We report on Fermi Large Area Telescope (LAT) and multi-wavelength results on the recently discovered very-high-energy (VHE, E > 100 GeV) blazar S4 0954+65 (z =...
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PublicationA significant hardening and rising shape detected in the MeV/GeV νFν spectrum from the recently discovered very-high-energy blazar S4 0954+65 during the bright optical flare in 2015 February
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PublicationA super-Earth orbiting near the inner edge of the habitable zone around the M4.5 dwarf Ross 508
We report the near-infrared radial velocity (RV) discovery of a super-Earth planet on a 10.77 d orbit around the M4.5 dwarf Ross 508 (Jmag = 9.1). Using...
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PublicationDoppler tomographic measurement of the nodal precession of WASP-33b
WASP-33b is a retrograde hot Jupiter with a period of 1.2 d orbiting a rapidly rotating and pulsating A-type star. A previous study found that the transit chord...
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PublicationFirst detection of two superoutbursts during the rebrightening phase of a WZ Sge-type dwarf nova: TCP J21040470+4631129
We report on photometric and spectroscopic observations and analysis of the 2019 superoutburst of TCP J21040470+4631129. This object showed a 9 mag...
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PublicationHinode Observations of Horizontal Quiet Sun Magnetic Flux and the ``Hidden Turbulent Magnetic Flux''
We present observations of magnetic fields of the very quiet Sun near disk center using the Spectro-Polarimeter of the Solar Optical Telescope aboard the Hinode...
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PublicationInterstellar Gas Mass Functions: Fractality and Scale Dependence
We present a theoretical model for the observed mass functions (MF's) of interstellar clouds, and test it by comparison with interferometrically observed MF's...
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PublicationInvestigation of the upper atmosphere in ultra-hot Jupiter WASP-76 b with high-resolution spectroscopy
Alkali metal lines are one of the most important key opacity sources for understanding exoplanetary atmospheres because the Na I resonance doublets are thought...
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PublicationNear- to mid-infrared imaging and spectroscopy of two buried AGNs of the nearby merging galaxy NGC 6240 with Subaru/IRCS+AO and GTC/CanariCam
We report near-infrared K ', L', and M ' band imaging observations of the nearby merging galaxy NGC 6240 with the Infrared Camera and Spectrograph on the Subaru...
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PublicationOn the Origin of the Dispersion in the 7Li/6Li Ratio in the ISM
Measurements of the 7Li/6Li ratio in the local interstellar medium (ISM) towards o Per and ζ Per by Knauth et al. (2000, AAA 073.131.129) show clouds with a...