期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2021; 73 (2)
Polarimeters play a key role in investigating solar magnetic fields. In this paper, a High speed and high efficiency Imaging POlarimeter (HIPO) is pro......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2021; 73 (1)
We report on the multi-wavelength photometry of the 2018 superoutburst in EG Cnc. We have detected stage A superhumps and long-lasting late-stage supe......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2021; 73 (2)
It is assumed that two types of dark matter particles exist: superheavy dark matter particles (SHDM), the mass of which similar to inflaton mass, and ......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2021; 73 (2)
Computation resource is the limiting factor in higher operational accuracy of field-programmable gate arrays (FPGAs) in solar radio digital receivers.......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2021; 73 (3)
This paper investigates the spatial structure and dynamical state of the old open cluster NGC 2112 based on likely cluster members from Gaia Early Dat......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2021; 73 (2)
We performed observations of the HC3N (24-23, 17-16, 11-10, 8-7) lines towards a sample consisting of 19 Galactic massive star-forming regions with th......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2021; 73 (1)
This paper presents a three-layer general process model for unanticipated state recognition in a telescope drive system, consisting of an anticipated ......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2021; 73 (2)
The extragalactic radio sources are divided into two subclasses (radio-loud and radio-quiet sources) in the literature using radio loudness (R), which......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2021; 73 (3)
The membership determination for open clusters in noisy environments of the Milky Way is still an open problem. In this paper, our main aim is to prov......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2020; 72 (3)
We report an unbiased radio line survey towards the circumstellar envelopes of evolved stars at the frequency range from 20 to 25 GHz, aiming to obtai......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2020; 72 (3)
Violent multi-wavelength variabilities are observed in gamma-ray-selected blazars. We present an analysis of long-term light curves for eight bright b......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2020; 72 (3)
We present observations of HCN 3-2 emissions towards 37 local galaxies using the 10 m Submillimeter Telescope. HCN 3-2 emission is detected in 23 gala......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2020; 72 (3)
In this paper we present an investigation of tidal tails around the old open cluster M 67 using Gaia-DR2. We identify likely extra-tidal stars around ......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2020; 72 (4)
We make use of the ALMA twenty-Six Arcmin(2) survey of GOODS-S At One-millimeter (ASAGAO), deep 1.2 mm continuum observations of a 26-arcmin(2) region......
期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2020; 72 (4)
We present results on a search for 86.243-GHz SiO (J = 2 -> 1, v = 1) maser emission toward 67 OH/IR stars located near the Galactic centre. We det......