Huub Röttgering

Dust emission from a parsec-scale structure in the Seyfert 1 nucleus of NGC 4151 (2009)

Burtscher, Leonard, Jaffe, Walter, Raban, David, Meisenheimer, Klaus, Tristram, Konrad R. W., Röttgering, Huub

We report mid-IR interferometric measurements with \sim 10 mas resolution, which resolve the warm (T = 285 +25 / -50 K) thermal emission at the center of NGC 4151. Using pairs of VLT 8.2 m telescopes...

Parsec-scale dust distributions in Seyfert galaxies - Results of the MIDI AGN snapshot survey (2009)

Tristram, Konrad R. W., Raban, David, Meisenheimer, Klaus, Jaffe, Walter, Röttgering, Huub, Burtscher, Leonard, ...

The emission of warm dust dominates the mid-infrared spectra of active galactic nuclei (AGN). Only interferometric observations provide the necessary angular resolution to resolve the nuclear dust...

Resolving the obscuring torus in NGC 1068 with the power of infrared interferometry: Revealing the inner funnel of dust (2009)

Raban, David, Jaffe, Walter, Röttgering, Huub, Meisenheimer, Klaus, Tristram, Konrad R. W.

We present new interferometric data obtained with MIDI (MID infrared Interferometric instrument) for the Seyfert II galaxy NGC 1068, with an extensive coverage of sixteen uv points. These...

A population of faint extended line emitters and the host galaxies of optically thick QSO absorption systems (2008)

Rauch, Michael, Haehnelt, Martin, Bunker, Andrew, Becker, George, Marleau, Francine, Graham, James, ...

We have conducted a long-slit search for low surface brightness Lyα emitters at redshift 2.67 < z < 3.75. A 92 hr long exposure with the ESO VLT FORS2 instrument down to a 1σ surface brightness...

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....

Mid-infrared interferometry of Active Galactic Nuclei: an outstanding scientific success of the VLTI (2008)

Meisenheimer, Klaus, Raban, David, Tristram, Konrad, Schartmann, Marc, Jaffe, Walter, Röttgering, Huub, ...

Active Galactic Nuclei (AGN) are powered by accretion onto a supermassive black hole. The unified scheme for strongly accreting AGN postulates that the central engine is enshrouded by a...

Metal-Enriched Gaseous Halos around Distant Radio Galaxies: Clues to Feedback in Galaxy Formation (2007)

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...

What do we learn from IRAC observations of galaxies at 2 < z < 3.5? (2007)

Wuyts, Stijn, Labbé, Ivo, Franx, Marijn, Rudnick, Gregory, Van Dokkum, Pieter G., Fazio, Giovanni G., ...

We analyze very deep HST, VLT, and Spitzer photometry of galaxies at 21] galaxies, but only by a factor of 1.3 for blue [(U-V)rest2. The most massive galaxies at high redshift have red rest-frame U-V...

Evolution of Galaxies Since Z~3:COMBINING SDSS, GEMS and FIRES (2007)

Trujillo, Ignacio, Förster Schreiber, Natascha M., Rudnick, Gregory, Barden, Marco, Franx, Marijn, Rix, Hans-Walter, ...

We present the evolution of the luminosity size and stellar mass size relations of luminous (LV > 3.4×1010h70 -2Lo) and of massive (M* >3×1010h70 -2Mo) galaxies in the last˜11 Gyr. We use very...

The size evolution of galaxies since z~3: Combining SDSS, GEMS, and FIRES (2006)

Trujillo, Ignacio, Förster Schreiber, Natascha M., Rudnick, Gregory, Barden, Marco, Franx, Marijn, Rix, Hans-Walter, ...

We present the evolution of the luminosity-size and stellar mass-size relations of luminous (LV>~3.4×1010 h-270 Lsolar) and massive (M*>~3×1010 h-270 Msolar) galaxies in the last ~11 Gyr. We use...

Measuring the average evolution of luminous galaxies at z < 3: The rest-frame optical luminosity density, spectral energy distribution, and stellar mass density (2006)

Rudnick, Gregory, Labbé, Ivo, Förster Schreiber, Natascha M., Wuyts, Stijn, Franx, Marijn, Finlator, Kristian, ...

We present the evolution of the volume-averaged properties of the rest-frame optically luminous (LV>3×1010 h-270 Lsolar) galaxy population to z~3, determined from four disjoint deep fields. We...

The CFHT Legacy Survey: The Morphology-Density Relation of Galaxies out to Z~1 (2005)

Nuijten, Martijn, Simard, Luc, Gwyn, Stephen, Röttgering, Huub

We study the relationships between galaxy total luminosity (M_g), morphology, color and environment as a function of redshift. We use a magnitude-limited sample of 65,624 galaxies in the redshift...

IRAC mid-infrared imaging of the Hubble Deep Field-South: Star formation histories and stellar masses of red galaxies at z>2 (2005)

Labbé, Ivo, Huang, Jiasheng, Franx, Marijn, Rudnick, Gregory, Barmby, Pauline, Daddi, Emanuele, ...

We present deep 3.6-8 mum imaging of the Hubble Deep Field-South with the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. We study distant red galaxies (DRGs) at z>2 selected by...

The luminosity-size and mass-size relations of galaxies out to z ~ 3 (2004)

Trujillo, Ignacio, Rudnick, Gregory, Rix, Hans-Walter, Labbé, Ivo, Franx, Marijn, Daddi, Emanuele, ...

The luminosity-size and mass-size distributions of galaxies out to z~3 are presented. We use very deep near-infrared images of the Hubble Deep Field-South in the Js, H, and Ks bands, taken as part of...

Stellar populations and kinematics of red galaxies at z > 2: Implications for the formation of massive galaxies (2004)

Van Dokkum, Pieter G., Franx, Marijn, Förster Schreiber, Natascha M., Illingworth, Garth D., Daddi, Emanuele, Knudsen, Kirsten Kraiberg, ...

We recently identified a substantial population of galaxies at z‚‚gt;2 with comparatively red rest-frame optical colors. These distant red galaxies (DRGs) are efficiently selected by the simple...

A significant population of red, near-infrared-selected high-redshift galaxies (2003)

Franx, Marijn, Labbé, Ivo, Rudnick, Gregory, Van Dokkum, Pieter G., Daddi, Emanuele, Förster Schreiber, Natascha M., ...

We use very deep near-infrared photometry of the Hubble Deep Field-South taken with ISAAC on the Very Large Telescope to identify a population of high-redshift galaxies with rest-frame optical colors...

Ultradeep near-infrared ISAAC observations of the Hubble Deep Field South: Observations, reduction, multicolor catalog, and photometric redshifts (2003)

Labbé, Ivo, Franx, Marijn, Rudnick, Gregory, Schreiber, Natascha M., Förster Schreiber, Natascha M., Rix, Hans-Walter, ...

We present deep near-infrared (NIR) Js-, H-, and Ks-band ISAAC imaging of the Wide Field Planetary Camera 2 (WFPC2) field of the Hubble Deep Field South (HDF-S). The 2.5 arcmin; times;2.5 arcmin;...

Large disklike galaxies at high redshift (2003)

Labbé, Ivo, Rudnick, Gregory, Franx, Marijn, Daddi, Emanuele, Van Dokkum, Pieter G., Förster Schreiber, Natascha M., ...

Using deep near-infrared imaging of the Hubble Deep Field-South with the Infrared Spectrometer and Array Camera on the Very Large Telescope, we find six large disklike galaxies at redshifts...

The rest-frame optical luminosity density, color, and stellar mass density of the Universe from z = 0 to z = 3 (2003)

Rudnick, Gregory, Rix, Hans-Walter, Franx, Marijn, Labbé, Ivo, Blanton, Michael, Daddi, Emanuele, ...

We present the evolution of the rest-frame optical luminosity density jrest lambda;, the integrated rest-frame optical color, and the stellar mass density, rho;*, for a sample of Ks band-selected...

Spectroscopic confirmation of a substantial population of luminous red galaxies at redshifts z>~2 (2003)

Van Dokkum, Pieter G., Förster Schreiber, Natascha M., Franx, Marijn, Daddi, Emanuele, Illingworth, Garth D., Labbé, Ivo, ...

We confirm spectroscopically the existence of a population of galaxies at z gt;~2 with rest-frame optical colors similar to normal nearby galaxies. The galaxies were identified by their red...

Ultra-Steep Spectrum Radio Galaxies at Hy Redshifts (1999)

Van Breugel, Wil, De Breuck, Carlos, Stanford, Adam, Röttgering, Huub, Miley, George, Stern, Daniel, ...

Radio sources have traditionally provided convenient beacons for probing the early Universe. Hy Spinrad was among the first of the tenacious breed of observers who would attempt to obtain optical...

Extremely Red Galaxies: Old or Dusty ? (1998)

Cimatti, Andrea, Andreani, Paola, Röttgering, Huub, Tilanus, Remo

The nature of the extremely red galaxies is poorly known, the critical issue being whether they are old ellipticals at $z>1.5$ or distant star-forming galaxies strongly reddened by dust extinction....

Vigorous star formation hidden by dust in a galaxy at $z=1.4$ (1998)

Cimatti, Andrea, Andreani, Paola, Röttgering, Huub, Tilanus, Remo

Near-infrared surveys have revealed a substantial population of enigmatic faint galaxies with extremely red optical-to-near-infrared colours and with a sky surface density comparable to that of faint...