joysankar-astro.github.io [astro-ph.HE] 24 Oct 2026
Appendix A. Software and web tools
J. Majumdar1
1 Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland
Last revised 24 October 2026
ABSTRACT
Code written along the way, released in the hope that it saves someone else an afternoon. Interactive web applications are listed in Sect. A.1 and code repositories in Sect. A.2. More is on GitHub.
A.1.Web applications
- BlazarInfo
- blazarinfo.streamlit.app. Quick-look information on blazars.
- ZTF LC and PSD
- ztf-lc.streamlit.app. Zwicky Transient Facility light curves and their power spectral densities.
A.2.Repositories
Table A.1. Public code repositories.
| Repository | Description | Language |
|---|
| AutoUVOT | Automated Swift UVOT reduction. A web service that finds public UVOT observations of a sky position, runs HEASoft uvotsource photometry and serves the light curve (Zenodo). | Python |
| subphot | Difference-imaging photometry pipeline built on hotpants, written for Las Cumbres Observatory images. | Python |
| XRT-Product-Extractor | Extracts data from the results of the Swift XRT online product builder. | Jupyter |
| GNSS-Data-Downloader | Small Python package to download GNSS navigation and observation files from IGS stations. | Python |
| MathRenderer | Library for displaying mathematical equations in Android applications. | Kotlin |
| EmotionBadge | Rates the emotion of a GitHub profile picture and serves it as a badge. | JavaScript |