astro-ph.CO
Cosmology and Nongalactic Astrophysics
Cosmic microwave background3
- Linear perturbations and Boltzmann codes
- Map power spectra and foregrounds
- Cosmological parameter inference
Large-scale structure and simulations3
- Two-point statistics and BAO
- N-body, initial conditions and halos
- Simulation-based cosmological inference
Gravitational lensing2
- Weak-lensing shear measurement
- Strong-lens modelling and time delays
Reionisation, 21-cm and the IGM2
- 21-cm signal simulation and inference
- Lyman-alpha forest and absorbers
astro-ph.EP
Earth and Planetary Astrophysics
Small bodies: asteroids, comets and TNOs3
- Detecting and linking faint moving objects
- Orbit determination and ephemerides
- Light curves, shapes and physical properties
Exoplanet detection3
- Transit search and vetting
- Radial velocities
- Direct imaging and microlensing
Exoplanet atmospheres and characterisation2
- Atmospheric retrieval
- Interiors and mass-radius
Planet formation, disks and dynamics2
- N-body dynamics and stability
- Protoplanetary disks and planet-disk interaction
Solar-System surfaces, interiors and atmospheres2
- Surface mapping and crater statistics
- Meteor trajectories and showers
astro-ph.GA
Astrophysics of Galaxies
The Milky Way and star clusters3
- Potentials, orbits and actions
- Cluster membership, ages and dynamics
- Chemical tagging and Galactic archaeology
ISM, star formation and astrochemistry2
- Astrochemical networks
- Line identification and radiative transfer
Galaxy evolution, morphology and SEDs3
- Photometric redshifts and SED fitting
- Stellar kinematics and dynamical modelling
- Galaxy morphology
AGN and supermassive black holes2
- Black-hole masses and spectral decomposition
- Variability and reverberation mapping
astro-ph.HE
High Energy Astrophysical Phenomena
Gravitational waves2
- Compact-binary searches
- Parameter estimation and populations
Compact objects and pulsars2
- Pulsar timing
- Pulsar and FRB searches
X-ray and gamma-ray astronomy2
- Spectra and radiative processes
- Timing and quasi-periodic oscillations
Explosive transients2
- Light-curve modelling
- Transient classification
Cosmic rays, neutrinos and relativistic plasma3
- Cosmic-ray propagation and acceleration
- Black-hole accretion and relativistic MHD
- Neutrino source searches
astro-ph.IM
Instrumentation and Methods for Astrophysics
Imaging reduction, astrometry and photometry3
- Raw data reduction and calibration
- Blind astrometry
- Difference imaging and transient discovery
Radio interferometry and radio data2
- Calibration and imaging
- RFI flagging
Spectroscopic reduction1
Astrostatistics, ML and inference3
- Sampling and evidence
- Simulation-based inference
- Time series and classification
Simulation codes and instrumentation2
- Code verification and GPU porting
- Adaptive optics and high-contrast imaging
astro-ph.SR
Solar and Stellar Astrophysics
Stellar structure and evolution2
- Stellar evolution models
- Massive stars and compact remnants
Asteroseismology and variable stars2
- Oscillation frequencies and global parameters
- Period search and variable classification
Stellar spectra and atmospheres1
- Spectral synthesis and parameters
Binary and multiple stars2
- Eclipsing binaries and spectroscopic orbits
- Binary population synthesis
The Sun3
- Flares and active regions
- Coronal mass ejections
- Magnetic extrapolation and helioseismology
physics.space-ph
Space Physics (heliosphere)
Solar wind and the inner heliosphere2
- Shocks, ICMEs and structures
- Solar-wind and CME propagation
Magnetospheres and space weather2
- Bow-shock and magnetopause crossings
- Geomagnetic index forecasting
Space-plasma turbulence and kinetics2
- Turbulence spectra and intermittency
- Kinetic instabilities and simulation
Energetic particles and the outer heliosphere1
- Solar energetic particle events