Twenty codes were added to the ASCL in May, 2025:
Aeolus: Object-oriented analysis of atmospheric model output
afterglowpy: Compute and fit GRB afterglows
AIRI: Algorithms for computational imaging
BEM: Random forest for exoplanets
CETRA: Cambridge Exoplanet Transit Recovery Algorithm
eclipsoid: Transit models for ellipsoidal planets in Jax
Eureka!: Data reduction and analysis pipeline for JWST and HST time-series observations
Exo-MerCat: Exoplanet Merged Catalog with Virtual Observatory connection
ExoLyn: Multi-species cloud modeling in atmospheric retrieval
Hibridon: Time-independent non-reactive quantum scattering calculations
iSLAT: Interactive Spectral-Line Analysis Tool
Jitter: RV jitter prediction code
jnkepler: Differentiable N-body model for multi-planet systems
NumPyro: Probabilistic programming with NumPy
pyGCG: Python Grism Classification GUI
SCATTERING: Solve the coupled equations for a given scattering system
speclib: Tools for working with stellar spectral libraries
SWIFTGalaxy: Galaxy particle analyzer
tBilby: Transdimensional inference for gravitational-wave astronomy with Bilby
TD-CARMA: Estimates of gravitational lens time delays with flexible CARMA processes
Thirty-five codes were added to the ASCL in April, 2025:
AstroPT: Transformer for galaxy images and general astronomy
CHIMERA: CaltecH Inverse ModEling and Retrieval Algorithms
ChromaStarPy: Python stellar atmosphere and spectrum modeling code
DMCalc: In-band dispersion measure of pulsars calculator
DYNAMITE: DYNAmical Multi-planet Injection TEster
ExoInt: Devolatilization and interior modeling package for rocky planets
Flax: Neural network library for JAX
GalClass: Visual Galaxy Classification tool
GNURadio: Software Radio Ecosystem
jaxoplanet: Astronomical time series analysis with JAX
JOFILUREN: Wavelet code for data analysis and de-noising
kotekan: High performance radio data processing pipeline
MultiREx: Massive planetary spectra generator
nuance: Transiting planet detector
PBjam: Automating asteroseismology of solar-like oscillators
PCM_LBL: Planetary Climate Model Line-By-Line
PDQ: Predict Different Quasars
photoevolver: Atmospheric escape of extrasolar planets simulator
picasso: Painting intracluster gas on gravity-only simulations
plaNETic: Small exoplanet internal structure modeling framework
pycdata: Dataset importer for pycheops
Pytmosph3R: Compute transmission spectra of planets with a 1D, 2D, or 3D atmospheric structure
RFIClean: Mitigation of periodic and spiky RFI from filterbank data
RTModel: Microlensing modeling
SHELLFISH: SHELL Finding In Spheroidal Halos
Spright: Bayesian mass-radius relation for small planets
SWAMPE: 2D spectral-core shallow-water exoplanet atmosphere model
TempoNest: Bayesian analysis tool for pulsar timing
tglc: TESS full-frame image light curves
tpfplotter: TESS target pixel file plotter
TriArc: Detecting trace gases in exoplanet atmospheres
TROPF: Tidal Response Of Planetary Fluids
Turbospectrum_NLTE: Turbospectrum 2020 with NLTE capability
Vela.jl: Bayesian pulsar timing and noise analysis
VSPEC: Variable Star PhasE Curve
Forty codes were added to the ASCL in March, 2025:
AESTRA: Radial velocity measurements in the presence of stellar activity noise
APPLESOSS: Empirical profile construction module
ATMOSPHERIX: Processing tool for t.fits files
Bioverse: Quantitative framework for assessing diagnostic power of a statistical exoplanet survey
BT: Blooming Tree hierarchical structure analysis
Colume: Estimating volume densities clouds from their column density morphology
CROCODILE: Atmospheric retrievals of directly observed gas giant exoplanets
Deep-Transit: Transit detection with a 2D object detection algorithm
DIA: Delta function Difference Imaging Code
ExoMDN: Rapid characterization of exoplanet interiors with Mixture Density Networks
exoscene: Simulate direct images of exoplanetary systems
ExoSim 2: Exoplanet Observation Simulator 2
FELINE: Emission lines in galaxies detector
GaMorNet: Galaxy Morphology Network
GaMPEN: Galaxy Morphology Posterior Estimation Network
GEOCLIM.jl: Global silicate weathering estimation
gollum: Programmatic access to precomputed synthetic spectral model grids
GPS: Genesis Population Synthesis
Gradus: Extensible spacetime agnostic general relativistic ray-tracing
HiSS-Cube: Hierarchical Semi-Sparse Cube
IGRINS_transit: Cross-correlation detections of molecules in a transitting exoplanet atmosphere
IsoFATE: Isotopic Fractionation via ATmospheric Escape
kpic_pipeline: KPIC Data Reduction Pipeline
LeR: Gravitational waves lensing rate calculator
LESSPayne: Labeling Echelle Spectra with SMHR and Payne
luas: Gaussian processes for analyzing two-dimensional data sets
mini-chem: Miniature chemical kinetics model for gas giant GCMs
NbodyGradient: Compute gradients of N-body integrations
NcorpiON: N-body integration for collisional and fragmenting systems
NRPyElliptic: Hyperbolic relaxation solver for elliptic equations
OneCovariance: Compute covariance matrices
R2D2: Residual-to-Residual DNN series for high-Dynamic range imaging
ROCKE-3D: Fully coupled ocean atmosphere 3-D General Circulation Model
S3Fit: Simultaneous Spectrum and photometric-SED Fitting code for galaxy observations
SCONE: Supernova Classification with a Convolutional Neural Network
SFA: Superbubble Finding Algorithm
spectools_ir: Medium/high-resolution IR molecular spectra analysis tools
StellarSpecModel: Stellar spectrum and theoretical SEDs tool
TDEF: Synthetic X-ray spectra for fitting Tidal Disruption Events
XGPaint: Fast extragalactic foreground mocks
Thirty codes were added to the ASCL in February, 2025:
AccretR: Planetary accretion and composition code in R
ATOCA: Decontaminate and extract spectra from image
blasé: Interpretable machine learning for high-resolution astronomical spectroscopy
chemcomp: Chemical composition modeling of gas giants by accretion of pebbles, planetesimals and gas
cosmocnc: Galaxy cluster number count likelihood computation
Giants: Pipeline to search for exoplanets around evolved stars
hmvec: Vectorized halo model code
IGRINS_PLP: Immersion Grating Infrared Spectrometer PipeLine Package
IGRINS_RV: Radial velocity pipeline for IGRINS
legacypipe: Image reduction pipeline for DESI Legacy Imaging Surveys
MOLPOP-CEP: Exact solution of radiative transfer problems in multi-level atomic systems
Optimal BLS: Optimally-efficient code for transit searches in long time series
PACMAN: Data reduction and analysis pipeline for HST/WFC3 data
Pigi: Parallel Interferometric GPU Imager
polkat: Semi-automate full polarization of MeerKAT observations
polyrot: Polytropic modeling of rapidly rotating planets and stars
PyMieScatt: Forward and inverse Mie solving routines
RadioBEAR: BErkeley Atmospheric Radiative transfer
Sledgehamr: Dynamics of coupled scalar fields on a 3-dimensional adaptive mesh simulator
smhr: Automatic curve-of-growth analyses of high-resolution stellar spectra
spaceKLIP: JWST coronagraphy data data reduction and analysis pipeline
SPCA: Spitzer Phase Curve Analysis
SpecMatch-Emp: Empirical SpecMatch
speedyfit: Single and binary stars photometric spectral energy distribution fitter
SZiFi: Sunyaev-Zeldovich iterative finder
TESS-SIP: Long term rotation period finding tool
THAI: Analysis and visualization code for the TRAPPIST Habitable Atmosphere Intercomparison
Tiberius: Time series spectral extraction and transit light curve fitting
TLCM: Transit and Light Curve Modeler
WATSON: Visual Vetting and Analysis of Transits of Space ObservatioNs