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Estimating Spectra from Photometry

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# ESP (Estimating Spectra from Photometry) [![Build Status](https://travis-ci.org/jbkalmbach/ESP.svg?branch=master)](https://travis-ci.org/jbkalmbach/ESP)[![codecov.io](https://codecov.io/github/jbkalmbach/ESP/coverage.svg?branch=master)](https://codecov.io/github/jbkalmbach/ESP?branch=master)[![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](http://www.gnu.org/licenses/gpl-3.0)

## Purpose ESP is a way to estimate galaxy spectra using Principal Component Analysis (PCA) and Gaussian Processes. Starting from a set of known spectra and a set of bandpasses you can predict spectra for other points in the color space of your bands both interpolating and extrapolating throughout the color space.

## Setup

ESP is pip installable. From the command line run:

pip install esphot

Now to use from python, just:

import esp

## How to Use See the [example jupyter notebook](https://github.com/jbkalmbach/ESP/blob/master/examples/esp_example.ipynb) in the examples folder.

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