The properties of the dust in the cold and hot gas phases of early-type galaxies (ETGs) are key to understand ETG evolution. We thus conducted a systematic study of the dust in a l…
A 1000 AU Scale Molecular Outflow Driven by a Protostar with an age of <4000 Years
Ray S. Furuya, Yoshimi Kitamura, Hiroko Shinnaga
To shed light on the early phase of a low-mass protostar formation process, we conducted interferometric observations towards a protostar GF9-2 using the CARMA and SMA. The observa…
A Balloon-Borne Very Long Baseline Interferometry Experiment in the Stratosphere: Systems Design and Developments
Akihiro Doi, Yusuke Kono, Kimihiro Kimura +33
The balloon-borne very long baseline interferometry (VLBI) experiment is a technical feasibility study for performing radio interferometry in the stratosphere. The flight model has…
Evidence for Rapid Adiabatic Cooling as an Origin of the Recombining Plasma in the Supernova Remnant W49B Revealed by NuSTAR Observations
Hiroya Yamaguchi, Takaaki Tanaka, Daniel R. Wik +8
X-ray observations of supernova remnants (SNRs) in the last decade have shown that the presence of recombining plasmas is somewhat common in a certain type of object. The SNR W49B…