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Annual parallax measurements of a semiregular variable star SV Pegasus with VERA
Hiroshi Sudou, Toshihiro Omodaka, Kotone Murakami +6
Many studies have shown that there are clear sequences in the period-luminosity relationship (PLR) for Mira variables and semiregular variables (SRVs) in the Large Magellanic Cloud…
X-ray, Optical, and Near-infrared Monitoring of the New X-ray Transient MAXI J1820+070 in the Low/hard State
Megumi Shidatsu, Satoshi Nakahira, Satoshi Yamada +26
We report X-ray, optical, and near-infrared monitoring of the new X-ray transient MAXI J1820070 discovered with MAXI on 2018 March 11. Its X-ray intensity reached Crab…
Distortion of Magnetic Fields in a Starless Core V: Near-infrared and Submillimeter Polarization in FeSt 1-457
Ryo Kandori, Tetsuya Nagata, Ryo Tazaki +9
The relationship between submillimeter (submm) dust emission polarization and near-infrared (NIR) -band polarization produced by dust dichroic extinction was studied for the col…
Large Polarization Degree of Comet 2P/Encke Continuum Based on Spectropolarimetric Signals During Its 2017 Apparition
Y. G. Kwon, M. Ishiguro, Y. Shinnaka +16
Spectropolarimetry is a powerful technique for investigating the physical properties of gas and solid materials in cometary comae without mutual contamination, but there have been…
A near infrared variable star survey in the Magellanic Clouds: The Small Magellanic Cloud data
Yoshifusa Ita, Noriyuki Matsunaga, Toshihiko Tanabe +12
A very long term near-infrared variable star survey towards the Large and Small Magellanic Clouds was carried out using the 1.4m InfraRed Survey Facility at the South African Astro…
Distortion of Magnetic Fields in a Starless Core IV: Magnetic Field Scaling on Density and Mass-to-flux Ratio Distribution in FeSt 1-457
Ryo Kandori, Kohji Tomisaka, Motohide Tamura +7
In the present study, the magnetic field scaling on density, , was revealed in a single starless core for the first time. The index of was obta…