Resolvit

Resolvit improves the point spread function (PSF) of UVIT Level2 products by applying sub-pixel corrections to the Level2 events list and generating a new set of derived data products.

The corrected events list is treated as the primary Resolvit product. All other Resolvit products are derived from it.

Installation

pip install resolvit

Python usage

from resolvit import process_observation

process_observation(
    "20160101_A01_123T01_0123456789_level2"
)

Custom parameters

from resolvit import process_observation

process_observation(
    "20160101_A01_123T01_0123456789_level2",
    bin_size=50,
)

Command-line usage

Process a UVIT Level2 observation directory:

resolvit 20160101_A01_123T01_0123456789_level2

Specify a custom time bin size:

resolvit 20160101_A01_123T01_0123456789_level2 \
    --bin-size 50

Show the installed version:

resolvit --version

Output products

Resolvit creates a new directory alongside the original UVIT products:

uvit/
├── data_products/
└── resolvit_data_products/

The original UVIT products are never modified.

Diagnostics

Resolvit generates diagnostic plots and residual tables for each channel-filter-window combination:

resolvit_data_products/
└── diagnostics/
    └── <product_id>/
        ├── resolvit.log
        ├── residuals_iteration_1.txt
        ├── residuals_iteration_1.png
        ├── residuals_iteration_2.txt
        ├── residuals_iteration_2.png
        └── *_correlations.png