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Physical and Morphological Properties of [O II] Emitting Galaxies in the HETDEX Pilot Survey
Joanna S. Bridge, Caryl Gronwall, Robin Ciardullo +8
The Hobby-Eberly Dark Energy Experiment pilot survey identified 284 [O II] 3727 emitting galaxies in a 169 square-arcminute field of sky in the redshift range 0 < z < 0.57. This li…
HST Emission Line Galaxies at z ~ 2: The Mystery of Neon
Gregory Zeimann, Robin Ciardullo, Henry Gebhardt +6
We use near-IR grism spectroscopy from the Hubble Space Telescope to examine the strength of [Ne~III] 3869 relative to H-beta, [O~II] 3727 and [O~III] 5007 in 236 low mass (7.5 < l…
HST Emission Line Galaxies at z ~ 2: The Ly-alpha Escape Fraction
Robin Ciardullo, Gregory Zeimann, Caryl Gronwall +8
We compare the H-beta line strengths of 1.90 < z < 2.35 star-forming galaxies observed with the near-IR grism of the Hubble Space Telescope with ground-based measurements of Ly-alp…
Comparing Infrared Star-Formation Rate Indicators with Optically-Derived Quantities
Jason E. Young, Caryl Gronwall, John J. Salzer +1
We examine the UV reprocessing efficiencies of warm dust and polycyclic aromatic hydrocarbons (PAHs) through an analysis of the mid- and far-infrared surface luminosity densities o…
The HETDEX Pilot Survey V: The Physical Origin of Lyman-alpha Emitters Probed by Near-infrared Spectroscopy
Mimi Song, Steven L. Finkelstein, Karl Gebhardt +19
We present the results from a VLT/SINFONI and Keck/NIRSPEC near-infrared spectroscopic survey of 16 Lyman-alpha emitters (LAEs) at = 2.1 - 2.5 in the COSMOS and GOODS-N fields…
3D-HST Emission Line Galaxies at z ~ 2: Discrepancies in the Optical/UV Star Formation Rates
Gregory R. Zeimann, Robin Ciardullo, Henry Gebhardt +6
We use Hubble Space Telescope near-IR grism spectroscopy to examine the H-beta line strengths of 260 star-forming galaxies in the redshift range 1.90 < z < 2.35. We show that at th…
Spectral Energy Distribution Fitting of HETDEX Pilot Survey Lyman-alpha Emitters in COSMOS and GOODS-N
Alex Hagen, Robin Ciardullo, Caryl Gronwall +15
We use broadband photometry extending from the rest-frame UV to the near-IR to fit the individual spectral energy distributions (SEDs) of 63 bright (L(Ly-alpha) > 10^43 ergs/s) Ly-…
A View of Point Sources in Hickson Compact Groups: High AGN fraction but a dearth of strong AGNs
P. Tzanavaris, S. C. Gallagher, A. E. Hornschemeier +6
We present X-ray point source catalogs for 9 Hickson Compact Groups (HCGs, 37 galaxies) at distances Mpc. We perform detailed X-ray point source detection and p…