{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Exploring\n", "\n", "An exoplanet `Population` is designed to be a (hopefully!) relatively easy way to interact with data for a group of exoplanet systems. Here we step through the basics of how we can explore a population of planets, access standardized planet properties, and filter subsets of planet populations." ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Getting started\n", "The `exoatlas` package contains the tools we will use. All planet properties inside a population have astropy [units](https://docs.astropy.org/en/stable/units/) associated with them, so we make also want to have access to those units for our calculations." ] }, { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [], "source": [ "import exoatlas as ea\n", "import astropy.units as u" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "We can always check what version of `exoatlas` we're using with its hidden `.__version__`." ] }, { "cell_type": "code", "execution_count": 2, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "'0.2.4'" ] }, "execution_count": 2, "metadata": {}, "output_type": "execute_result" } ], "source": [ "ea.__version__" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Create a `Population`\n", "Now, to get started, we'll make a population that contains all confirmed transiting exoplanets. We can read more about the different populations we can create over one the [Creating](creating.html) page. When we create this population, the code will download a table of the latest data from the NASA Exoplanet Archive." ] }, { "cell_type": "code", "execution_count": 3, "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "/Users/zkbt/.exoatlas/data/standardized-TransitingExoplanets.txt is 0.009 days old.\n", "Should it be updated? [y/N]\n", "[transitingexoplanets] Loaded standardized table from /Users/zkbt/.exoatlas/data/standardized-TransitingExoplanets.txt\n" ] } ], "source": [ "pop = ea.TransitingExoplanets()" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "(The code will let you know how long ago your local dataset was updated, and ask if you'd like to update it now.)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## What's inside a `Population`?\n", "The core ingredient to an exoplanet `Population` is a table of planet properties that have been standardized and populated with astropy units. This `pop.standard` table is an astropy [Table](https://docs.astropy.org/en/stable/table/), so its contents can be accessed or modified as any other astropy `Table`." ] }, { "cell_type": "code", "execution_count": 4, "metadata": {}, "outputs": [ { "data": { "text/html": [ "Table length=3135\n", "
name | ra | dec | period | semimajoraxis | e | omega | inclination | transit_epoch | transit_duration | transit_depth | stellar_teff | stellar_radius | stellar_mass | UJmag | VJmag | BJmag | RCmag | ICmag | Jmag | Hmag | Kmag | WISE1mag | WISE2mag | WISE3mag | WISE4mag | radius | radius_uncertainty_upper | radius_uncertainty_lower | transit_ar | transit_b | rv_semiamplitude | mass | mass_uncertainty_upper | mass_uncertainty_lower | distance | distance_uncertainty_upper | distance_uncertainty_lower | discoverer |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
deg | deg | d | AU | deg | deg | d | d | K | solRad | solMass | earthRad | earthRad | earthRad | earthMass | earthMass | earthMass | pc | pc | pc | |||||||||||||||||||
str17 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | float64 | str44 |
55Cnce | 133.149216 | 28.330818 | 0.736539 | 0.01544 | nan | nan | 83.3 | 2455733.013 | nan | nan | 5196.0 | 0.94 | 0.91 | nan | 5.96 | 6.83 | nan | nan | 4.768 | 4.265 | 4.015 | 4.001 | 3.296 | 4.051 | 4.014 | 1.91 | 0.08 | -0.08 | nan | 0.41 | nan | 8.08 | 0.31 | -0.31 | 12.59 | 0.01 | -0.01 | McDonald Observatory |
BD+20594b | 53.650967 | 20.599232 | 41.6855 | nan | 0.0 | nan | 89.55 | nan | nan | 0.00049 | 5766.0 | 1.08 | 1.67 | nan | 11.038 | 11.728 | nan | nan | 9.77 | 9.432 | 9.368 | 9.31 | 9.344 | 9.332 | 8.976 | 2.578 | 0.112 | -0.112 | 55.8 | nan | 3.1 | 22.2481 | 9.5349 | -9.5349 | 180.39 | 1.25 | -1.25 | K2 |
CoRoT-10b | 291.063708 | 0.746143 | 13.2406 | 0.1055 | 0.53 | 218.9 | 88.55 | 2454273.3436 | 0.1242 | 0.0161036 | 5075.0 | 0.79 | 0.89 | nan | 15.22 | 16.68 | nan | nan | 12.527 | 11.929 | 11.782 | 11.64 | 11.752 | 11.396 | 8.923 | 10.87 | 0.78 | -0.78 | 31.33 | 0.85 | 301.0 | 874.0 | 50.85 | -50.85 | 345.0 | 70.0 | -70.0 | CoRoT |
CoRoT-11b | 280.687263 | 5.937688 | 2.99433 | 0.0436 | 0.0 | nan | 83.17 | 2454597.679 | 0.1042 | 0.011449 | 6440.0 | 1.37 | 1.27 | nan | 12.939 | 13.596 | nan | nan | 11.589 | 11.416 | 11.248 | 11.173 | 11.265 | 11.47 | 9.198 | 16.03 | 0.34 | -0.34 | 6.89 | 0.818 | 280.0 | 740.51 | 108.06 | -108.06 | 560.0 | 30.0 | -30.0 | CoRoT |
CoRoT-12b | 100.765677 | -1.296439 | 2.828042 | 0.04016 | 0.07 | 105.0 | 85.48 | 2454398.62707 | 0.10726 | 0.01744 | 5675.0 | 1.12 | 1.08 | nan | 15.515 | 16.343 | nan | nan | 14.024 | 13.63 | 13.557 | 13.47 | 13.47 | 12.53 | 8.61 | 16.14 | 1.46 | -1.46 | nan | 0.573 | 125.5 | 291.438 | 22.247 | -20.658 | 1150.0 | 85.0 | -85.0 | CoRoT |
CoRoT-13b | 102.721137 | -5.086445 | 4.03519 | 0.051 | 0.0 | nan | 88.02 | 2454790.8091 | 0.1308 | nan | 5945.0 | 1.01 | 1.09 | nan | 15.039 | 15.777 | nan | nan | 13.71 | 13.406 | 13.376 | 13.17 | 13.217 | 12.615 | 8.946 | 9.92 | 0.157 | -0.157 | 10.81 | 0.374 | 157.8 | 415.704 | 20.976 | -20.976 | 1060.0 | 100.0 | -100.0 | CoRoT |
CoRoT-14b | 103.424211 | -5.536037 | 1.51214 | 0.027 | 0.0 | nan | 79.6 | 2454787.6694 | 0.0693 | nan | 6035.0 | 1.21 | 1.13 | nan | 16.033 | 16.891 | nan | nan | 14.321 | 14.007 | 13.806 | 13.679 | 13.729 | 12.03 | 9.14 | 12.22 | 0.78 | -0.78 | 4.78 | 0.86 | 1230.0 | 2415.4 | 190.7 | -190.7 | 1340.0 | 110.0 | -110.0 | CoRoT |
CoRoT-16b | 278.524691 | -6.002595 | 5.35227 | 0.0618 | 0.33 | 168.41 | 85.01 | 2454923.9138 | 0.0996 | 0.0102 | 5650.0 | 1.19 | 1.1 | nan | 15.63 | 16.68 | nan | nan | 13.496 | 12.98 | 12.847 | nan | nan | nan | nan | 13.11 | 1.79 | -1.57 | 11.2 | 0.825 | 61.96 | 170.032 | 27.014 | -26.379 | 840.0 | 90.0 | -90.0 | CoRoT |
CoRoT-17b | 278.699254 | -6.612234 | 3.7681 | 0.0461 | 0.0 | 0.0 | 88.34 | 2454923.3093 | 0.196667 | 0.0044 | 5740.0 | 1.59 | 1.04 | nan | 15.46 | nan | nan | nan | 13.174 | 12.615 | 12.472 | nan | nan | nan | nan | 11.43 | 0.78 | -0.78 | 6.23 | 0.18 | 312.4 | 772.29 | 95.34 | -95.34 | 920.0 | 50.0 | -50.0 | CoRoT |
... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
WTS-1b | 293.9932 | 36.290325 | 3.352057 | 0.047 | 0.1 | nan | 85.5 | 2454318.7472 | nan | 0.017636 | 6250.0 | 1.15 | 1.2 | nan | 16.13 | nan | nan | nan | 15.375 | 15.187 | 15.271 | nan | nan | nan | nan | 16.7 | 1.79 | -2.02 | nan | 0.69 | nan | 1274.44 | 111.24 | -111.24 | 3200.0 | 900.0 | -400.0 | United Kingdom Infrared Telescope |
WTS-2b | 293.732796 | 36.815491 | 1.0187068 | 0.01855 | 0.0 | nan | 83.55 | 2454317.81333 | nan | nan | 5000.0 | 0.75 | 0.82 | nan | 15.9 | 16.8 | nan | nan | 13.928 | 13.464 | 13.414 | 13.299 | 13.367 | 12.107 | 9.176 | 15.278 | 0.684 | -0.684 | nan | 0.584 | 256.0 | 355.9696 | 50.8528 | -50.8528 | 1000.0 | nan | nan | United Kingdom Infrared Telescope |
Wolf503b | 206.847687 | -6.136875 | 6.00118 | 0.0571 | nan | nan | nan | 2458185.36087 | 0.0550417 | nan | 4716.0 | 0.69 | 0.69 | nan | 10.26 | 11.27 | nan | 9.09 | 8.324 | 7.774 | 7.617 | nan | nan | nan | nan | 2.03 | 0.076 | -0.073 | nan | 0.387 | nan | nan | inf | inf | 44.58 | 0.1 | -0.1 | K2 |
XO-1b | 240.54935 | 28.169586 | 3.94153 | nan | 0.0 | nan | 88.81 | nan | nan | 0.018000000000000002 | 5750.0 | 0.88 | 0.88 | nan | 11.19 | 11.85 | 10.81 | 10.43 | 9.939 | 9.601 | 9.527 | 9.495 | 9.518 | 9.507 | 9.248 | 12.778 | 0.785 | -0.785 | 11.37 | nan | 116.0 | 263.7989 | 41.3179 | -41.3179 | 164.33 | 0.62 | -0.62 | XO |
XO-2Nb | 117.026968 | 50.2258 | 2.61586178 | 0.0368 | nan | nan | 88.01 | 2454508.73829 | 0.1118292 | nan | 5307.0 | 0.99 | 0.97 | nan | 11.138 | 12.002 | 10.669 | 10.243 | 9.744 | 9.34 | 9.308 | 9.24 | 9.31 | 9.236 | 8.833 | 11.131 | 0.135 | -0.135 | 7.986 | 0.28 | nan | 179.89178 | 7.94575 | -7.94575 | 154.94 | 1.45 | -1.45 | XO |
XO-3b | 65.469581 | 57.817181 | 3.19154 | nan | 0.29 | nan | 79.32 | nan | nan | 0.0089 | 6429.0 | 1.54 | 0.58 | nan | 9.8 | 10.25 | nan | nan | 9.013 | 8.845 | 8.791 | 8.754 | 8.765 | 8.736 | 8.372 | 15.805 | 1.345 | -1.345 | 4.95 | nan | 1488.0 | 2316.9807 | 378.2177 | -378.2177 | 214.31 | 2.7 | -2.7 | XO |
XO-4b | 110.388223 | 58.268108 | 4.12508 | nan | 0.0 | nan | 88.8 | nan | nan | 0.0078000000000000005 | 6397.0 | 1.45 | 1.1 | nan | 10.674 | 11.24 | nan | nan | 9.667 | 9.476 | 9.406 | 9.373 | 9.398 | 9.378 | 8.716 | 14.011 | 0.897 | -0.897 | 7.68 | nan | 168.6 | 451.3186 | 60.3877 | -60.3877 | 274.79 | 2.91 | -2.91 | XO |
XO-5b | 116.716527 | 39.094578 | 4.1877558 | 0.0515 | 0.0 | nan | 86.8 | 2456864.3129 | 0.1299 | 0.0108 | 5430.0 | 1.13 | 1.04 | nan | 12.13 | nan | nan | nan | 10.774 | 10.443 | 10.345 | 10.333 | 10.381 | 10.292 | 8.354 | 12.78 | 0.34 | -0.34 | nan | 0.55 | 146.0 | 378.2 | 9.53 | -9.53 | 278.37 | 3.9 | -3.9 | XO |
XO-6b | 94.793282 | 73.827682 | 3.7650007 | 0.0815 | 0.0 | nan | 86.0 | 2456652.71245 | 0.1208333 | nan | 6720.0 | 1.93 | 1.47 | nan | 10.25 | nan | nan | nan | 9.471 | 9.266 | 9.246 | 9.213 | 9.232 | 9.34 | 8.709 | 23.203 | 2.466 | -2.466 | 9.08 | 0.633 | 450.0 | 1398.452 | inf | inf | 237.06 | 2.43 | -2.43 | XO |
piMenc | 84.291214 | -80.469124 | 6.2679 | 0.06839 | 0.0 | nan | 87.456 | 2458325.504 | 0.1230417 | 0.0003 | 6037.0 | 1.1 | 1.09 | 6.36 | 5.67 | 6.25 | nan | nan | 4.869 | 4.424 | 4.241 | 4.269 | 3.972 | 4.199 | 4.219 | 2.042 | 0.05 | -0.05 | 13.38 | 0.59 | 1.58 | 4.82 | 0.84 | -0.86 | 18.28 | 0.02 | -0.02 | Transiting Exoplanet Survey Satellite (TESS) |