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Probing the faint end of the quasar luminosity function at z ~ 4 in the COSMOS field
H. Ikeda, T. Nagao, K. Matsuoka +16
We searched for quasars that are ~ 3 mag fainter than the SDSS quasars in the redshift range 3.7 < z < 4.7 in the COSMOS field to constrain the faint end of the quasar luminosity f…
The thick disk in the galaxy NGC 4244 from S4G imaging
Sébastien Comerón, Johan H. Knapen, Kartik Sheth +16
If thick disks are ubiquitous and a natural product of disk galaxy formation and/or evolution processes, all undisturbed galaxies which have evolved during a significant fraction o…
The local radio-IR correlation in M51
G. Dumas, E. Schinnerer, F. S. Tabatabaei +3
We observed M51 at three frequencies, 1.4GHz (20cm), 4.9GHz (6cm) and 8.4GHz (3.6cm), with the VLA and the Effelsberg 100m telescope to obtain the highest quality radio continuum i…
The star formation history of mass-selected galaxies in the COSMOS field
Alexander Karim, Eva Schinnerer, Alejo Martinez-Sansigre +10
We explore the evolution of the specific star formation rate (SSFR) for 3.6um-selected galaxies of different M_* in the COSMOS field. The average SFR for sub-sets of these galaxies…
High-resolution mapping of the physical conditions in two nearby active galaxies based on 12CO(1-0), (2-1) and (3-2) lines
F. Boone, S. Garcia-Burillo, F. Combes +7
We present a detailed analysis of high resolution observations of the three lowest CO transitions in two nearby active galaxies, NGC4569 and NGC4826. The CO(1-0) and (2-1) lines we…
The Spitzer Survey of Stellar Structure in Galaxies (S^4G)
Kartik Sheth, Michael Regan, Joannah L. Hinz +35
The Spitzer Survey of Stellar Structure in Galaxies S^4G is an Exploration Science Legacy Program approved for the Spitzer post-cryogenic mission. It is a volume-, magnitude-, and…