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https://github.com/quatrope/pycf3

Python client for Cosmicflows-3 Distance–Velocity Calculator
https://github.com/quatrope/pycf3

client cosmicflows cosmology distance-calculation extragalactic galaxy python

Last synced: about 2 months ago
JSON representation

Python client for Cosmicflows-3 Distance–Velocity Calculator

Host: GitHub
URL: https://github.com/quatrope/pycf3
Owner: quatrope
License: other
Created: 2019-09-21T22:41:51.000Z (over 5 years ago)
Default Branch: master
Last Pushed: 2022-11-11T03:23:32.000Z (about 2 years ago)
Last Synced: 2024-10-10T09:33:05.692Z (2 months ago)
Topics: client, cosmicflows, cosmology, distance-calculation, extragalactic, galaxy, python
Language: Python
Homepage:
Size: 1.28 MB
Stars: 1
Watchers: 5
Forks: 1
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md

Awesome Lists containing this project

README

        # pycf3 - Cosmicflows Galaxy Distance-Velocity Calculator client for Python

![image](https://raw.githubusercontent.com/quatrope/pycf3/master/res/logo_wbg.png)

----

[![QuatroPe](https://img.shields.io/badge/QuatroPe-Applications-1c5896)](https://quatrope.github.io/)

[![PyCF3 CI](https://github.com/quatrope/pycf3/actions/workflows/CI.yml/badge.svg)](https://github.com/quatrope/pycf3/actions/workflows/CI.yml)

[![ReadTheDocs.org](https://readthedocs.org/projects/pycf3/badge/?version=latest)](https://pycf3.readthedocs.io/en/latest/?badge=latest)

[![License](https://img.shields.io/badge/License-BSD3-blue.svg)](https://www.tldrlegal.com/l/bsd3)

[![Python 3.7+](https://img.shields.io/badge/python-3.7+-blue.svg)](https://badge.fury.io/py/pycf3)

[![PyPI](https://img.shields.io/pypi/v/pycf3)](https://pypi.org/project/pycf3/)

## Description

pycf3 is a Python client for the

[Cosmicflows-3 Distance-Velocity Calculator](http://edd.ifa.hawaii.edu/CF3calculator/),

and [NAM Distance-Velocity Calculator](http://edd.ifa.hawaii.edu/NAMcalculator/)

## Code Repository & Issues

https://github.com/quatrope/pycf3

## License

pycf3 is under [The BSD 3 License](https://www.tldrlegal.com/l/bsd3)

The BSD 3-clause license allows you almost unlimited freedom with the software

so long as you include the BSD copyright and license notice in it

(found in [Fulltext](https://raw.githubusercontent.com/quatrope/pycf3/master/LICENSE)).

## Basic Install

Execute

```console

$ pip install pycf3

```

## Development Install

Clone this repo and install with pip

```console

$ git clone https://github.com/quatrope/pycf3.git

$ cd pycf3

$ pip install -e .

```

## Quick Usage

```pycon

>>> import pycf3

>>> cf3 = pycf3.CF3()

>>> result = cf3.calculate_distance(velocity=9000, glon=283, glat=75)

>>> print(result.observed_velocity_)

9000.0

>>> result.observed_distance_

array([136.90134347])

```

For more information, read the [tutorial in the

documentation](https://pycf3.readthedocs.io).

## Citation

- If you use the results of this work in your research or other applications, 

please cite [Kourkchi et al. 2020, AJ, 159, 67](https://ui.adsabs.harvard.edu/abs/2020AJ....159...67K/abstract)

- Please acknowledge pycf3 in any research report or publication that

requires citation of any author\'s work. Our suggested acknowledgment

is:

> The authors acknowledge the pycf3 project that contributed to the

> research reported here. \<\>

### ABOUT THE DATA

All data exposed by pycf3 belongs to the project

> Cosmicflows-3 Distance-Velocity Calculator

> () Copyright (C) Cosmicflows

> Team - The Extragalactic Distance Database (EDD)

Please cite:

> Kourkchi, E., Courtois, H. M., Graziani, R., Hoffman, Y., Pomarede,

> D., Shaya, E. J., & Tully, R. B. (2020). Cosmicflows-3: Two

> Distance--Velocity Calculators. The Astronomical Journal, 159(2), 67.

#### BibText

```bib

@ARTICLE{2020AJ....159...67K,

    author = {{Kourkchi}, Ehsan and {Courtois}, H{\'e}l{\`e}ne M. and

        {Graziani}, Romain and {Hoffman}, Yehuda and {Pomar{\`e}de}, Daniel and

        {Shaya}, Edward J. and {Tully}, R. Brent},

    title = "{Cosmicflows-3: Two Distance-Velocity Calculators}",

    journal = {\aj},

    keywords = {590, 1146, 902, 1968, Astrophysics - Cosmology and

        Nongalactic Astrophysics, Astrophysics - Astrophysics of Galaxies,

        Astrophysics - Instrumentation and Methods for Astrophysics},

    year = 2020,

    month = feb,

    volume = {159},

    number = {2},

    eid = {67},

    pages = {67},

    doi = {10.3847/1538-3881/ab620e},

    archivePrefix = {arXiv},

    eprint = {1912.07214},

    primaryClass = {astro-ph.CO},

    adsurl = {https://ui.adsabs.harvard.edu/abs/2020AJ....159...67K},

    adsnote = {Provided by the SAO/NASA Astrophysics Data System}

}

```

## Short video description

[![IMAGE ALT TEXT HERE](https://img.youtube.com/vi/yd3IaIsM4Bg/0.jpg)](https://www.youtube.com/watch?v=yd3IaIsM4Bg)

## Authors

- Juan BC - [[email protected]]([email protected])

- Bruno Sanchez

- Martin Beroiz

- Ehsan Kourkchi.

[IATE](http://iate.oac.uncor.edu/) -

[CIFASIS](https://www.cifasis-conicet.gov.ar/)

This project is part of the [QuatroPe](https://github.com/quatrope)

scientific tools.