The Keplerian and transit curves

ExoPlanetCurves

Two small demonstration notebooks of how the Keplerian and transit curves respond to a change in the parameters.

keplerians.ipynb

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   "source": [
    "import numpy as np\n",
    "from ipywidgets import interact, interactive\n",
    "\n",
    "# install pykima from here: https://github.com/j-faria/kima\n",
    "from pykima.keplerian import keplerian"
   ]
  },
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   "cell_type": "code",
   "execution_count": 2,
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   "source": [
    "t = np.linspace(0, 10, 200)"
   ]
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   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "def plot_keplerian(K=1, P=5, ecc=0., w=0., T0=0.):\n",
    "    fig, ax = plt.subplots(1, 1, figsize=(14, 10))\n",
    "    ax.plot(t, keplerian(t, P, K, ecc, w, T0, 0.0), lw=2)\n",
    "    ax.axhline(y=0, color='k', alpha=0.2)\n",
    "    ax.set(xlabel='Time [days]', ylabel='RV [m/s]')"
   ]
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   "execution_count": 5,
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      "text/plain": [
       "interactive(children=(FloatSlider(value=1.0, description='K', max=10.0, min=0.1), IntSlider(value=5, descripti…"
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     "output_type": "display_data"
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   "source": [
    "w = interact(plot_keplerian, K=(0.1, 10.0), P=(1, 10), ecc=(0, 0.99, 0.05), w=(0, 2*np.pi, 0.1), T0=(0, 5, 0.1));"
   ]
  }
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transits.ipynb