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Gaia data, Pan-STARRS photometry, and stream selection masks for the region around the GD-1 stream

Price-Whelan, Adrian M.; Bonaca, Ana


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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.1295543", 
  "title": "Gaia data, Pan-STARRS photometry, and stream selection masks for the region around the GD-1 stream", 
  "issued": {
    "date-parts": [
      [
        2018, 
        6, 
        21
      ]
    ]
  }, 
  "abstract": "<p>This file contains:</p>\n\n<ul>\n\t<li>relevant columns from Gaia DR2</li>\n\t<li>Pan-STARRS (PS1) photometry (grizy)</li>\n\t<li>de-reddened PS1 photometry (g0, r0, etc.)</li>\n\t<li>binary masks to apply to select out stars that pass our proper motion and color-magnitude diagram selection (pm_mask, gi_cmd_mask)</li>\n\t<li>a binary mask to apply to select out stars in the stream track defined in <a href=\"https://arxiv.org/abs/1805.00425\">Price-Whelan &amp; Bonaca (2018) </a>(stream_track_mask)</li>\n\t<li>GD-1 positional coordinates (phi1, phi2)</li>\n\t<li>Proper motions in the GD-1 coordinate system (pm_phi1_cosphi2, pm_phi2)</li>\n\t<li>Proper motions in the GD-1 coordinate system, corrected for solar reflex motion (pm_phi1_cosphi2_no_reflex, pm_phi2_no_reflex)</li>\n</ul>\n\n<p>To select out probable members of the GD-1 stream in, e.g., Python, use:</p>\n\n<pre><code class=\"language-python\">from astropy.table import Table\ntbl = Table.read('gd1-with-masks.fits')\ntbl = tbl[tbl['pm_mask'] &amp; tbl['gi_cmd_mask']]</code></pre>\n\n<p>To select out only stars within the stream track identified in <a href=\"https://arxiv.org/abs/1805.00425\">Price-Whelan &amp; Bonaca (2018)</a>, do:</p>\n\n<pre><code class=\"language-python\">from astropy.table import Table\ntbl = Table.read('gd1-with-masks.fits')\ntbl = tbl[tbl['pm_mask'] &amp; tbl['gi_cmd_mask'] &amp; tbl['stream_track_mask']</code></pre>\n\n<pre>\n&nbsp;</pre>", 
  "author": [
    {
      "family": "Price-Whelan, Adrian M."
    }, 
    {
      "family": "Bonaca, Ana"
    }
  ], 
  "version": "1.0", 
  "type": "dataset", 
  "id": "1295543"
}
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