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A Multiwavelength Analysis of the Strong Lensing Cluster RCS 022434-0002.5 at z=0.778
Amalia K. Hicks, Erica Ellingson, Henk Hoekstra +6
We present the results of two (101 ks total) Chandra observations of the z=0.778 optically selected lensing cluster RCS022434-0002.5, along with weak lensing and dynamical analyses…
Evidence for a Population of High-Redshift Submillimeter Galaxies from Interferometric Imaging
Joshua D. Younger, Giovanni G. Fazio, Jia-Sheng Huang +22
We have used the Submillimeter Array to image a flux limited sample of seven submillimeter galaxies, selected by the AzTEC camera on the JCMT at 1.1 mm, in the COSMOS field at 890u…
HST and Spitzer imaging of red and blue galaxies at z~2.5: A correlation between size and star formation activity from compact quiescent galaxies to extended star forming galaxies
S. Toft, P. van Dokkum, M. Franx +13
We present HST NICMOS+ACS and Spitzer IRAC+MIPS observations of 41 galaxies at 2<z<3.5 in the FIRES MS1054 field with red and blue rest-frame optical colors. About half of the gala…
A SCUBA/Spitzer Investigation of the Far Infra-Red Extragalactic Background
S. Dye, S. A. Eales, M. L. N. Ashby +5
We have measured the contribution of submillimeter and mid-infrared sources to the extragalactic background radiation at 70 and 160um. Specifically, we have stacked flux in 70 and…
Mid-Infrared Identifications of SCUBA Galaxies in the CUDSS 14-Hour Field with the Spitzer Space Telescope
M. L. N. Ashby, S. Dye, J. -S. Huang +12
We identify 17 possible 8.0 micron-selected counterparts to the submillimeter galaxies in the CUDSS 14-hour field, derived from deep imaging carried out with the IRAC and MIPS inst…
An investigation of the submillimeter background radiation using SCUBA and Spitzer
S. Dye, S. A. Eales, M. L. N. Ashby +8
We investigate the redshift dependence of the contribution to the extragalactic far-infrared/sub-millimeter background from galaxies detected by the Spitzer Space Telescope at 8um…
Star Formation in Distant Red Galaxies: Spitzer observations in the Hubble Deep Field South
Tracy Webb, Pieter van Dokkum, Eiichi Egami +12
We present Spitzer 24micron imaging of 1.5 < z < 2.5 Distant Red Galaxies (DRGs) in the 10arcmin by 10arcmin Extended Hubble Deep Field South of the Multiwavelength Survey by Yale-…
Submillimeter Imaging of RCS022434-0002.5: Intense Activity in a High-Redshift Cluster?
T. M. A. Webb, H. K. C. Yee, R. J. Ivison +4
We present deep 850micron imaging of the z=0.773 strong lensing galaxy cluster RCSJ022434-0002.5 from the Red-Sequence Cluster Survey (RCS). These data are part of a larger submill…
Deep near-infrared spectroscopy of submillimetre-selected galaxies
Chris Simpson, J. S. Dunlop, S. A. Eales +4
We present the results of deep near-infrared spectroscopy of seven submillimetre-selected galaxies from the SCUBA 8-mJy and CUDSS surveys. These galaxies were selected because they…
The Canada-UK Deep Submillimetre Survey VIII: Source Identifications in the 3-hour field
Dave Clements, Steve Eales, Kris Wojciechowski +10
We present optical, near-infrared and radio observations of the 3-hour field of the Canada-UK Deep Submillimetre Survey. Of the 27 submillimetre sources in the field, nine have sec…
Variable Stars in Metal-Rich Globular Clusters. II. NGC 6316
A. C. Layden, B. T. Bowes, D. L. Welch +1
We present time-series VI photometry of the metal-rich globular cluster NGC 6316. Our color-magnitude diagrams show a predominantly red-clump horizontal branch morphology with no e…
XMM-Newton Surveys of the CFRS Fields - I: The Sub-mm/X-ray relation
Timothy J. Waskett, Stephen A. Eales, Walter K. Gear +7
First results from XMM-Newton observations of the Canada France Redshift Survey (CFRS) 3hr, 10hr and 14hr fields are presented. Limited regions of two of the XMM surveys (3 and 14h…
Faint star counts in the near-infrared
J. B. Hutchings, P. B. Stetson, A. Robin +1
We discuss near-infrared star counts at the Galactic pole with a view to guiding the NGST and ground-based NIR cameras. Star counts from deep K-band images from the CFHT are presen…
The Canada-UK Deep Submillimeter Survey VI: The 3-Hour Field
T. M. A. Webb, S. A. Eales, S. J. Lilly +5
We present the complete submillimeter data for the Canada-UK Deep Submillimeter Survey (CUDSS) 3-hour field. The obeservations were taken with the Submillimeter Common-User Bolomet…
The Canada-UK Deep Submillimeter Survey V: The Submillimeter Properties of Lyman-Break Galaxies
T. M. A. Webb, S. Eales, S. Foucaud +9
We have used 850m maps obtained as part of the Canada-UK Deep Submillimeter Survey (CUDSS) to investigate the sub-mm properties of Lyman-break galaxies (LBGs). We used three sam…
The Canada-UK Deep Submillimetre Survey: The Survey of the 14-hour field
Stephen Eales, Simon Lilly, Tracy Webb +4
We have used SCUBA to survey an area of 50 square arcmin, detecting 19 sources down to a 3sigma sensitivity limit of 3.5 mJy at 850 microns. We have used Monte-Carlo simulations to…
High spatial resolution observations of CUDSS14A: a SCUBA-selected Ultraluminous galaxy at high redshift
W. K. Gear, S. J. Lilly, J. A. Stevens +4
We present a high-resolution millimetre interferometric image of the brightest SCUBA-selected galaxy from the Canada-UK deep SCUBA survey (CUDSS). We make a very clear detection at…
Deep sub-mm surveys: High redshift ULIRGs and the formation of the metal-rich spheroids
Simon Lilly, Stephen Eales, Walter Gear +3
Deep surveys of the sky at millimeter wavelengths have revealed a population of ultra-luminous infrared galaxies (ULIRGs) at high redshifts. These appear similar to local objects o…
The Variable Stars and Blue Horizontal Branch of the Metal-Rich Globular Cluster NGC 6441
A. C. Layden, L. A. Ritter, D. L. Welch +1
We present time-series VI photometry of the metal-rich ([Fe/H] = -0.53) globular cluster NGC 6441. Our color-magnitude diagram shows that the extended blue horizontal branch seen i…
Unveiling Palomar 2: The Most Obscure Globular Cluster in the Outer Halo
W. E. Harris, P. R. Durrell, G. R. Petitpas +2
We present the first color-magnitude study for Palomar 2, a distant and heavily obscured globular cluster near the Galactic anticenter. Our (V,V-I) color-magnitude diagram (CMD), o…