{
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   "source": [
    "# Investigating Gas and Stellar Kinematics using Marvin"
   ]
  },
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   "metadata": {},
   "source": [
    "We're going to study a galaxy (8711-6102) with an inner gas disk that is rotating faster than the stellar disk."
   ]
  },
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   "source": [
    "## 1. Get the Halpha velocity and stellar velocity maps"
   ]
  },
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   "source": [
    "## 2. Create a map of the difference between the Halpha and stellar velocities"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Hint: copy one of the maps and modify the `value`, `mask`, and `property_name` attributes. "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 3. Plot the difference map using the Marvin Maps `plot` function"
   ]
  },
  {
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   "metadata": {
    "deletable": true,
    "editable": true
   },
   "source": [
    "## 4. Stack spectra in inner gas disk"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "deletable": true,
    "editable": true
   },
   "source": [
    "## 5. Plot stacked spectra from red and blue sides using Marvin Spectrum `plot` functionality"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true,
    "deletable": true,
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   "source": [
    "Hint: divide the Halpha spectrum flux by 2 to get similar normalizations"
   ]
  },
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