Radio-loud high-redshift protogalaxy candidates in Bootes (2008)
Croft, Steve, Van Breugel, Wil, Brown, Michael J. I., De Vries, Wim, Dey, Arjun, Eisenhardt, Peter, ...
We used the Near Infrared Camera on Keck I to obtain Ks-band images of four candidate high-redshift radio galaxies selected using optical and radio data in the NOAO Deep Wide-Field Survey in Bootes....
Radio AGN in 13,240 galaxy clusters from the Sloan Digital Sky Survey (2007)
Croft, Steve, De Vries, Wim, Becker, Robert H.
We correlate the positions of 13,240 Brightest Cluster Galaxies (BCGs) with 0.1
Reuland, Michiel, Van Breugel, Wil, De Vries, Wim, Dopita, Michael A., Dey, Arjun, Miley, George, ...
We present the results of an optical and near-IR spectroscopic study of giant nebular emission-line halos associated with three z > 3 radio galaxies, 4C 41.17, 4C 60.07, and B2 0902+34. Previous deep...
Imaging and Spectroscopy of Ultra Steep Spectrum Radio Sources (2007)
Bornancini, Carlos G., De Breuck, Carlos, De Vries, Wim, Croft, Steve, Van Breugel, Wil, Rottgering, Huub, ...
We present a sample of 40 Ultra Steep Spectrum (USS, $\alpha \leq -1.3$, $S_{\nu}\propto \nu^{\alpha}$) radio sources selected from the Westerbork in the Southern Hemisphere (WISH) catalog. The USS...
Reuland, Michiel, Van Breugel, Wil, De Vries, Wim, Dopita, Michael A., Dey, Arjun, Miley, George, ...
We present the results of an optical and near-IR spectroscopic study of giant nebular emission line halos associated with three z > 3 radio galaxies, 4C 41.17, 4C 60.07 and B2 0902+34. Previous deep...
Signals from the Noise: Image Stacking for Quasars in the FIRST Survey (2007)
White, Richard L., Helfand, David J., Becker , Robert H., Glikman, Eilat, De Vries, Wim
We present a technique to explore the radio sky into the nanojansky regime by employing image stacking using the FIRST survey. We first discuss the nonintuitive relationship between the mean and...
Minkowski's Object: A Starburst Triggered by a Radio Jet, Revisited (2006)
Croft, Steve, Van Breugel, Wil, De Vries, Wim, Dopita, Mike, Martin, Chris, Morganti, Raffaella, ...
We present neutral hydrogen, ultraviolet, optical and near-infrared imaging, and optical spectroscopy, of Minkowski's Object (MO), a star forming peculiar galaxy near NGC 541. The observations...
Adaptive Optics Imaging Survey of Luminous Infrared Galaxies (2006)
Laag, Edward A., Canalizo, Gabriela, Van Breugel, Wil, Gates, Elinor L., De Vries, Wim, Stanford, S. Adam
We present high resolution imaging observations of a sample of previously unidentified far-infrared galaxies at z < 0.3. The objects were selected by cross-correlating the IRAS Faint Source Catalog...
Labiano, Alvaro, Vermeulen, Rene, Barthel, Peter, O'Dea, Christopher, Gallimore, Jack, Baum, Stefi, ...
Also archived in: arXiv: astro-ph/0510563 v1 19 Oct 2005
Atomic hydrogen in the one-sided "compact double" radio galaxy 2050+364 (2006)
Vermeulen, Rene, Labiano, Alvaro, Barthel, Peter, Baum, Stefi, De Vries, Wim, O'Dea, Christopher
Also archived in: arXiv: astro-ph/0510440 v1 14 Oct 2005
Labiano, Alvaro, Vermeulen, Rene, Barthel, Peter, O'Dea, Christopher, Gallimore, Jack, Baum, Stefi, ...
Also archived in: arXiv: astro-ph/0510563 v1 19 Oct 2005
Atomic hydrogen in the one-sided "compact double" radio galaxy 2050+364 (2006)
Vermeulen, Rene, Labiano, Alvaro, Barthel, Peter, Baum, Stefi, De Vries, Wim, O'Dea, Christopher
Also archived in: arXiv: astro-ph/0510440 v1 14 Oct 2005
Spectroscopy of Ultra Steep Spectrum Radio Sources (2005)
De Breuck, Carlos, Van Breugel, Wil, Rottgering, Huub, Stern, Daniel, Miley, George, De Vries, Wim, ...
We present optical spectroscopy of 62 objects selected from several samples of ultra steep spectrum (USS) radio sources. 46 of these are from our primary catalog, consisting of 669 sources with radio...
Star formation in hosts of young radio galaxies (2005)
Labiano, Alvaro, O'Dea, Christopher, Barthel, Peter, De Vries, Wim, Baum, Stefi
Also arcived in arXiv: astro-ph/0512057 v1 2 Dec 2005
Star formation in hosts of young radio galaxies (2005)
Labiano, Alvaro, O'Dea, Christopher, Barthel, Peter, De Vries, Wim, Baum, Stefi
"QSO Hosts: Evolution and Environment" Proceedings of a Lorentz Center Workshop. Held at the Lorentz Center of Leiden University, Leiden, The Netherlands: 22-26 August 2005.
Labiano, Alvaro, O'Dea, Christopher, Gelderman, Richard, De Vries, Wim, Axon, David, Barthel, Peter, ...
Also archived in: arXiv:astro-ph/0504330 v1 14 Apr 2005
Labiano, Alvaro, O'Dea, Christopher, Gelderman, Richard, De Vries, Wim, Axon, David, Barthel, Peter, ...
Also archived in: arXiv:astro-ph/0504330 v1 14 Apr 2005
The Filamentary Large Scale Structure around the z = 2.16 Radio Galaxy PKS 1138-262 (2005)
Croft, Steve, Kurk, Jaron, Van Breugel, Wil, Stanford, S. A., De Vries, Wim, Pentericci, Laura, ...
PKS 1138-262 is a massive radio galaxy at z = 2.16 surrounded by overdensities of Lya emitters, Ha emitters, EROs and X-ray emitters. Numerous lines of evidence exist that it is located in a forming...
Jet-Induced Star Formation: Good News From Big Bad Black Holes (2004)
Van Breugel, Wil, Fragile, Chris, Croft, Stephen, De Vries, Wim, Anninos, Peter, Murray, Stephen
We discuss obbservations and numerical simulations which show that radiative shocks in jet-cloud collisions can trigger the collapse of intergalactic clouds and subsequent star formation in low...
Bornancini, Carlos G., Martinez, Hector J., Lambas, Diego G., De Vries, Wim, Van Breugel, Wil, De Breuck, Carlos, ...
We have analyzed galaxy properties in the neighborhood of 20 Ultra-Steep Spectrum Radio sources (USS) taken from the WISH catalog of De Breuck et al. (2002). Galaxies in these USS fields were...
Long Term Variability of SDSS Quasars (2003)
De Vries, Wim, Becker, Bob, White, Rick
We use a sample of 3791 quasars from the Sloan Digital Sky Survey (SDSS) Early Data Release (EDR), and compare their photometry to historic plate material for the same set of quasars in order to...
Observations of HI absorbing gas in compact radio sources at cosmological redshifts (2003)
Vermeulen, Rene, Pihlstroem, Ylva, Tschager, Wolfgang, De Vries, Wim, Conway, John, Barthel, Peter, ...
Also archived in: arXiv: astro-ph/0304291 v1 15 Apr 2003
Observations of HI absorbing gas in compact radio sources at cosmological redshifts (2003)
Vermeulen, Rene, Pihlstroem, Ylva, Tschager, Wolfgang, De Vries, Wim, Conway, John, Barthel, Peter, ...
Also archived in: arXiv: astro-ph/0304291 v1 15 Apr 2003
Giant Lya nebulae associated with high redshift radio galaxies (2003)
Reuland, Michiel, Van Breugel, Wil, Roettgering, Huub, De Vries, Wim, Stanford, S. A., Dey, Arjun, ...
We report deep Keck narrow-band Lya images of the luminous z > 3 radio galaxies 4C 41.17, 4C 60.07, and B2 0902+34. The images show giant, 100-200 kpc scale emission line nebulae, centered on these...
An Obscured Radio Galaxy at High Redshift (2003)
Reuland, Michiel, Van Breugel, Wil, Roettgering, Huub, De Vries, Wim, De Breuck, Carlos, Stern, Daniel
Perhaps as many as 10% of high redshift radio galaxy (HzRG; z > 2) candidates that are selected using an Ultra Steep radio Spectrum (USS) criterion fail to show optical emission (continuum, lines) in...
Observations of quasar hosts with adaptive optics at Lick Observatory (2002)
Lacy, Mark, Gates, Elinor L., Ridgway, Susan E., De Vries, Wim, Canalizo, Gabriela, Lloyd, James P., ...
We present near-infrared H-band observations of the hosts of three z~1 quasars from the Sloan Digital Sky Survey made with the adaptive optics system at Lick Observatory. We derive a PSF for each...
A Galactic Wind at z = 5.190 (2002)
Dawson, Steve, Spinrad, Hyron, Dey, Arjun, Van Breugel, Wil, De Vries, Wim, Stern, Daniel, ...
We report the serendipitous detection in high-resolution optical spectroscopy of a strong, asymmetric Ly-alpha emission line at z = 5.190. The detection was made in a 2.25 hour exposure with the...
HST STIS Observations of PG 0946+301: the Highest Quality UV Spectrum of a BALQSO (2001)
Arav, Nahum, De Kool, Martijn, Korista, Kirk T., Crenshaw, D. Michael, Van Breugel, Wil, Brotherton, Michael, ...
We describe deep (40 orbits) HST/STIS observations of the BALQSO PG 0946+301 and make them available to the community. These observations are the major part of a multi-wavelength campaign on this...
Spectroscopy of Ultra Steep Spectrum Radio Sources (2000)
De Breuck, Carlos, Van Breugel, Wil, Rottgering, Huub, Stern, Daniel, Miley, George, De Vries, Wim, ...
We present optical spectroscopy of 62 objects selected from several samples of ultra steep spectrum (USS) radio sources. 46 of these are from our primary catalog, consisting of 669 sources with radio...
Evidence Against a Redshift z>6 for the Galaxy STIS 123627+621755 (2000)
Stern, Daniel, Eisenhardt, Peter, Spinrad, Hyron, Dawson, Steve, Van Breugel, Wil, Dey, Arjun, ...
The identification of galaxies at extreme distances provides our most direct information on the earliest phases of galaxy formation. The distance implied by redshifts z > 5 makes this a challenging...
HST/NICMOS observations of the host galaxies of powerful radio sources: Does size matter? (2000)
De Vries, Wim, O'Dea, Christopher, Barthel, Peter, Fanti, Carla, Fanti, Roberto, Lehnert, Matthew
Also archived in: arXiv:astro-ph/0007424 v1 27 Jul 2000
HST/NICMOS observations of the host galaxies of powerful radio sources: Does size matter? (2000)
De Vries, Wim, O'Dea, Christopher, Barthel, Peter, Fanti, Carla, Fanti, Roberto, Lehnert, Matthew
Also archived in: arXiv:astro-ph/0007424 v1 27 Jul 2000
Spectroscopy of Ultra Steep Spectrum Radio Sources (2000)
De Breuck, Carlos, Van Breugel, Wil, Rottgering, Huub, Stern, Daniel, Miley, George, De Vries, Wim, ...
We present optical spectroscopy of 62 objects selected from several samples of ultra steep spectrum (USS) radio sources. 46 of these are from our primary catalog, consisting of 669 sources with radio...
Spectroscopy of Ultra Steep Spectrum Radio Sources (2000)
De Breuck, Carlos, Van Breugel, Wil, Rottgering, Huub, Stern, Daniel, Miley, George, De Vries, Wim, ...
We present optical spectroscopy of 62 objects selected from several samples of ultra steep spectrum (USS) radio sources. 46 of these are from our primary catalog, consisting of 669 sources with radio...