Iva Momcheva
@ivastar.bsky.social
Astronomer, who wants to be an astronaut, pretending to be a data scientist.
Week 4 of the experiment complete. open.substack.com/pub/astrodat...
February 3, 2026 at 10:04 AM
Week 4 of the experiment complete. open.substack.com/pub/astrodat...
Week 3 of 2026: AI and Astro open.substack.com/pub/astrodat... #astronomy
AI and Astronomy Weekly Roundup
Week of January 19-23, 2026.
open.substack.com
January 27, 2026 at 1:56 PM
Week 3 of 2026: AI and Astro open.substack.com/pub/astrodat... #astronomy
Week 2 of 2026 in AI and Astro: open.substack.com/pub/astrodat... #astronomy
January 19, 2026 at 9:30 PM
Week 2 of 2026 in AI and Astro: open.substack.com/pub/astrodat... #astronomy
Trying to pick up the AI&Astro newsletter again, week one down: substack.com/home/post/p-...
AI and Astronomy Weekly Roundup
Week of January 1 to 9, 2026.
substack.com
January 13, 2026 at 10:55 AM
Trying to pick up the AI&Astro newsletter again, week one down: substack.com/home/post/p-...
Major update to the scope of JOSS 😬 Keep this in mind when preparing publications. Applicable to all new submissions.
We've shipped a major update to the JOSS submission scope requirements, affecting what is eligible for submission and what information we require from authors.
You can read more about the changes and our motivations here: blog.joss.theoj.org/2026/01/prep... #joss #opensource #openscience
You can read more about the changes and our motivations here: blog.joss.theoj.org/2026/01/prep... #joss #opensource #openscience
Preparing JOSS for a generative AI future: From code to human creativity and design | Journal of Open Source Software Blog
Blog for the Journal of Open Source Software • <a href='https://joss.theoj.org'>https://joss.theoj.org</a>
blog.joss.theoj.org
January 12, 2026 at 10:03 AM
Major update to the scope of JOSS 😬 Keep this in mind when preparing publications. Applicable to all new submissions.
Recently published in JOSS: the QhX allows for periodicity detection in the presence of red noise, use cases include QSOs and earthquakes among others. #astrocode
Just published in JOSS: 'QhX: A Python package for periodicity detection in red noise' https://doi.org/10.21105/joss.08163
January 12, 2026 at 9:59 AM
Recently published in JOSS: the QhX allows for periodicity detection in the presence of red noise, use cases include QSOs and earthquakes among others. #astrocode
Recent publications in JOSS: PyStarshade allows high fidelity simulations of star shade observations of exoplanets. #astrocode
Just published in JOSS: 'PyStarshade: Simulating High-Contrast Imaging of Exoplanets with Starshades' https://doi.org/10.21105/joss.07917
January 12, 2026 at 9:57 AM
Recent publications in JOSS: PyStarshade allows high fidelity simulations of star shade observations of exoplanets. #astrocode
Reposted by Iva Momcheva
Code/Astro: a software engineering workshop for astronomy
June 22-26, 2026 in Santa Cruz, CA #astrocode 🔭
June 22-26, 2026 in Santa Cruz, CA #astrocode 🔭
Program Description
A Software Engineering Workshop for Astronomy
semaphorep.github.io
December 12, 2025 at 3:05 PM
Code/Astro: a software engineering workshop for astronomy
June 22-26, 2026 in Santa Cruz, CA #astrocode 🔭
June 22-26, 2026 in Santa Cruz, CA #astrocode 🔭
Red @eteq.bsky.social, blue drink. #adass35
November 15, 2025 at 10:47 AM
Red @eteq.bsky.social, blue drink. #adass35
Have you always dreamed of being a Max Planck director? Well, here is your chance! The Max Planck society has an open call for directors: www.mpg.de/25111395/mpg... #astronomy
www.mpg.de
October 24, 2025 at 9:07 AM
Have you always dreamed of being a Max Planck director? Well, here is your chance! The Max Planck society has an open call for directors: www.mpg.de/25111395/mpg... #astronomy
I've been trying to keep up on ML in astro for the last few months and keep myself accountable by writing about it. Maybe others would enjoy it as well. open.substack.com/pub/astrodat...
AI and Astronomy Weekly Roundup
Week of September 22-26, 2025
open.substack.com
October 1, 2025 at 1:54 PM
I've been trying to keep up on ML in astro for the last few months and keep myself accountable by writing about it. Maybe others would enjoy it as well. open.substack.com/pub/astrodat...
New in JOSS: PST is designed for astronomy researchers, especially those working in extragalactic astrophysics
and stellar population synthesis, who require a flexible and extensible Python-based toolkit for
modeling galaxy properties. #astrocode
and stellar population synthesis, who require a flexible and extensible Python-based toolkit for
modeling galaxy properties. #astrocode
Just published in JOSS: 'The Population Synthesis Toolkit (PST) Python Library' https://doi.org/10.21105/joss.08203
July 30, 2025 at 11:36 AM
New in JOSS: PST is designed for astronomy researchers, especially those working in extragalactic astrophysics
and stellar population synthesis, who require a flexible and extensible Python-based toolkit for
modeling galaxy properties. #astrocode
and stellar population synthesis, who require a flexible and extensible Python-based toolkit for
modeling galaxy properties. #astrocode
A new paper from JOSS for those using cosmological simulations, SOAP provides consistent definitions for calculating galaxy properties across different sims. #astrocode
Just published in JOSS: 'SOAP: A Python Package for Calculating the Properties of Galaxies and Halos Formed in Cosmological Simulations' https://doi.org/10.21105/joss.08252
July 30, 2025 at 11:34 AM
A new paper from JOSS for those using cosmological simulations, SOAP provides consistent definitions for calculating galaxy properties across different sims. #astrocode
A simulator for star shades with potential applications for Roman, Habex and the Habitable Worlds Observatory, now on JOSS. #astrocode
Just published in JOSS: 'PyStarshade: Simulating High-Contrast Imaging of Exoplanets with Starshades' https://doi.org/10.21105/joss.07917
July 25, 2025 at 10:32 AM
A simulator for star shades with potential applications for Roman, Habex and the Habitable Worlds Observatory, now on JOSS. #astrocode
If you are on the market for a tool to generate PSFs for space telescopes, check out this new publication from JOSS #astrocode
Just published in JOSS: 'spike: A Tool to Drizzle HST, JWST, and Roman PSFs for Improved Analyses' https://doi.org/10.21105/joss.08200
July 25, 2025 at 7:07 AM
If you are on the market for a tool to generate PSFs for space telescopes, check out this new publication from JOSS #astrocode
Fresh off the JOSS press: a new release of Halotools with the inclusion of Intrinsic Alignment. #astronomy #astrocode
Just published in JOSS: 'Halotools: A New Release Adding Intrinsic Alignments to Halo-Based Methods' https://doi.org/10.21105/joss.07421
March 17, 2025 at 10:46 AM
Fresh off the JOSS press: a new release of Halotools with the inclusion of Intrinsic Alignment. #astronomy #astrocode
A new JOSS paper on FELINE: a library for detection emission line sources in data from MUSE and other 3D cubes. #astronomy #astrocode
Just published in JOSS: 'FELINE: A Tool to Detect Emission Line Galaxies in 3D Data' https://doi.org/10.21105/joss.07528
March 17, 2025 at 10:44 AM
A new JOSS paper on FELINE: a library for detection emission line sources in data from MUSE and other 3D cubes. #astronomy #astrocode
A new JOSS paper on cogsworth: a library for binary stellar evolution and galactic dynamics. #astronomy
Just published in JOSS: 'cogsworth: A Gala of COSMIC proportions combining binary stellar evolution and galactic dynamics' https://doi.org/10.21105/joss.07400
January 5, 2025 at 9:43 PM
A new JOSS paper on cogsworth: a library for binary stellar evolution and galactic dynamics. #astronomy
The 2025 MPIA summer internship applications are now open 🎉 www.mpia.de/en/careers/i... #sstronomy
Summer internships
www.mpia.de
December 9, 2024 at 12:47 PM
The 2025 MPIA summer internship applications are now open 🎉 www.mpia.de/en/careers/i... #sstronomy
New on JOSS this week!
Just published in JOSS: 'Caustics: A Python Package for Accelerated Strong Gravitational Lensing Simulations' https://doi.org/10.21105/joss.07081
November 25, 2024 at 3:15 PM
New on JOSS this week!
Reposted by Iva Momcheva
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November 11, 2024 at 10:19 PM
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JOSS is looking for editors, we definitely need some in astronomy and space science. Great community and flexible time commitment. Reach out if you have questions: blog.joss.theoj.org/2024/10/call... #astronomy
Call for editors | Journal of Open Source Software Blog
Blog for the Journal of Open Source Software • <a href='https://joss.theoj.org'>https://joss.theoj.org</a>
blog.joss.theoj.org
November 12, 2024 at 10:58 AM
JOSS is looking for editors, we definitely need some in astronomy and space science. Great community and flexible time commitment. Reach out if you have questions: blog.joss.theoj.org/2024/10/call... #astronomy
New JOSS paper on Bayesian spectral line modeling. Check it out if you fit spectra with complex emission lines! #astronomy
Just published in JOSS: 'bayes_spec: A Bayesian Spectral Line Modeling Framework for Astrophysics' https://doi.org/10.21105/joss.07201
November 7, 2024 at 10:08 AM
New JOSS paper on Bayesian spectral line modeling. Check it out if you fit spectra with complex emission lines! #astronomy
A new JOSS publication: lightcurver! Precise multi-epoch photometry pipeline, great for lensed QSOs, supernovae, Cepheids, works on both isolated and blended targets. #astronomy
Just published in JOSS: '
lightcurver: A Python Pipeline for Precise Photometry of Multiple-Epoch Wide-Field Images' https://doi.org/10.21105/joss.06775
October 17, 2024 at 8:46 AM
A new JOSS publication: lightcurver! Precise multi-epoch photometry pipeline, great for lensed QSOs, supernovae, Cepheids, works on both isolated and blended targets. #astronomy