Stijn Wuyts

Optical Spectroscopy of Distant Red Galaxies (2009)

Wuyts, Stijn, Van Dokkum, Pieter G., Franx, Marijn, Schreiber, Natascha M. Forster, Illingworth, Garth D., Labbe, Ivo, ...

We present optical spectroscopic follow-up of a sample of Distant Red Galaxies (DRGs) with K < 22.5 (Vega), selected by J-K > 2.3, in the Hubble Deep Field South, the MS 1054-03 field, and the...

Discriminating Between the Physical Processes that Drive Spheroid Size Evolution (2009)

Hopkins, Philip F., Bundy, Kevin, Hernquist, Lars, Wuyts, Stijn, Cox, Thomas J.

Massive galaxies at high-z have smaller effective radii than those today, but similar central densities. Their size growth therefore relates primarily to the evolving abundance of low-density...

Star formation in the CDFS: observations confront simulations (2009)

Damen, Maaike, Schreiber, Natascha M. Förster, Franx, Marijn, Labbé, Ivo, Toft, Sune, Van Dokkum, Pieter G., ...

We investigate the star formation history of the universe using FIREWORKS, a multiwavelength survey of the CDFS. We study the evolution of the specific star formation rate (sSFR) with redshift in...

Color Distributions, Number and Mass Densities of Massive Galaxies at 1.5 < z < 3: Comparing Observations with Merger Simulations (2009)

Wuyts, Stijn, Franx, Marijn, Cox, Thomas J., Schreiber, Natascha M. Forster, Hayward, Christopher C., Hernquist, Lars, ...

We present a comparison between the observed color distribution, number and mass density of massive galaxies at 1.5 < z < 3 and a model by Hopkins et al. that relates the quasar and galaxy population...

A Public, K-Selected, Optical-to-Near-Infrared Catalog of the Extended Chandra Deep Field South (ECDFS) from the MUltiwavelength Survey by Yale-Chile (MUSYC) (2009)

Taylor, Edward N, Franx, Marijn, Van Dokkum, Pieter G, Quadri, Ryan F, Gawiser, Eric, Bell, Eric F, ...

We present a new K-selected, optical-to-near-infrared photometric catalog of the Extended Chandra Deep Field South (ECDFS), making it publicly available to the astronomical community. The dataset is...

Recovering Stellar Population Properties and Redshifts from Broad-Band Photometry of Simulated Galaxies: Lessons for SED Modeling (2009)

Wuyts, Stijn, Franx, Marijn, Cox, Thomas J., Hernquist, Lars, Hopkins, Philip F., Robertson, Brant E., ...

We present a detailed analysis of our ability to determine stellar masses, ages, reddening and extinction values, and star formation rates of high-redshift galaxies by modeling broad-band SEDs with...

The Evolution of the Stellar Mass Function of Galaxies from z=4.0 and the First Comprehensive Analysis of its Uncertainties: Evidence for Mass-dependent Evolution (2008)

Marchesini, Danilo, Van Dokkum, Pieter G., Schreiber, Natascha M. Forster, Franx, Marijn, Labbe', Ivo, Wuyts, Stijn

[Abridged] We present the evolution of the stellar mass function (SMF) of galaxies from z=4.0 to z=1.3 measured from a sample constructed from the deep NIR MUSYC, the FIRES, and the GOODS-CDFS...

The Rise of Massive Red Galaxies: the color-magnitude and color-stellar mass diagrams for z < ~2 from the MUltiwavelength Survey by Yale-Chile (MUSYC) (2008)

Taylor, Edward N, Franx, Marijn, Van Dokkum, Pieter G, Bell, Eric F, Brammer, Gabriel B, Rudnick, Gregory, ...

We present the color-magnitude and color-stellar mass diagrams for galaxies with z_phot < ~2, based on a K < 22 (AB) catalog of the Extended Chandra Deep Field South (ECDFS) from the MUltiwavelength...

Structure and star formation in galaxies out to z=3: evidence for surface density dependent evolution and upsizing (2008)

Franx, Marijn, Van Dokkum, Pieter G., Schreiber, Natascha M. Foerster, Wuyts, Stijn, Labbe, Ivo, Toft, Sune

We present an analysis of galaxies in the CDF-South. We find a tight relation to z=3 between color and size at a given mass, with red galaxies being small, and blue galaxies being large. We show that...

Dissipation and Extra Light in Galactic Nuclei: IV. Evolution in the Scaling Relations of Spheroids (2008)

Hopkins, Philip F., Hernquist, Lars, Cox, Thomas J., Keres, Dusan, Wuyts, Stijn

We develop a model for the origins and redshift evolution of spheroid scaling relations. We consider spheroid sizes, velocity dispersions, masses, profile shapes (Sersic indices), and black hole (BH)...

FIREWORKS U38-to-24 micron photometry of the GOODS-CDFS: multi-wavelength catalog and total IR properties of distant Ks-selected galaxies (2008)

Wuyts, Stijn, Labbe, Ivo, Schreiber, Natascha M. Forster, Franx, Marijn, Rudnick, Gregory, Brammer, Gabriel B., ...

We present a Ks-selected catalog, dubbed FIREWORKS, for the Chandra Deep Field South (CDFS) containing photometry in U_38, B_435, B, V, V_606, R, i_775, I, z_850, J, H, Ks, [3.6 um], [4.5 um], [5.8...

A Near-Infrared Spectroscopic Survey of K-selected Galaxies at z~2.3: Redshifts and Implications for Broadband Photometric Studies (2008)

Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Illingworth, Garth D., Marchesini, Danilo, Quadri, Ryan, ...

Using the Gemini Near-InfraRed Spectrograph (GNIRS), we have completed a near-infrared spectroscopic survey for K-bright galaxies at z~2.3, selected from the MUSYC survey. We derived spectroscopic...

A near-infrared spectroscopic survey of K-selected galaxies at z 2.3: redshifts and implications for broadband photometric studies (2008)

Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Illingworth, Garth D., Marchesini, Danilo, Quadri, Ryan, ...

FIREWORKS U38–to–24 μm photometry of the GOODS Chandra deep field–south: multiwavelength catalog and total infrared properties of distant Ks-selected galaxies (2008)

Wuyts, Stijn, Labbé, Ivo, Förster Schreiber, Natascha M., Franx, Marijn, Rudnick, Gregory, Brammer, Gabriel B., ...

Structure and star formation in galaxies out to z = 3: evidence for surface density dependent evolution and upsizing (2008)

Franx, Marijn, Van Dokkum, Pieter G., Förster Schreiber, Natascha M., Wuyts, Stijn, Labbé, Ivo, Toft, Sune

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., ...

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...

The rest-frame optical luminosity functions of galaxies at 2 (2006)

Marchesini, Danilo, Van Dokkum, Pieter, Quadri, Ryan, Rudnick, Gregory, Franx, Marijn, Lira, Paulina, ...

We present the rest-frame optical (B, V, and R band) luminosity functions (LFs) of galaxies at 2

Spectroscopic identification of massive galaxies at z similar to 2.3 with strongly suppressed star formation (2006)

Kriek, Mariska, Dokkum, Pieter G. Van, Franx, Marijn, Quadri, Ryan, Gawiser, Eric, Herrera, David, ...

We present first results of a spectroscopic survey targeting K-selected galaxies at using the Gemini z = 2.0 - 2.7 near-infrared spectrograph (GNIRS). We obtained near-infrared spectra with a...

What do we learn from IRAC observations of galaxies at 2 < z < 3.5? (2006)

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

We analyze very deep HST, VLT and Spitzer photometry of galaxies at 2 1) galaxies, but only by a factor of 1.3 for blue (U-V < 1) galaxies. We find a similar color-dependence of the improvement for...

Spectroscopic Identification of Massive Galaxies at z~2.3 with Strongly Suppressed Star Formation (2006)

Kriek, Mariska, Van Dokkum, Pieter, Franx, Marijn, Quadri, Ryan, Gawiser, Eric, Herrera, David, ...

We present first results of a spectroscopic survey targeting K-selected galaxies at z=2.0-2.7 using the GNIRS instrument on Gemini-South. We obtained near-infrared spectra with a wavelength coverage...

Comparing Dynamical and Photometric Mass Estimates of Low- and High-Redshift Galaxies: Random and Systematic Uncertainties (2006)

Van Der Wel, Arjen, Franx, Marijn, Wuyts, Stijn, Van Dokkum, Pieter G., Huang, Jiasheng, Rix, Hans-Walter, ...

We determine the importance of redshift-dependent systematic effects in the determination of stellar masses from broad band spectral energy distributions (SEDs), using high quality kinematic and...

Measuring the Average Evolution of Luminous Galaxies at z (2006)

Rudnick, Gregory, Labbe, Ivo, Schreiber, Natascha M. Foerster, Wuyts, Stijn, Franx, Marijn, Finlator, Kristian, ...

(Abridged) We present the evolution of the volume averaged properties of the rest-frame optically luminous galaxy population to z~3, determined from four disjoint deep fields with optical to...

Direct Measurements of the Stellar Continua and Balmer/4000 Angstrom Breaks of Red z>2 Galaxies: Redshifts and Improved Constraints on Stellar Populations (2006)

Kriek, Mariska, Van Dokkum, Pieter, Franx, Marijn, Schreiber, Natascha Forster, Gawiser, Eric, Illingworth, Garth, ...

We use near-infrared (NIR) spectroscopy obtained with GNIRS on Gemini, NIRSPEC on KECK, and ISAAC on the VLT to study the rest-frame optical continua of three `Distant Red Galaxies' (having Js - Ks >...

Direct measurements of the stellar continua and balmer/4000 Å breaks of red z > 2 galaxies: redshifts and improved constraints on stellar populations (2006)

Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Förster Schreiber, Natascha M., Gawiser, Eric, Illingworth, Garth D., ...

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, ...

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...

Spectroscopic identification of massive galaxies at z ~ 2.3 with strongly suppressed star formation (2006)

Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Quadri, Ryan, Gawiser, Eric, Herrera, David, ...

We present first results of a spectroscopic survey targeting K-selected galaxies at z=2.0-2.7 using the Gemini near-infrared spectrograph (GNIRS). We obtained near-infrared spectra with a wavelength...

Direct measurements of the stellar continua and Balmer/4000 Å breaks of Red z > 2 Galaxies: Redshifts and improved constraints on stellar populations1 (2006)

Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Förster Schreiber, Natascha M., Gawiser, Eric, Illingworth, Garth D., ...

We use near-infrared (NIR) spectroscopy obtained with the GNIRS on Gemini, NIRSPEC on the Keck, and ISAAC on the VLT to study the rest-frame optical continua of three ``distant red galaxies'' (with...

Stellar Populations and Kinematics of Red Galaxies at z>2: Implications for the Formation of Massive Galaxies (2004)

Van Dokkum, Pieter, Franx, Marijn, Schreiber, Natascha Forster, Illingworth, Garth, Daddi, Emanuele, Knudsen, Kirsten Kraiberg, ...

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

Stellar Populations and Kinematics of Red Galaxies at z > 2 : Implications for the Formation of Massive Galaxies (2004)

Van Dokkum, Pieter G., Franx, Marijn, Illingworth, Garth D., Daddi, Emanuele, Kraiberg-Knudsen, Kirsten, Labbé, Ivor, ...

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...

The detailed Fundamental Plane of two high redshift clusters: MS 2053-04 at z=0.58 and MS 1054-03 at z=0.83 (2003)

Wuyts, Stijn, Van Dokkum, Pieter G., Kelson, Daniel D., Franx, Marijn, Illingworth, Garth D.

We study the fundamental plane relation in high redshift clusters using a sample of 26 galaxies in MS 2053-04 (z=0.583) and 22 galaxies in MS 1054-03 (z=0.83). The zeropoint and scatter are compared...