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Joe Hennawi

PROFILE

Joe Hennawi

Worked on the pypeit/PypeIt repository to enhance data modeling and processing for astronomical spectroscopy workflows. Delivered targeted bug fixes to improve sky subtraction reliability by ensuring proper mask handling, preventing data corruption during spectral reduction. Developed new features for the coadd2d pipeline, including integration of SPAT_PIXPOS_ID into the data model and improved object identification for more accurate co-addition and weighting. Applied robust error handling and parameter centralization to address edge cases and streamline configuration. Leveraged Python, object-oriented programming, and data reduction techniques to deliver maintainable, test-aligned solutions that increased the reliability and reproducibility of scientific data processing.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

8Total
Bugs
2
Commits
8
Features
2
Lines of code
918
Activity Months2

Work History

July 2025

7 Commits • 2 Features

Jul 1, 2025

July 2025 monthly summary for pypeit/PypeIt focused on delivering data-model enhancements and robust coadd2d improvements, aligning naming conventions with SPAT_PIXPOS_ID, and hardening the 2D co-addition pipeline to improve reliability and reproducibility.

May 2025

1 Commits

May 1, 2025

May 2025: Delivered a targeted bug fix in the Sky Subtraction Outmask handling for pypeit/PypeIt, improving data integrity and processing reliability of sky-subtracted spectra. The change ensures a copy of the inmask is used when use_2dmodel_mask is False, preventing data corruption and incorrect sky subtraction results. Implemented with a focused commit and aligned with existing testing and code review workflows to minimize downstream impact.

Activity

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Quality Metrics

Correctness81.2%
Maintainability83.8%
Architecture78.8%
Performance71.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

Python

Technical Skills

Astronomy SoftwareBug FixBug FixingData ModelingData ProcessingData ReductionObject IdentificationObject-Oriented ProgrammingParameter HandlingPythonSoftware DevelopmentSoftware RefactoringSpectroscopy

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

pypeit/PypeIt

May 2025 Jul 2025
2 Months active

Languages Used

Python

Technical Skills

Bug FixData ProcessingAstronomy SoftwareBug FixingData ModelingData Reduction