Le 22 décembre 2017
De 10h30 à 12h00

Max Gronke UC Santa Barbara   The Lyman-alpha (Lya) of neutral hydrogen is the most prominent...

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Pan-STARRS and Gaia Synergies

Le 21 avril 2017
De 10h30 à 12h00

Gene Magnier

IfA Hawaii


Pan-STARRS and Gaia both had their Data Release 1 in the latter half of 2016.  With photometry and astrometry of roughly 3 billion astronomical objects, the Pan-STARRS DR1 has substantial overlap with Gaia, but pushes significantly deeper in the red photometry bands. The Pan-STARRS DR1 provides photometry in 5 well-calibrated, well-defined bandpasses (grizy) astrometrically registered to the Gaia frame.  I will discuss how the Pan-STARRS team has combined the two surveys to improve the calibration of the Pan-STARRS astrometry for DR1 and DR2.  I will also discuss ways Gaia can benefit from Pan-STARRS as a photometric reference.  I will finish by illustrating the astrometric capability of Pan-STARRS with examples from the local solar neighborhood.

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