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The Hα Luminosity Function and Global Star Formation Rate from Redshifts of 1–2

The Hα Luminosity Function and Global Star Formation Rate from Redshifts of 1–2

We present a luminosity function for Hα emission from galaxies at redshifts between 0.7 and 1.9 based on slitless spectroscopy with the near-infrared camera and multiobject spectrometer on the Hubble Space Telescope. The luminosity function is well fit by a Schechter function over the range 6 × 1041 < L41 …