output
19962026
most citedSDSS-III: Massive Spectroscopic Surveys of the Distant Universe, the Milky Way Galaxy, and Extra-Solar Planetary Systems

2.2k citations

Showing 2024Show all

94 papers · 1 filter

astro-ph.SR2024★ 1 cited

Improving image quality of the Solar Disk Imager (SDI) of the Lyman-alpha Solar Telescope (LST) onboard the ASO-S mission

Hui Liu, Hui Li, Sizhong Zou +11

The in-flight calibration and performance of the Solar Disk Imager (SDI), which is a pivotal instrument of the Lyman-alpha Solar Telescope (LST) onboard the Advanced Space-based So…

astro-ph.SR2024★ 1 cited

Variation in the intensity ratio at each wavelength point of the Si iv 1394/1403 Å lines. Spectral diagnostics of a bifurcated eruption

Yi'an Zhou, Xiaoli Yan, Zhike Xue +3

Aims. This study aims to investigate the deviation of the intensity ratio of the \ion{Si}{IV} 1394 Å and 1403 Å emission lines from the expected value of 2 in the optically thin re…

astro-ph.EP2024★ 9 cited

Short-Term Evolution and Risks of Debris Cloud Stemming from Collisions in Geostationary Orbit

Peng Shu, Meng Zhao, Zhen-Yi Li +3

The increasing population of objects in geostationary orbit has raised concerns about the potential risks posed by debris clouds resulting from fragmentation. The short-term evolut…

astro-ph.GA2024

Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs

Li-tao Zhu, Zhongxiang Wang, P. U. Devanand +6

We develop a simple method to search for changing-look (CL) active galactic nucleus (AGN) candidates, and conduct a test run. In this method, optical variations of AGNs are monitor…

astro-ph.SR2024★ 5 cited

Observational Properties of 155 Cephei pulsating variable stars

Xiang-dong Shi, Sheng-bang Qian, Li-ying Zhu +3

Cephei pulsating variable (BCEP) stars are the most massive pulsating variable stars in the main sequence, exhibiting both p- and g-mode pulsations. In this study, we identifie…

astro-ph.SR2024★ 7 cited

A catalog of new slowly pulsating B-type stars

Xiang-dong Shi, Sheng-bang Qian, Li-ying Zhu +1

This paper reports the discovery of new slowly pulsating B-type stars. Based on the photometric, spectral, and astrometric data of TESS, LAMOST, and Gaia surveys, we have found 286…

astro-ph.SR2024★ 17 cited

Observational properties of 155 O- and B-type massive pulsating stars

Xiang-dong Shi, Sheng-bang Qian, Li-ying Zhu +3

The O- and B-type (OB-type) pulsating stars are important objects to study the structure and evolution of massive stars through asteroseismology. A large amount of data from variou…

astro-ph.SR2024★ 4 cited

LAMOST J171013+532646: a detached short-period non-eclipsing hot subdwarf + white dwarf binary

Mingkuan Yang, Hailong Yuan, Zhongrui Bai +9

We present an analysis of LAMOST J171013.211+532646.04 (hereafter J1710), a binary system comprising a hot subdwarf B star (sdB) and a white dwarf (WD) companion. Multi-epoch spect…

astro-ph.SR2024★ 5 cited

Exploring the convective core of the high-amplitude Scuti star TIC 120857354 with asteroseismology

Xinghao Chen, Xaiobin Zhang, Yan Li

Based on 2-minute cadence TESS data, 20 confident independent frequencies were identified for the star TIC 120857354. The Kolmogorov-Smirnov test reveals a rotational splitting of…

gr-qc2024

Reconstructing square-law k-inflation from Planck data

Ming Liu, Tong-Yu He, Bohai Chen +2

We explore a square-law k-inflation using the Hamilton-Jacobi approach. Focusing on scenarios where the Hubble parameter exhibits a power-law dependence on the k-field, our analysi…

astro-ph.SR2024★ 7 cited

NLTE abundances of Eu for a sample of metal-poor stars in the Galactic Halo and Metal-poor Disk with 1D and <3D> models

Yanjun Guo, Nicholas Storm, Maria Bergemann +6

Accurate measurements of europium abundances in cool stars are essential for an enhanced understanding of the r-process mechanisms. We measure the abundance of Eu in solar spectra…

astro-ph.SR2024★ 42 cited

New pulsating stars detected in EA-type eclipsing binary systems based on TESS data

Xiang-Dong Shi, Sheng-Bang Qian, Lin-Jia Li

Pulsating stars in eclipsing binaries are very important to understand stellar interior structures through astroseismology because their absolute parameters such as the masses and…

astro-ph.SR2024★ 3 cited

CZ Aqr: an oscillating eclipsing Algol-type system composed of a Sct primary star and a subgiant star in a quadruple system

Qi-Huan Zeng, Wen-Ping Liao, Sheng-Bang Qian +3

Eclipsing Algol-type systems containing a Scuti (hereafter Sct) star enable precise determination of physical parameters and the investigation of stellar internal structure…

astro-ph.GA2024★ 1 cited

Moving Groups in the Solar Neighborhood with Gaia, APOGEE, GALAH, and LAMOST: Dynamical Effects Gather Gas and the Ensuing Star Formation Plays an Important Role in Shaping the Stellar Velocity Distributions

Xilong Liang, Suk-Jin Yoon, Jingkun Zhao

With Gaia, APOGEE, GALAH, and LAMOST data, we investigate the positional, kinematic, chemical, and age properties of nine moving groups in the solar neighborhood. We find that each…

astro-ph.HE2024★ 27 cited

Measurement of Very-high-energy Diffuse Gamma-ray Emissions from the Galactic Plane with LHAASO-WCDA

The LHAASO Collaboration, Zhen Cao, F. Aharonian +312

The diffuse Galactic gamma-ray emission is a very important tool used to study the propagation and interaction of cosmic rays in the Milky Way. In this work, we report the measurem…

astro-ph.SR2024★ 6 cited

Ultraluminous X-ray sources with He star companions

Luhan Li, Bo Wang, Dongdong Liu +3

Ultraluminous X-ray sources (ULXs) are non-nuclear point-like objects observed with extremely high X-ray luminosity that exceeds the Eddington limit of a black hol…

astro-ph.SR2024★ 2 cited

Relationship Between the Tilt Angle of Sunspot Group and the Properties of the Next Solar Cycle

P. X. Gao, J. C. Xu

Based on the data from the Kodaikanal and Mount Wilson observatories, we investigate the relationships of the tilt angle of sunspot group (SG), including the mean tilt angle and th…

astro-ph.EP2024

A novel ephemeris model for Martian moons incorporating their free rotation

Yongzhang Yang, Kai Huang, Jianguo Yan +1

High precision ephemerides not only support space missions, but can also be used to study the origin and future of celestial bodies. In this paper, a coupled orbit rotation dynamic…

astro-ph.HE2024★ 23 cited

Recurring tidal disruption events a decade apart in IRAS F01004-2237

Luming Sun, Ning Jiang, Liming Dou +16

We report the discovery of a second optical flare that occurred in September 2021 in IRAS F01004-2237, where the first flare occurred in 2010 has been reported, and present a detai…

astro-ph.HE2024★ 9 cited

Ultrahigh-Energy Gamma-ray Emission Associated with Black Hole-Jet Systems

The LHAASO Collaboration, Zhen Cao, Felix Aharonian +315

Black holes (BH), one of the most intriguing objects in the universe, can manifest themselves through electromagnetic radiation initiated by the accretion flow. Some stellar-mass B…

astro-ph.HE2024★ 11 cited

On the diversity of strongly-interacting Type IIn supernovae

I. Salmaso, E. Cappellaro, L. Tartaglia +29

Massive stars experience strong mass-loss, producing a dense, H-rich circumstellar medium (CSM). After the explosion, the collision and continued interaction of the supernova (SN)…

astro-ph.HE2024★ 30 cited

A fast X-ray transient from a weak relativistic jet associated with a type Ic-BL supernova

H. Sun, W. -X. Li, L. -D. Liu +163

Massive stars end their lives as core-collapse supernovae, amongst which some extremes are broad-lined type Ic supernovae from Wolf-Rayet stars associated with long-duration gamma-…

astro-ph.IM2024★ 33 cited

Selective Dynamical Imaging of Interferometric Data

Joseph Farah, Peter Galison, Kazunori Akiyama +16

Recent developments in very long baseline interferometry (VLBI) have made it possible for the Event Horizon Telescope (EHT) to resolve the innermost accretion flows of the largest…

astro-ph.SR2024★ 33 cited

A potential mass-gap black hole in a wide binary with a circular orbit

Wang Song, Zhao Xinlin, Feng Fabo +28

Mass distribution of black holes identified through X-ray emission suggests a paucity of black holes in the mass range of 3 to 5 solar masses. Modified theories have been devised t…