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Vigorous star formation with low efficiency in massive disk galaxies at z=1.5
E. Daddi, H. Dannerbauer, D. Elbaz +4
We present the first detection of molecular gas cooling CO emission lines from ordinary massive galaxies at z=1.5. Two sources were observed with the IRAM Plateau de Bure Interfero…
Multiwavelength study of massive galaxies at z~2. II. Widespread Compton thick AGN and the concurrent growth of black holes and bulges
E. Daddi, D. M. Alexander, M. Dickinson +16
Approximately 20-30% of 1.4<z<2.5 galaxies with K<22 (Vega) detected with Spitzer MIPS at 24um show excess mid-IR emission relative to that expected based on the rates of star form…
Resolved Galaxies in the Hubble Ultra Deep Field: Star Formation in Disks at High Redshift
Debra Meloy Elmegreen, Bruce G. Elmegreen, Swara Ravindranath +1
The photometric redshift distributions, spectral types, Sersic indices, and sizes of all resolved galaxies in the Hubble Space Telescope Ultra Deep Field (UDF) are studied in order…
Evolution of the Luminosity Function, Star Formation Rate, Morphology and Size of Star-forming Galaxies Selected at Rest-frame 1500A and 2800A
Tomas Dahlen, Bahram Mobasher, Mark Dickinson +4
Using the multiwavelength photometric and spectroscopic data covering the CDF-S obtained within the GOODS, we investigate the rest-frame UV properties of galaxies to z~2.2, includi…
The Morphological Diversities Among Star-forming Galaxies at High Redshifts in the Great Observatories Origins Deep Survey (GOODS)
S. Ravindranath, M. Giavalisco, H. C. Ferguson +8
We have used the HST/ACS images to identify 4700 Lyman break galaxies (LBGs) in GOODS. We present the results from a parametric analysis of the 2-D surface brightness profiles, for…
Tracing Galaxy Assembly: Tadpole Galaxies in the Hubble Ultra Deep Field
A. N. Straughn, S. H. Cohen, R. E. Ryan +3
In the Hubble Ultra Deep Field (HUDF) an abundance of galaxies is seen with a knot at one end plus an extended tail, resembling a tadpole. These "tadpole galaxies" appear dynamical…