Acronyms

Acronym	Full form	Context
AE	Autoencoder	AstroSpectro dimred
AIC	Akaike Information Criterion	ξ Dark Energy
BA	Balanced Accuracy	All projects
BAO	Baryon Acoustic Oscillations	ξ Dark Energy
BIC	Bayesian Information Criterion	ξ Dark Energy
BP/RP	Blue Photometer / Red Photometer	Gaia
CAS	Concentration-Asymmetry-Smoothness	AstroVision morphometrics
CPL	Chevallier-Polarski-Linder	ξ Dark Energy
DECaLS	Dark Energy Camera Legacy Survey	AstroVision
DESI	Dark Energy Spectroscopic Instrument	ξ Dark Energy
DINOv2	Self-DIstillation with NO labels v2	AstroVision
EW	Equivalent Width	AstroSpectro
FITS	Flexible Image Transport System	AstroSpectro data format
FWHM	Full Width at Half Maximum	AstroSpectro
GradCAM	Gradient-weighted Class Activation Mapping	AstroVision
GSP-Phot	General Stellar Parametriser (photometry)	Gaia DR3
HDBSCAN	Hierarchical Density-Based Spatial Clustering...	AstroSpectro
LAMOST	Large Sky Area Multi-Object fiber Spectroscopic Telescope	AstroSpectro
ΛCDM	Lambda Cold Dark Matter	ξ Dark Energy baseline
MC Dropout	Monte Carlo Dropout	AstroVision
MCMC	Markov Chain Monte Carlo	ξ Dark Energy
ML	Machine Learning	All projects
NIST	National Institute of Standards and Technology	Line wavelength reference
PCA	Principal Component Analysis	AstroSpectro
RNAAS	Research Notes of the American Astronomical Society	Manuscript target
ROC-AUC	Receiver Operating Characteristic — Area Under Curve	All projects
SDSS	Sloan Digital Sky Survey	AstroVision crossmatch
SHAP	SHapley Additive exPlanations	AstroSpectro
SMOTE	Synthetic Minority Over-sampling Technique	AstroSpectro
SN Ia	Type Ia Supernovae	ξ Dark Energy
SNR	Signal-to-Noise Ratio	AstroSpectro data quality
t-SNE	t-distributed Stochastic Neighbour Embedding	AstroSpectro
UMAP	Uniform Manifold Approximation and Projection	AstroSpectro
W&B	Weights & Biases	AstroSpectro experiment tracking