TESS Aperture Photometry Pollution eStimator

Description

A python module that calculates a contamination factor for the target star in a tpf file based on the flux of background stars.

Prerequisites

Mandatory:

• numpy (2.4.2): to make all calculations
• scipy (1.17.1): to integrate the gaussian function
• astropy (8.0.1): to build data used in this module
• astroquery (0.4.11): to find stars in the target's region

Optional:

• lightkurve (2.6.0): to fetch tpf files
• matplotlib (3.10.8): to plot the result

Running the module

To run this module, here is an example:

import tessapps as tapps

flux, error = tapps.run(tpf_file)
print(flux, error)

Here is a more complete example:

import tessapps as tapps
import lightkurve as lk

tpf_file = lk.search_targetpixelfile("HAT-P-1", mission="TESS", sector=84, exptime=120).download()  # example file

flux, error = tapps.run(tpf_file)
print(flux, error)

File Organization

Authors

Leonidas Liponis

Links

Email (for contact): leolip128 (at) physics.auth.gr

Github page: https://github.com/leolip128/tessapps

PyPI page: https://pypi.org/project/tessapps/

AI Disclosure

No LLMs were used in the making of this project. All code was generated and verified by humans, so it will only contain human-made mistakes. All commits on github made by bots will be refused, and commits made by humans will be checked: published code should be fully understandable by the authors.

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