Stellar kinematics:
- SteParKin python code to determine Galactic-space velocity components (U, V, W), evaluate their membership to young kinematic moving groups and associations and assign their stellar populations. References: Montes et al. 2001MNRAS.328...45M and Cortés-Contreras et al. 2024A&A...692A.206C
Chromospheric activity:
- iSTARMOD python code implementing Spectral Subtraction Technique to study chromospheric activity in Cool Stars. Reference: "iSTARMOD: A Python Code to Quantify Chromospheric Activity by Using the Spectral Subtraction Technique", Labarga & Montes 2026AJ....171...15L, 2025ascl.soft12002L, 0.5281/zenodo.17329153
Stellar parameters
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STEPAR: an automatic code to infer stellar atmospheric parameters. References: Tabernero, H. M.; Marfil, E.; Montes, D. et al., 2019A&A...628A.131T, ascl.net/1907.018
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STEPARSYN: A Bayesian code to infer stellar atmospheric parameters using spectral synthesis. References: Tabernero, H. M.; Marfil, E.; Montes, D., et al. 2022A&A...657A..66T, ascl.net/2111.016
Metallicity of M dwarfs
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METaMorPHosis: METallicity for M dwarfs using PHotometry. References: Duque-Arribas, Christian; Montes, David; et al. 2022zndo...7428860D, "Photometric Calibrations of M-dwarf Metallicity with Markov Chain Monte Carlo and Bayesian Inference", Duque-Arribas, Christian; Montes, David; et al. 2023ApJ...944..106D
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METaMorPHosis-NN: METallicity for M dwarfs using PHotometry and Neural Networks. References: "A neural network approach to determining photometric metallicities of M-type dwarf stars", Duque-Arribas, et al. 2025A&A...698L..12D
Doppler Imaging
- SpotDIPy: A new open-source, Python-based DI code that allows performing surface reconstructions of single stars using the maximum entropy method. References: "First Chromospheric Activity and Doppler Imaging Study of PW And Using a New Doppler Imaging Code: SpotDIPy", Bahar, Engin; Şenavcı, Hakan V.; Ișık, Emre; Hussain, Gaitee A. J.; Kochukhov, Oleg; Montes, David; Xiang, Yue 2024ApJ...960...60B,
Radial velocities
- SERVAL: SpEctrum Radial Velocity AnaLyser Zechmeister, M.; Reiners, A.; Amado, P. J., et al. 2018A&A...609A..12Z, ascl.net/2006.011