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A robust morphological classification of high-redshift galaxies using support vector machines on seeing limited images. II. Quantifying morphological k-correction in the COSMOS field at 1<z<2: Ks band vs. I band
M. Huertas-Company, L. Tasca, D. Rouan +10
We quantify the effects of \emph{morphological k-correction} at by comparing morphologies measured in the K and I-bands in the COSMOS area. Ks-band data have indeed the adv…
Ongoing and co-evolving star formation in zCOSMOS galaxies hosting Active Galactic Nuclei
J. D. Silverman, F. Lamareille, C. Maier +60
We present a study of the host galaxies of AGN selected from the zCOSMOS survey to establish if accretion onto supermassive black holes and star formation are explicitly linked up…
Chasing highly obscured QSOs in the COSMOS field
F. Fiore, S. Puccetti, M. Brusa +41
(abridged) We take advantage of the deep Chandra and Spitzer coverage of a large area (more than 10 times the area covered by the Chandra deep fields, CDFs in the COSMOS field, to…
The close environment of 24 micron galaxies at 0.6<z<1.0 in the COSMOS field
K. I. Caputi, K. Kovac, M. Bolzonella +62
We investigate the close environment of 203 Spitzer 24 micron-selected sources at 0.6<z<1.0 using zCOSMOS-bright redshifts and spectra of I<22.5 AB mag galaxies, over 1.5 sq. deg.…
COSMOS Photometric Redshifts with 30-bands for 2-deg2
O. Ilbert, P. Capak, M. Salvato +60
We present accurate photometric redshifts in the 2-deg2 COSMOS field. The redshifts are computed with 30 broad, intermediate, and narrow bands covering the UV (GALEX), Visible-NIR…
Photometric redshift and classification for the XMM-COSMOS sources
M. Salvato, G. Hasinger, O. Ilbert +40
We present photometric redshifts and spectral energy distribution (SED) classifications for a sample of 1542 optically identified sources detected with XMM in the COSMOS field. Our…
Probing the Large-Scale Structure Around the Most Distant Galaxy Clusters from the Massive Cluster Survey
Jeyhan S. Kartaltepe, Harald Ebeling, C. J. Ma +1
We present maps of the cosmic large-scale structure around the twelve most distant galaxy clusters from the Massive Cluster Survey (MACS) as traced by the projected surface density…
Spectroscopic Confirmation Of An Extreme Starburst At Redshift 4.547
Peter Capak, C. L. Carilli, N. Lee +22
We report the spectroscopic confirmation of a sub-mm galaxy (SMG) at z=4.547 with an estimated L_IR=0.5-2.0x10^13 L_sun. The spectra, mid-IR, and X-ray properties indicate the bolo…
The optical spectra of 24 micron galaxies in the COSMOS field: I. Spitzer/MIPS bright sources in the zCOSMOS-bright 10k catalogue
K. I. Caputi, S. J. Lilly, H. Aussel +23
We study zCOSMOS-bright optical spectra for 609 Spitzer/MIPS 24 micron-selected galaxies with S(24um)> 0.30 mJy and I<22.5 (AB mag) over 1.5 sq. deg. of the COSMOS field. From emis…
A robust morphological classification of high-redshift galaxies using support vector machines on seeing limited images. I Method description
M. Huertas-Company, D. Rouan, L. Tasca +2
We present a new non-parametric method to quantify morphologies of galaxies based on a particular family of learning machines called support vector machines. The method, that can b…
An unusually brilliant transient in the galaxy Messier 85
S. R. Kulkarni, E. O. Ofek, A. Rau +11
Historically, variable and transient sources have both surprised astronomers and provided new views of the heavens. Here we report the discovery of an optical transient in the outs…
Evolution of the Frequency of Luminous (\geq L_V*) Close Galaxy Pairs at z < 1.2 in the COSMOS Field
J. S. Kartaltepe, D. B. Sanders, N. Z. Scoville +8
We measure the fraction of luminous galaxies in pairs at projected separations of 5-20 kpc out to z=1.2 in the COSMOS field using ACS images and photometric redshifts derived from…
The First Release COSMOS Optical and Near-IR Data and Catalog
P. Capak, H. Aussel, M. Ajiki +54
We present imaging data and photometry for the COSMOS survey in 15 photometric bands between 0.3um and 2.4um. These include data taken on the Subaru 8.3m telescope, the KPNO and CT…
The Multiple Timescales of Optical Variability of the Blazar 3C 279 During the 2001-2002 Outburst
Jeyhan S. Kartaltepe, Thomas J. Balonek
During 2001-2002 the optically violent variable (OVV) blazar 3C 279 un- derwent the most intense outburst seen during the entire fourteen year history that this quasar has been stu…
Deep GALEX Imaging of the HST/COSMOS Field: A First Look at the Morphology of z~0.7 Star-forming Galaxies
M. A. Zamojski, D. Schiminovich, R. M. Rich +34
We present a study of the morphological nature of redshift z~0.7 star-forming galaxies using a combination of HST/ACS, GALEX and ground-based images of the COSMOS field. Our sample…
The Spitzer Legacy Survey of the HST-ACS 2 sq. deg. COSMOS Field: survey strategy and first analysis
D. B. Sanders, M. Salvato, H. Aussel +39
The Spitzer-COSMOS survey (S-COSMOS) is a Legacy program (Cycles 2+3) designed to carry out a uniform deep survey of the full 2 sq deg COSMOS field in all seven Spitzer bands (3.6,…
Photometric Redshifts of Galaxies in COSMOS
B. Mobasher, P. Capak, N. Z. Scoville +26
We measure photometric redshifts and spectral types for galaxies in the COSMOS survey. We use template fitting technique combined with luminosity function priors and with the optio…
A wide angle tail radio galaxy in the COSMOS field: evidence for cluster formation
V. Smolcic, E. Schinnerer, A. Finoguenov +19
We have identified a complex galaxy cluster system in the COSMOS field via a wide angle tail (WAT) radio galaxy consistent with the idea that WAT galaxies can be used as tracers of…
Limits on Turbulent HI Fluctuations Towards PSR B0329+54 On Scales Between 0.0025 and 12.5 AU
Anthony H. Minter, Dana S. Balser, Jeyhan Karltaltepe
We have measured the HI absorption towards pulsar B0329+54 using the Green Bank Telescope during 18 epochs between 2002 June 30 and 2003 October 10. Three observing epochs consiste…