Research in Astronomy and Astrophysics

Article	Citations
Dreicer Electric Field Definition and Runaway Electrons in Solar Flares	1106
Small-scale Clustering of Star-forming Galaxies Relative to Early-type and Late-type Galaxies: IllustrisTNG versus the Sloan Digital Sky Survey	148
Relation between Mass and Radius of Exoplanets Distinguished by their Density	88
Transverse Velocity Field Measurements in High-resolution Solar Images Based on Deep Learning	79
Photometric Monitoring of Blazar 3C 66A with the Yunnan University Astronomical Observatory 1 m Telescope	66
Fermi Blazars in the Zwicky Transient Facility Survey: Properties of Large Optical Variations	60
Chemical Tagging of Tidal Tail Star Candidates of NGC 6362	54
A Region Selection Method for Real-time Local Correlation Tracking of Solar Full-disk Magnetographs	54
The Influence of Velocity-dependent Correction Factor on Proton Decay Reactions in Massive White Dwarfs	42
O’Connell Effect and Period Variations on Solar-like Contact Binary EF Boo	41
Cosmological Constraints on Neutrino Masses in Light of JWST Red and Massive Candidate Galaxies	39
Toward a Direct Measurement of the Cosmic Acceleration: The Pilot Observation of HI 21 cm Absorption Line at FAST	36
Structural Parameters of the Globular Cluster M15	34
New Orbital Parameters of 850 Wide Visual Binary Stars and Their Statistical Properties	32
Long-period Double-lined Eclipsing Binaries: The System V454 Aur with the Secondary Eclipse Caused by the Occultation of the Hotter Component	31
GRB 220408B: A Three-episode Burst from a Precessing Jet	30
Research on Beam Calibration Technology of Phased Array Feed	29
A Spectral Element Method to Compute Earth’s Free Core Nutation	28
A Fast Radio Burst Backend for the Tianlai Dish Pathfinder Array	26
Optical and X-Ray Studies of Marginal Contact Binary RW Dor Using TESS and XMM-Newton Observatories	24
TIC 197757000: An Eclipsing Binary System Containing a δ Scuti-type Pulsating Star with Tidal Synchronization	22
Tracklet-to-object Matching for Climbing Starlink Satellites through Recursive Orbit Determination and Prediction	22
A Spectropolarimetric Data Reduction Pipeline at the Solar Tower Telescope – 2 (STT2) of the Crimean Astrophysical Observatory (CrAO)	21
Modeling GRB 171205A: A Semi-analytical Approach to Shock Dynamics from Thick to Thin Media	21
Implications of the Stellar Mass Density of High-z Massive Galaxies from JWST on Warm Dark Matter	20

The Role of Jets in Exploding Supernovae and in Shaping their Remnants	20
The 11 May 2024 Solar Energetic Particle Event: Evidence for a Hybrid Two-Stage Acceleration Mechanism from Multi-Spacecraft Observations	20
Photometric Calibration of Spectral Imaging CoronaGraph with Dual-wavelength Observation	19
The 3D Architecture of a pair of 6:1 Resonant Brown Dwarfs around the Naked-eye star υ Ophiuchi	19
The Hierarchical Structure of the Open Cluster NGC 752	18
Subpixel-based Bidirectional Distortion Correction for Two-dimensional Astronomical Fiber Spectral Images	17
The Fall and Origins of the Meteoroid Tanxi	17
Jets, Accretion and Spin in Supermassive Black Holes	16
Towards Optimization and Assessment of the Chinese New-generation VLBI Network for Earth Orientation Parameters Monitoring	16
Observation and Analysis of VLF Nocturnal Multimode Interference Phenomenon based on Waveguide Mode Theory	16
Organic Acid Chemistry in ISM: Detection of Formic Acid and its Prebiotic Chemistry in Hot Core G358.93−0.03 MM1	15
Optical Spectroscopy of Classical Be Stars in Old Open Clusters	15
Four Late-type Galaxies with Double Radio Lobes and Properties of Such Galaxies	15
A Study on Non-coplanar Baseline Effects for Mingantu Spectral Radioheliograph	15
Observation of H i around three Satellite Galaxies of M31 with FAST: Andromeda II, NGC 205, and NGC 185	14
A Revised Graduated Cylindrical Shell Model and its Application to a Prominence Eruption	14
Properties of Flare Events on M Stars from LAMOST Spectral Survey Based on Kepler and TESS Light Curves	14
A High-Temperature Superconducting Wideband Bandpass Filter at the L Band for Radio Astronomy	14
The Variability and Radial Velocity of Planetary Nebula Central Stars	13
Study on the Influencing Factors of the Permittivity Estimation Method Considering Antenna Layout Based on Lunar Penetrating Radar	13
An Oversampled Polyphase Filter Bank Channelization Algorithm for Molecular Spectral Line Data	13
Performance of FAST with an Ultra-Wide Bandwidth Receiver at 500–3300 MHz	12
Constraining the Spatial Curvature of the Local Universe with Deep Learning	12
The FAST Discovery of a Millisecond Pulsar M15O (PSR J2129+1210O) Hidden in the Harmonics of M15A (PSR J2129+1210A)	12
Evolution of Close Binary System Parameter Distributions	12
Inelastic Scattering of Dark Matter with Heavy Cosmic Rays	12
Ground-layer Adaptive Optics for the 2.5 m Wide-field and High-resolution Solar Telescope	12
Quantifying the Tension between Cosmological Models and JWST Red Candidate Massive Galaxies	12
The SVOM observation management strategy and in-orbit verification	12
Statistical Characteristics of Solar Cycle Distribution of N–S Asymmetry for the Source Locations of Super Geomagnetic Storms (Dst ≤ −250 nT) During 1932–2018	11
Timing and Single-pulse Study of Pulsar J1909+0122 Discovered by CRAFTS	11
Methodology Study for Planning On-site Monitoring for Radio Astronomical Site Selection from Unmanned Aspects	11
Daytime surface temperatures of the Moon derived from high-resolution IIRS on-board Chandrayaan-2	11
Radiation Spectral Analysis of 3D Dust Molecular Clusters (PAHs) and Peptoids under Ionization and Electric Field in ISM	11
Weak Lensing Cosmology in the Large Survey Era	11
The Hubble Tension: A Decade Review	11
A Halo-based Empirical Model for the Atomic Hydrogen Content	11
NR Cam: A New Active Low Mass-ratio Contact Binary with a Potential Third Companion	10
A New Position Calibration Method for MUSER Images	10
Latitude Distribution and N-S Asymmetry of GLE Event Source Locations during 1942–2024	10
Multi-wavelength Study of HESS J1303-631 with 14 yr of Fermi-LAT Data	10
The 56Ni Mass, Energy Sources, and Mass-loss History of SN 2014av	10
Searching Radio Pulsars for Fourteen Unidentified Very-high-energy Sources	10
Enhancing Stellar Spectra with Diffusion Probabilistic Models: A Novel Approach to Denoising Low SNR Astronomical Data	10
Research on a Coherent Dedispersion Algorithm for Pulsar Baseband Data	10
On the Energy Budget of Starquake-induced Repeating Fast Radio Bursts	10
The Mini-SiTian Array: Prospects of Searching for Tidal Disruption Events	10
Error Modeling and Surface Accuracy Analysis of LCT Segmented Mirrors	10
A Combined Smoothing Method of Ensemble Pulsar Timescale and Application for Pulsar Atomic Clock Combined Timescale	10
Point Spread Function Construction for Astrometry in LORRI Images	10

Characteristics, Classification and Challenges in Searching for CEMP Stars	10
An Ultra-low Mass Ratio Contact Binary: WISE J095035.2+354215	10
The Impact of Nova Outbursts on the Chemical Abundance of the Interstellar Medium	10
The Application of Permanent Magnet Synchronous Motor with Small Electrical Time Constant in Fiber Positioner	10
Revisit of GeV Gamma-Ray Emission from Orion B with the Fermi Large Area Telescope	9
The Edge Sensor of Segmented Mirror Based on Fringes of Equal Thickness	9
Dataset for Recognition and Detection Based on Solar Radio Spectrogram Data	9
Sodium Abundances in Very Metal-poor Stars	9
An Initial Analysis of a Strongly Lensed QSO Candidate Identified by LAMOST	9
Search for Axion Dark Matter with MeerKAT UHF Sideband in 1051–1088 MHz	9
Astrometric Observations of NEA 1998 HH49 Using the Daocheng 50 cm Telescope	9
The Velocity Aberration Effect of the CSST Main Survey Camera*	9
PSRDP: A Parallel Processing Method for Pulsar Baseband Data	9
UWLPIPE: Ultra-wide Bandwidth Low-frequency Pulsar Data Processing Pipeline	9
A Photometric and Astrometric Study of Open Star Clusters FSR-163 and Majaess 215 Using Gaia DR3	9
Investigation of Mode Changing, Pulse Nulling and Subpulse Drifting Properties in the Asymmetric Conal Triple Radio Pulsar B2319+60	9
StRD: A New Automatic Spectral Classification Algorithm for Stars	9
Statistical Signatures of Gamma-Ray Burst 221009A in X-Ray Observations	9
Simulation Study of Network Reconfiguration and Load-balancing Method for the Xinjiang Astronomical Observatory Data Center	9
The RFI Fast Mitigation Algorithm Based on Block LMS Filter	9
Calibration database design for the wide-field X-ray telescope on board the Einstein Probe	9
Time-resolved Spectral Properties of Fermi-GBM Bright Long Gamma-Ray Bursts	9
Gaussian-process Emulation of the Redshift-space Halo Power Spectrum Monopole in Cosmologies with Massive Neutrinos	9
Enhancing Astrometric Registration of Chinese Historical Astronomical Digital Plates with Deep Learning	9
Investigation of Traffic Classification Applied to an Astronomical Data Transmission Network of the XAO Using Deep Learning	9
Searching for the Nano-Hertz Stochastic Gravitational Wave Background with the Chinese Pulsar Timing Array Data Release I	9
Peeking Under the Clouds: Is Exoplanet Imaging with the Solar Gravitational Lens Feasible?	9
The Chromatic Point-spread Function of Weak Lensing Measurement in the Chinese Space Station Survey Telescope	9
Cleaning Radio Frequency Interference in Pulsar-Folded Data Based on the Conditional Random Fields with an Adaptive Prior	8
Closeby Habitable Exoplanet Survey (CHES). V. Planetary Parameters Derived from Angular Separation Variations	8
The Design of GECAM Scientific Ground Segment	8
Non-thermal Emission from Supernova Remnant W51C	8
Reionizing Islands with Inhomogeneous Recombinations	8
The Electromagnetic Compatibility between FAST and Public Mobile Communication Stations and its Cognitive Using Frequency Strategy	8
A Possible X-ray Quasi-periodic Oscillation in the Narrow-line Seyfert 1 Galaxy Mrk 142	8
The In-Flight Realtime Trigger and Localization Software of GECAM	8
Galaxy Interactions in Filaments and Sheets: Insights from EAGLE Simulations	8
Phenomenological Model for the Maximum Mass of a Rotating Magnetized Neutron Star	8
The SVOM / ECLAIRs Scientific Analysis Pipeline	8
Neutrino Mass Constraints from Reconstructing the Large-scale Structure: Systematic Uncertainty	8
Search for Periodic Radio Signals from Double Neutron Star System Companions Using the Fast Folding Algorithm	8
Speckle-interferometric Study of Close Visual Binary System HIP 11253 (HD 14874) using Gaia (DR2 and EDR3)	8
A Comparative Study of TeV Gamma-Ray Sources with Various Objects	8
Calibration Precision of a High-impedance Receiver in the 21 cm Global Spectrum Experiment	8
An Analysis of the Seeing Conditions at Platform C of the Lenghu Site	8
Scientific performance of on-board analyses for the SVOM X-ray telescope MXT	8
ASCNet: Research on All-sky Camera Image Classification at the Muztagh-ata Site	8
Variability of Young Stellar Objects in the Perseus Molecular Cloud	8
A Preliminary Measurement of the Sky Brightness at the Namco Lake of Tibet During 2013	7
Star Formation Efficiency of Blue Compact Galaxies Through (O ii), (Hα), (IR), and 1.4 GHz Radio Continuum	7
Machine Learning to Search for Accreting Neutron Star Binary Candidates Using Chinese Space Station Telescope Photometric System	7
The Evolution of Photospheric Current Density During an X9.3-Class Solar Flare	7
A Helium Nova [HP99]159: Past, Present and Future	7
The coded mask of the ECLAIRs telescope onboard the SVOM space mission	7
Identifying Energetic Oxygen Pickup Ions of Upstream Exosphere Origin Using MAVEN Measurements	7
Magnetic Activity and Differential Rotation of HIP12653*	7
JW-SSD: A Multimodal Benchmark Dataset for Fine-Grained Sunspot Classification	7
Basic Survey Scheduling for the Wide Field Survey Telescope (WFST)	7
A Systematic Search for Physical Associations between Fast Radio Bursts and Astrophysical Transients	7
Design and Validation of a New RFSoC Based Digital Receiver System	7
Using Cartesian Slice Plots of a Cosmological Simulation as Input of a Convolutional Neural Network*	7
XGboost for Predicting Chemical Abundances of Open Clusters in LAMOST DR11 LRS	7
The FAST Galactic Plane Pulsar Snapshot Survey. VII. Six Millisecond Pulsars in Compact Orbits with Massive White Dwarf Companions	7
Accelerating Asteroidal Period and Pole Inversion from Multiple Lightcurves Using Parallel Differential Evolution and Cellinoid Shape Model	7
An Interpretable Galaxy Morphology Classification Approach Using Modified SqueezeNet and Local Interpretable Model-agnostic Explanation	7
A Realistic Synthetic Galaxy Image Superresolution Dataset Based on IllustrisTNG	7
Overview of the Joint-CART Project Between China and Argentina	7
Comprehensive Study of the Blazars from Fermi-LAT LCR: The Log-Normal Flux Distribution and Linear rms–Flux Relation	7
Low-redshift-agnostic BAO Constraints on Binned Dark-energy Density Evolution from DESI DR1 and DR2	7
How to Get Worthy Follow-up Candidates of Fast-rotating Asteroids from Sparse Wide Field Survey Telescope (WFST) Data	7
Morphology Study for GeV Emission of Nearby Supernova Remnant G332.5-5.6	7
The Progenitors of Be-stars Paired with O-subdwarfs: The Spin-up of a Be Star at the Stage of Conservative Mass Exchange	7
Studying Thermal and Dynamical Stability of Interacting Rényi and Tsallis Holographic Dark Energy Models in LTB Inhomogeneous Universe	7
Lossless Compression Method for the Magnetic and Helioseismic Imager (MHI) Payload	7
Components and Anisotropy of 3D QFP Waves During the Early Solar Eruption	7
Searching for Kilonovae with the SiTian Prototype Telescope	7
The Adjustment Analysis Method of the Active Surface Antenna Based on Convolutional Neural Network	7
The Role of Upstream Magnetization in the Microstructure and Particle Energization of Relativistic Perpendicular Shocks	7
Polarization Studies in Different Blazar Types. I. Correlation Between Optical Brightness and Polarization Degree	7
Detection of Emission Line Galaxies in the Slitless Spectra of HST and CSST	7

Mid-infrared Period–Luminosity Relations of Gaia DR3 Long Period Variables	7
Interstellar Extinction, Polarization Efficiency, and Grain Alignment in the Direction Towards Bright-rimmed Clouds and Cometary Globules	7
A Catalog of 1408 Carbon-enhanced Metal-poor Stars from LAMOST DR11	7
Spectro-timing Origin of Large Amplitude X-Ray Variability in GRS 1915+105 Using AstroSat/LAXPC and SXT	6
Diffuse Ultraviolet Sky Toward Nearby Galaxy Clusters	6
Unveiling the Nature of Polar-ring Galaxies from Deep Imaging	6
The Mini-SiTian Array: Real-bogus Classification Using Deep Learning	6
First Search for Pulsed CH Maser Emission Stimulated by a Pulsar	6
High-precision Astrometry of Saturnian Major Satellites: Halo Reduction and Optical Filter Evaluation	6
Forecast of Observing Time Delay of Strongly Lensed Quasars with the Muztagh-Ata 1.93 m Telescope	6
The Way to Quench: Galaxy Evolution in A2142	6
Multi-site Cross Calibration of Sky Brightness Monitors for Solar Coronal Observations: Comparative Analysis of CGST and ATST Site Survey Instruments	6
Reconstructing the Cosmic Density Field from Dark Halo Catalogs using Deep Neural Networks	6
Spectroscopic Study of Late-type Emission-line Stars Using the Data from LAMOST DR6	6
The Formation of Electron-capture Supernovae: A Review	6
Dark Energy in the DESI Era: A Brief Review of Evidence, Beyond-ΛCDM Interpretations, and Tensions	6
Observations of Wave Amplitude Modulation in and Around Sunspots by SDO	6
Broadband Spectral Analysis of 1ES 2344+514: A Multi-epoch Study	6
Observation-based Iterative Map for Solar Cycles. II. The Gnevyshev–Ohl Rule and its Generation Mechanism	6
Intrinsic Shape Variation of Quiescent Galaxies from Redshift 2.5 to 0.5	6
On the Response of Massive Main Sequence Stars to Mass Accretion and Outflow at High Rates	6
Exploring the Structure and Evolution of Four Young Open Clusters near the Galactic Mid-plane via Gaia DR3	6
Mock X-Ray Observations of Hot Gas with L-Galaxies Semi-analytic Models of Galaxy Formation	6
Possible Origin of a Newly Discovered GeV Gamma-Ray Source Fermi J1242.5+3236	6
Parametric Evolution of Power-law Energy Spectra of Energetic Electrons in the Coronal Loops	6
A Hierarchical Method for Locating the Interferometric Fringes of Celestial Sources in the Visibility Data	6
Galaxy Morphology Classification Using a Semi-supervised Learning Algorithm Based on Dynamic Threshold	6
Correction of the Temperature Effect of Muon Counts Observed at the Guangzhou Station	6
Data-driven Seeing Prediction for Optics Telescope: from Statistical Modeling, Machine Learning to Deep Learning Techniques	6
NbodyCP: A Direct N -body Simulation Code for Composite Stellar Populations of Single and Binary Star Clusters	6
Study of Various Dark Matter Halo Profiles in Milky Way and M31 Galaxies within the Standard Cosmology Framework	6
Simulation and Data Processing of Beamforming Experiments with Four 21CMA Stations	6
Applying Hybrid Clustering in Pulsar Candidate Sifting with Multi-modality for FAST Survey	6
Foreground Extinction to Extended Celestial Objects. I. New Extinction Maps	5
Observation of Small-amplitude Electromagnetic Cyclotron Waves in the Solar Wind	5
Mitigating the beam systematics in CMB polarization experiments with deep learning	5
Enhancing Galaxy Classification with U-Net Variational Autoencoders for Image Denoising	5
AI Agent for Source Finding by SoFiA-2 for SKA-SDC2	5
New Vacuum Solar Telescope Achieves Narrowband Infrared Solar Imaging Observation at He i 10830 Å	5
PKS 0446+11: A Neutrino Emitting Candidate at Cosmic Noon	5
DeepInflation: An AI Agent for Research and Model Discovery of Inflation	5
Polycyclic Aromatic Hydrocarbons in the Circumstellar Medium of Herbig Ae/Be Stars	5
Simulation Study of the Performance and Polarization Response of a Compact Lightweight Wolter-I X-ray Telescope (CXT)	5
The Overall Emission Arrangement in Four Long-period Pulsars	5
MTSP-Net: A Multimodal Time Series Prediction Network for Solar Cycle Forecasting	5
Spectral Variability of the Star HD 141569A	5
The Dependence of Conditional Stellar Mass Functions on the Cosmic Web Environment in the TNG50 Simulation	5
The Tianlin Mission: A 6 m UV/Opt/IR Space Telescope to Explore Habitable Worlds and the Universe	5
In-flight Energy Calibration of the GECAM Gamma-ray Detectors	5
Spectral and Temporal Properties of Ultraluminous X-Ray Source ULX-1 in NGC 4088	5
A Catalog of Molecular Clumps and Cores with Infall Signatures	5
Early results from the SVOM Observatory Science program	5
Type Ia supernovae interacting with a close circumstellar material (SNe Ia-CSM) are SNe Ia inside planetary nebulae (SNIPs)	5
An Automatic Knowledge Graph Construction Method from Astronomical Literatures via Large Language Models	5
Probing the Gamma-Ray Emission Region of Five TeV Flat Spectrum Radio Quasars	5
Dynamical Dark Energy in Light of Cosmic Distance Measurements. II. A Study Using Current Observations	5
Injection Spectra of Different Species of Cosmic Rays from AMS-02, ACE-CRIS and Voyager-1	5
Multi-band Photometric and Spectroscopic Analysis of the Dwarf Nova IU Leo	5
Evolution of Subkilometer-scale Impact Craters on the Lunar Maria as Constrained from Mini-RF Data and Topographic Degradation Model	5
Contribution of APSG VLBI Program in Monitoring Radio Telescope Motion Across Asia-Pacific Region	5
Evaluation of Coronal and Interplanetary Magnetic Field Extrapolation Using PSP Solar Wind Observation	5
Investigating the Evolution of Amati Parameters with Redshift	5
Challenges in the Detection and Attribution of Northern Hemisphere Surface Temperature Trends Since 1850	5
Mapping Dust Attenuation at Kiloparsec Scales. II. Attenuation Curves from Near-ultraviolet to Near-infrared	5
Detection of the Milky Way Reflex Motion Caused by the Magellanic Clouds in Different Observation Accuracy	5
Modeling the Covariance Matrix for the Power Spectra Before and After the BAO Reconstruction	5
On the Performances of Estimating Stellar Atmospheric Parameters from CSST Broad-band Photometry	5
SVOM/C-GFT: Instrumentation and Performances on the SVOM Alerts	5
Modified Masses and Parallaxes of Close Binary Systems: HD 39438	5
Timing and Spectral Analysis of the Black Hole X-Ray Binary MAXI J1803-298 with Insight-HXMT Data	5
Broadband Analysis of Ultraluminous X-Ray Source NGC 4254 ULX-2	5
New Apsidal Motion in Four Eccentric Eclipsing Binaries: V610 Car, V944 Cep, V2815 Ori and V1260 Tau	5
Point-symmetry in SNR G1.9+0.3: A Supernova that Destroyed its Planetary Nebula Progenitor	5
From Solar System to Exoplanets: What can we learn from Planetary Spectroscopy?	5
The Impact of Bias Row Noise to Photometric Accuracy: Case Study Based on a Scientific CMOS Detector	5
Design of a Real-time Command Transmission System for 14.5 m Optical Infrared Telescope Servo Control Based on Reflective Memory Network Interrupt Mechanism	5
On the Relation Between Symmetry of Radio Galaxies and Their Physical Parameters	5
An Analysis of the Fragmentation of Observing Time At the Muztagh-Ata Site	5
LINEAR 16694484: A Short-period, Low-mass-ratio Totally Eclipsing Binary with a Decreasing Orbital Period	5
Single-pulse Emissions of PSRs J1611–0114 and J1617+1123	5
A Novel Apparatus for Rotating Fluid Experiments and Newly Discovered Parameter Space of Triadic Resonance in a Rotating and Latitudinal Librating Triaxial Ellipsoid	4
Shallow-contact Binary V719 Her: A G-type Sample of Testing TRO Theory	4
CPI-C: Cool Planet Imaging Coronagraph on Chinese Space Station Survey Telescope	4
Supermassive Primordial Black Holes for Nano-Hertz Gravitational Waves and High-redshift JWST Galaxies	4
Probing Coronal Activity Using Radio Signals Based on the 2021 superior conjunction of Mars: the Downlink Data from Tianwen-1	4
Investigation of WZ Sge-type Dwarf Nova ASASSN-19oc: Optical Spectroscopy and Multicolor Light Curve Analysis	4
Possible Habitats for NH3, NH2D, H13CN, HC15N, SO, and C18O in the Initial Conditions of High-mass Star Formation	4
Improving Image Quality of the Solar Disk Imager (SDI) of the Lyα Solar Telescope (LST) Onboard the ASO-S Mission	4
Association of X-Ray Cross Correlation Function and Radio Jet Emission in the Z-source Sco X-1	4
Asteroseismology Study of a New Faint ZZ Ceti J053009.62+594557.0 Discovered in WFST	4
An Artificial Pulsar-signal Generator for Pulsar Search	4
BSN: The First Photometric Analysis of Contact Binary Systems V1961 Cyg and V0890 Lyr	4
Direct Imaging for the Debris Disk around ϵ  Eridani with the Cool-planet Imaging Coronagraph	4
KMT-2025-BLG-1314 and KMT-2025-BLG-1392: Two Microlensing Planetary/Brown-dwarf Candidates Analyzed with Differentiable Code	4
A Possible γ-Ray Pulsation from PSR J1740−5340B in the Globular Cluster NGC 6397	4