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IR Background Anisotropies in Spitzer GOODS images and constraints on first galaxies
Asantha Cooray, Ian Sullivan, Ranga-Ram Chary +6
We describe the angular power spectrum of unresolved 3.6 micron IR light in Spitzer GOODS fields. The amplitude of the anisotropy spectrum decreases with decreasing flux threshold…
New Hubble Space Telescope Discoveries of Type Ia Supernovae at z > 1: Narrowing Constraints on the Early Behavior of Dark Energy
Adam G. Riess, Louis-Gregory Strolger, Stefano Casertano +18
We have discovered 21 new Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to trace the history of cosmic expansion over the last 10 billion yea…
Discovery of thirteen novae candidates in M87
Juan P. Madrid, William B. Sparks, Henry C. Ferguson +2
We have made thirteen positive identifications of near-ultraviolet (NUV) transient sources in the giant elliptical galaxy M87 using the Space Telescope Imaging Spectrograph (STIS)…
The Metallicity Distribution of Intracluster Stars in Virgo
Benjamin F. Williams, Robin Ciardullo, Patrick R. Durrell +11
We have used the Hubble Space Telescope's Advanced Camera for Surveys (ACS) to detect and measure ~5300 stars in a single intracluster field in the Virgo Cluster. By performing F60…
Virgo's Intracluster Globular Clusters as Seen by the Advanced Camera for Surveys
Benjamin F. Williams, Robin Ciardullo, Patrick R. Durrell +11
We report the discovery of 4 candidate intracluster globular clusters (IGCs) in a single deep HST ACS field of the Virgo Cluster. We show that each cluster is roughly spherical, ha…
Clustering of the IR Background Light with Spitzer: Contribution from Resolved Sources
Ian Sullivan, Asantha Cooray, Ranga-Ram Chary +14
We describe the angular power spectrum of resolved sources at 3.6 microns (L-band) in Spitzer imaging data of the GOODS HDF-N, the GOODS CDF-S, and the NDWFS Bootes field in severa…
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 Hubble Ultra Deep Field
Steven V. W. Beckwith, Massimo Stiavelli, Anton M. Koekemoer +12
This paper presents the Hubble Ultra Deep Field (HUDF), a one million second exposure of an 11 square minute-of-arc region in the southern sky with the Hubble Space Telescope. The…
Far-Ultraviolet Imaging of the Hubble Deep Field North: Star Formation in Normal Galaxies at z<1
H. I. Teplitz, B. Siana, T. M. Brown +9
We present far-ultraviolet (FUV) imaging of the Hubble Deep Field North (HDF-N) taken with the Solar Blind Channel of the Advanced Camera for Surveys (ACS/SBC) and the FUV MAMA det…
NGC922 - A new drop-through ring galaxy
O. I. Wong, G. R. Meurer, K. Bekki +26
We have found the peculiar galaxy NGC922 to be a new drop-through ring galaxy using multi-wavelength (UV-radio) imaging and spectroscopic observations. Its `C'-shaped morphology an…
The Survey for Ionization in Neutral Gas Galaxies- II. The Star Formation Rate Density of the Local Universe
D. J. Hanish, G. R. Meurer, H. C. Ferguson +19
We derive observed Halpha and R band luminosity densities of an HI-selected sample of nearby galaxies using the SINGG sample to be l_Halpha' = (9.4 +/- 1.8)e38 h_70 erg s^-1 Mpc^-3…
The Stellar Masses and Star Formation Histories of Galaxies at z ~ 6: Constraints from Spitzer Observations in the Great Observatories Origins Deep Survey
Haojing Yan, Mark Dickinson, Mauro Giavalisco +3
Using the deep Spitzer IRAC observations of the Great Observatories Origins Deep Survey (GOODS), we study the stellar masses and star formation histories of galaxies at z ~ 6. Our…
The Survey for Ionization in Neutral Gas Galaxies: I. Description and Initial Results
Gerhardt R. Meurer, D. J. Hanish, H. C. Ferguson +19
We introduce the Survey for Ionization in Neutral Gas Galaxies (SINGG), a census of star formation in HI-selected galaxies. The survey consists of H-alpha and R-band imaging of a s…