1. Computational Tools in Planetary Astrophysics
(A limited subset of the many)
C249: Planetary Astrophysics
Courtney Dressing
Fall 2017

2. BATMAN: transit modeling package developed by Laura Kreidberg
Link:
Uses: Fit transit light curves
How to learn:
Download & install the package
Try the tutorial
Change the input parameters & see what happens
Challenge: fit planetary transit (pset #2)

3. Link: spiderman.readthedocs.io/en/latest/ack.html
SPIDERMAN: secondary eclipse & phase curve modeler developed by Tom Louden
Link: spiderman.readthedocs.io/en/latest/ack.html
Uses: Fit secondary eclipses & phase curves
How to learn:
Download & install the package
Read the docs
Work through the quickstart example
Challenge: reproduce a published phase curve or secondary eclipse measurement

4. RadVel: radial velocity simulator Developed by BJ Fulton & Erik Petigura
Link: radvel.readthedocs.io/en/latest/
Uses: Fit radial velocity data sets
How to learn:
Download & install the package
Try the tutorial
Make the problem more complicated by changing the data set
Challenge: fit radial velocities (pset #3)

5. Link: dfm.io/emcee/current/ Uses: Bayesian parameter estimation
emcee: Markov Chain Monte Carlo package developed by Daniel Foreman-Mackey
Link: dfm.io/emcee/current/
Uses: Bayesian parameter estimation
How to learn:
Download & install the emcee package using pip
Try the tutorial
Make the problem more complicated by changing the data set
Challenges:
determine errors on light curve fit (pset #2)
Determine errors on RV fit (pset #3)

6. Exo_Transmit: atmospheric modeling package developed by Eliza Kempton
Link:
Uses: Generate model transmission spectra
How to learn:
Download & install the package
Try the tutorial
Change the input parameters & compare the resulting spectra
Challenges:
Model the transmission spectrum of your favorite planet
Reproduce a published transmission spectrum

7. Other Python Packages ExoData (developed by Ryan Varley)
Tool for querying Open Exoplanet Catalogue
PyKE (developed by many people at NASA)
Tools interacting with data from Kepler, K2, (and soon) TESS
python-bls
Generates Box Least Squares periodogram
Useful for transit searches
LombScargle
Generates Lomb Scargle periodogram
Useful for RV searches