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A Kiloparsec-Scale Binary Active Galactic Nucleus Confirmed by the Expanded Very Large Array
Hai Fu, Zhi-Yu Zhang, Roberto J. Assef +6
We report the confirmation of a kpc-scale binary active galactic nucleus (AGN) with high-resolution radio images from the Expanded Very Large Array (EVLA). SDSS J150243.1+111557 is…
The Nature of Double-Peaked [O III] Active Galactic Nuclei
Hai Fu, Lin Yan, Adam D. Myers +4
Active galactic nuclei (AGNs) with double-peaked [O III] lines are suspected to be sub-kpc or kpc-scale binary AGNs. However, pure gas kinematics can produce the same double-peaked…
WISE Discovery of Low Metallicity Blue Compact Dwarf Galaxies
Roger L. Griffith, Chao-Wei Tsai, Daniel Stern +10
We report two new low metallicity blue compact dwarf galaxies (BCDs), WISEP J080103.93+264053.9 (hereafter W0801+26) and WISEP J170233.53+180306.4 (hereafter W1702+18), discovered…
Extended Schmidt Law: Role Of Existing Stars In Current Star Formation
Yong Shi, George Helou, Lin Yan +4
We propose an "extended Schmidt law" with explicit dependence of the star formation efficiency (SFE=SFR/Mgas) on the stellar mass surface density. This relation has a power-law ind…
A massive proto-cluster of galaxies at a redshift of z {\approx} 5.3
Peter L. Capak, Dominik Riechers, Nick Z. Scoville +14
Massive clusters of galaxies have been found as early as 3.9 Billion years (z=1.62) after the Big Bang containing stars that formed at even earlier epochs. Cosmological simulations…
HST/NICMOS Imaging of Bright High-Redshift 24μm-selected Galaxies: Merging Properties
Michel Zamojski, Lin Yan, Kalliopi Dasyra +4
We present new results on the physical nature of infrared-luminous sources at 0.5<z<2.8 as revealed by HST/NICMOS imaging and IRS mid-infrared spectroscopy. Our sample consists of…