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Optical Monitoring and Intraday Variabilities of the BL Lac Object PKS 0735+178

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1025)

Within a monitored duration of more than 7 yr, we obtained 1358 pairs of gri observations (514 at the g band, 393 at the r band, and 451 at the i band......

Infrared Emission Properties of Active Galactic Nuclei from Swift-BAT Hard X-Ray Survey

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1025)

The Swift/Burst Alert Telescope (BAT) 105-month survey detected 1632 hard X-ray sources in the 14-195 keV band, which includes 1105 active galactic nu......

The CO White Dwarf plus Intermediate-mass/Massive Star Binary Evolution: Possible Merger Origins for Peculiar Type Ia and II Supernovae

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1025)

Binary stellar evolution has been studied as an important pathway to initiate various transient events like supernovae (SNe). Although the common enve......

The First Photometric Investigation and Spectroscopic Analysis of Two Contact Binaries: ASAS J124343+1531.7 and LINEAR 2323566

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1023)

The multi-color passband CCD light curves of ASAS J124343+1531.7 and LINEAR 2323566 were first obtained by the 0.84 m Ritchey-Chretien telescope with ......

The Automatic Observation Management System of the GWAC Network. I. System Architecture and Workflow

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1024)

The Ground Wide Angle Camera Network (GWAC-N) is a network of robotic multi-aperture, multiple field-of-view (FoV) optical telescopes. The main contin......

Orbital Solutions of the New Low-mass Eclipsing Binary TIC 157376469 with Spotted Activities

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1022)

We carried out a photometric and spectroscopic analysis for the eclipsing binary TIC 157376469 using the TESS and LAMOST data. A new linear ephemeris ......

Sunspots Extraction in PMO Sunspot Drawings Based on Deep Learning

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1024)

Sunspot numbers and sunspot areas are the most fundamental indices of long-term solar activity levels and the solar magnetic dynamo. This paper presen......

Probing the Astrometric Properties of Gaia EDR3 Quasars at the Faintest Magnitudes

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1027)

Gaia early data release 3 (EDR3) provides about 1.6 million QSO-like objects. Measuring the systematic residuals of the quasars convincingly in Gaia E......

Multi-objective Optimization of Interferometric Array u-v Coverage

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1025)

A new principle is introduced to optimize the configuration of an interferometric array, based on the trade-off between the uniform and Gaussian u-v d......

Instability Due to Electron Captures of Nuclei Ni-56, Co-56, Fe-56, Mn-56, Cr-56, and V-56 in Strongly Magnetized Super-Chandrasekhar White Dwarfs

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1027)

Based on the theory of the relativistic mean-field effective interactions, we explore the effect of superstrong magnetic fields (SMFs) on nuclear sing......

Short Term Minutes-timescale Temporal Variation Statistics of Sodium Layer Dynamics

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1026)

The brightness and height of the sodium laser guide star of adaptive optics could vary significantly due to the temporal dynamics of sodium column den......

Error Analysis of the Light Curve Solution of Contact Binaries Based on the W-D Code

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1026)

We use the idea of repeat measurement to determine the mean value and error of light curve solution parameters of contact binaries. Our simulation is ......

CSS J213934.3-050020: A New Double-mode High-amplitude delta Scuti-type Pulsating Star

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1023)

CSS J213934.3-050020 (hereafter J213934) was originally found as an EW-type eclipsing binary star with a period of 0.225456 days by Catalina Real-time......

Evaluation of Stellar Parameters and Calibrating the Surface Gravity log g for LAMOST-II Median Resolution Survey

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1022)

The LAMOST II survey began in the fall of 2018, and LAMOST formally released the obtained medium-resolution spectra (MRS) as well as catalogs of stell......

Simulation Study of on Sky Performance of a New 20W Class Macro-Micro Pulse Laser for Sodium Laser Guide Star

期刊: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1021)

As one crucial component for the latest generation of adaptive optics, tremendous efforts have been put into the development of high performance 20 W ......

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