Building the red sequence through gas-rich major mergers (2009)
Wild, Vivienne, Walcher, C. Jakob, Johansson, Peter H.
Understanding the details of how the red sequence is built is a key question in galaxy evolution. What are the relative roles of gas-rich vs. dry mergers, major vs. minor mergers or galaxy mergers...
Star formation and AGN activity in SDSS cluster galaxies (2009)
Von Der Linden, Anja, Wild, Vivienne, Kauffmann, Guinevere, White, Simon D. M., Weinmann, Simone
We investigate the recent and current star formation activity of galaxies as function of distance from the cluster center in a sample of 521 SDSS clusters at z0.1 R_200.
Environment or Outflows? New insight into the origin of narrow associated QSO absorbers (2009)
Recent detailed studies of Narrow Absorption Line (NAL) systems in QSO-spectra have revealed that at least 50% of QSOs have NALs associated with the central engine, and in most cases they are found...
Reichard, Timothy A., Heckman, Timothy M., Rudnick, Gregory, Brinchmann, Jarle, Kauffmann, Guinevere, Wild, Vivienne
Constraints on the star formation histories of galaxies from z∼ 1 to 0 (2009)
Chen, Yan-Mei, Wild, Vivienne, Kauffmann, Guinevere, Blaizot, Jérémy, Davis, Marc, Noeske, Kai, ...
Reliable eigenspectra for new generation surveys (2009)
Budavári, Tamás, Wild, Vivienne, Szalay, Alexander S., Dobos, László, Yip, Ching-Wa
Post-starburst galaxies: more than just an interesting curiosity (2009)
Wild, Vivienne, Walcher, C. Jakob, Johansson, Peter H., Tresse, Laurence, Charlot, Stéphane, Pollo, Agnieszka, ...
Quenching of Star Formation (2008)
Wild, Vivienne, Budavari, Tamas, Blaizot, Jeremy, Walcher, C. Jakob, Johansson, Peter H., Lemson, Gerard, ...
In the last decade we have seen an enormous increase in the size and quality of spectroscopic galaxy surveys, both at low and high redshift. New statistical techniques to analyse large portions of...
Post-starburst galaxies: more than just an interesting curiosity (2008)
Wild, Vivienne, Walcher, C. Jakob, Johansson, Peter H., Tresse, Laurence, Charlot, Stephane, Pollo, Agnieszka, ...
From the VIMOS VLT DEEP Survey (VVDS) we select a sample of 16 galaxies with spectra which identify them as having recently undergone a strong starburst and subsequent fast quenching of star...
Finding SDSS BALQSOs Using Non-Negative Matrix Factorisation (2008)
Allen, James T., Hewett, Paul C., Belokurov, Vasily, Wild, Vivienne
Modern spectroscopic databases provide a wealth of information about the physical processes and environments associated with astrophysical populations. Techniques such as blind source separation...
Reichard, Timothy A., Heckman, Timothy M., Rudnick, Gregory, Brinchmann, Jarle, Kauffmann, Guinevere, Wild, Vivienne
We have used the Sloan Digital Sky Survey (SDSS) to undertake an investigation of lopsidedness in a sample of ~25,000 nearby galaxies (z < 0.06). We use the m=1 azimuthal Fourier mode between the 50%...
Reliable Eigenspectra for New Generation Surveys (2008)
Budavari, Tamas, Wild, Vivienne, Szalay, Alexander S., Dobos, Laszlo, Yip, Ching-Wa
We present a novel technique to overcome the limitations of the applicability of Principal Component Analysis to typical real-life data sets, especially astronomical spectra. Our new approach...
Constraints on the star formation histories of galaxies from z~1 to z~0 (2008)
Chen, Yan-Mei, Wild, Vivienne, Kauffmann, Guinevere, Blaizot, Jeremy, Davis, Marc, Noeske, Kai, ...
We present a new method to estimate the average star formation rate per unit stellar mass (SSFR) of a stacked population of galaxies. We combine the spectra of 600-1000 galaxies with similar stellar...
Measurements of CaII absorption, metals, and dust in a sample of z~1 DLAs and subDLAs (2008)
Nestor, Daniel, Pettini, Max, Hewett, Paul, Rao, Sandhya, Wild, Vivienne
We present observations of CaII, ZnII, and CrII absorption lines in 16 DLAs and 6 subDLAs at 0.6 < z < 1.3, obtained for the dual purposes of: (i) clarifying the relationship between DLAs and...
Narrow associated QSO absorbers: clustering, outflows and the line-of-sight proximity effect (2008)
Wild, Vivienne, Kauffmann, Guinevere, White, Simon, York, Donald, Lehnert, Matthew, Heckman, Timothy, ...
Using data from the Sloan Digital Sky Survey data release 3 (SDSS DR3) we investigate how narrow (
Wild, Vivienne, Kauffmann, Guinevere, White, Simon, York, Donald, Lehnert, Matthew, Heckman, Timothy, ...
Measurements of Ca II absorption, metals and dust in a sample of z≃ 1 DLAs and subDLAs (2008)
Nestor, Daniel B., Pettini, Max, Hewett, Paul C., Rao, Sandhya, Wild, Vivienne
Quenching of star formation (2008)
Wild, Vivienne, Budavári, Tamas, Blaizot, Jérémy, Walcher, C. Jakob, Johansson, Peter H., Lemson, Gerard, ...
Finding SDSS BALQSOs using non-negative matrix factorisation (2008)
Allen, James T., Hewett, Paul C., Belokurov, Vasily, Wild, Vivienne
Direct Observational Test Rules Out Small MgII Absorbers (2007)
Pontzen, Andrew, Hewett, Paul, Carswell, Robert, Wild, Vivienne
Recent observations suggest the incidence of strong intervening MgII absorption systems along the line-of-sight to gamma ray burst (GRB) afterglows is significantly higher than expected from...
Bursty stellar populations and obscured AGN in galaxy bulges (2007)
Wild, Vivienne, Kauffmann, Guinevere, Heckman, Tim, Charlot, Stéphane, Lemson, Gerard, Brinchmann, Jarle, ...
[Abridged] We investigate trends between the recent star formation history and black hole growth in galaxy bulges in the Sloan Digital Sky Survey (SDSS). The galaxies lie at 0.01
K-band Imaging of strong CaII-absorber host galaxies at z~1 (2007)
We present K-band imaging of fields around 30 strong CaII absorption line systems, at 0.7
Direct observational test rules out small MgII absorbers (2007)
Pontzen, Andrew, Hewett, Paul, Carswell, Robert, Wild, Vivienne
Bursty stellar populations and obscured active galactic nuclei in galaxy bulges (2007)
Wild, Vivienne, Kauffmann, Guinevere, Charlot, Stephane, Lemson, Gerard, Brinchmann, Jarle, Reichard, Tim, ...
Bursty stellar populations and obscured active galactic nuclei in galaxy bulges (2007)
Wild, Vivienne, Kauffmann, Guinevere, Heckman, Tim, Charlot, Stéphane, Lemson, Gerard, Brinchmann, Jarle, ...
We investigate trends between the recent star formation history and black hole growth in galaxy bulges in the Sloan Digital Sky Survey. The galaxies lie at 0.01 < z < 0.07 where the fibre aperture...
Are strong Mg II absorbers the signature of outflows? (2007)
Bouché, Nicolas, Murphy, Michael T., Csabai, István, Wild, Vivienne
Abstract not available.
Are strong z equivalent to 0.5 MgII absorbers the signature of super-winds? (2007)
Bouché, Nicolas, Murphy, Michael T., Péroux, Celine, Csabai, István, Wild, Vivienne
In the process of galaxy formation, super-nova driven feedback from low-mass galaxies is the process that most readily account for the galaxy mass-metallicity relation and for the shallower galaxy...
Are strong Mg II absorbers the signature of outflows? (2007)
Bouché, Nicolas, Murphy, Michael T., Csabai, István, Wild, Vivienne
Abstract not available.
Are strong z equivalent to 0.5 MgII absorbers the signature of super-winds? (2007)
Bouché, Nicolas, Murphy, Michael T., Péroux, Celine, Csabai, István, Wild, Vivienne
In the process of galaxy formation, super-nova driven feedback from low-mass galaxies is the process that most readily account for the galaxy mass-metallicity relation and for the shallower galaxy...
Are strong z equivalent to 0.5 MgII absorbers the signature of super-winds? (2007)
Bouché, Nicolas, Murphy, Michael T., Péroux, Celine, Csabai, István, Wild, Vivienne
In the process of galaxy formation, super-nova driven feedback from low-mass galaxies is the process that most readily account for the galaxy mass-metallicity relation and for the shallower galaxy...
Are strong Mg II absorbers the signature of outflows? (2007)
Bouché, Nicolas, Murphy, Michael T., Csabai, István, Wild, Vivienne
Abstract not available.
Are strong z equivalent to 0.5 MgII absorbers the signature of super-winds? (2007)
Bouche, Nicolas, Murphy, Michael T., Peroux, Celine, Csabai, Istvan, Wild, Vivienne
In the process of galaxy formation, super-nova driven feedback from low-mass galaxies is the process that most readily account for the galaxy mass-metallicity relation and for the shallower galaxy...
Are strong Mg II absorbers the signature of outflows? (2007)
Bouche, Nicolas, Murphy, Michael T., Peroux, Celine, Csabai, Istvan, Wild, Vivienne
Abstract not available.
Are strong z equivalent to 0.5 MgII absorbers the signature of super-winds? (2007)
Bouche, Nicolas, Murphy, Michael T., Peroux, Celine, Csabai, Istvan, Wild, Vivienne
In the process of galaxy formation, super-nova driven feedback from low-mass galaxies is the process that most readily account for the galaxy mass-metallicity relation and for the shallower galaxy...
Are strong Mg II absorbers the signature of outflows? (2007)
Bouche, Nicolas, Murphy, Michael T., Peroux, Celine, Csabai, Istvan, Wild, Vivienne
Abstract not available.
The star formation rate of CaII and damped Lyman-alpha absorbers at 0.4 (2006)
Wild, Vivienne, Hewett, Paul, Pettini, Max
[abridged] Using stacked Sloan Digital Sky Survey spectra, we present the detection of [OII]3727,3730 nebular emission from galaxies hosting CaII and MgII absorption line systems. Both samples of...
CaII and DLA absorption line systems: dust, metals and star formation at 0.4 (2006)
Wild, Vivienne, Hewett, Paul, Pettini, Max
Absorption line studies of galaxies along the line-of-sight to distant quasars allow a direct observational link between the properties of the extended gaseous disk/halo and of the star forming...
Bouche, Nicolas, Murphy, Michael T., Peroux, Celine, Csabai, Istvan, Wild, Vivienne
We measure the mean halo-mass of z=0.5 MgII absorbers using the cross-correlation (over co-moving scales 0.05-13h^{-1}Mpc) between 1806 MgII quasar absorption systems and ~250,000 Luminous Red...
Bouche, Nicolas, Murphy, Michael T., Peroux, Celine, Csabai, Istvan, Wild, Vivienne
We measure the mean halo mass of z ≃ 0.5 Mg II absorbers using the cross-correlation (over comoving scales 0.05-13 h-1 Mpc) between 1806 Mg II quasar absorption systems and ∼250 000...
Bouche, Nicolas, Murphy, Michael T., Peroux, Celine, Csabai, Istvan, Wild, Vivienne
We measure the mean halo mass of z ≃ 0.5 Mg II absorbers using the cross-correlation (over comoving scales 0.05-13 h-1 Mpc) between 1806 Mg II quasar absorption systems and ∼250 000...
Bouche, Nicolas, Murphy, Michael T., Peroux, Celine, Csabai, Istvan, Wild, Vivienne
We measure the mean halo mass of z ≃ 0.5 Mg II absorbers using the cross-correlation (over comoving scales 0.05-13 h-1 Mpc) between 1806 Mg II quasar absorption systems and ∼250 000...
Wild, Vivienne, Hewett, Paul, Pettini, Max
We use the average E(B-V) and ZnII column densities of a sample of z~1 CaII (3935, 3970) absorption line systems selected from the Sloan Digital Sky Survey (SDSS DR4) to show that on average, with...
Evidence for dust reddening in DLAs identified through CaII H&K absorption (2005)
Wild, Vivienne, Hewett, Paul C.
We present a new sample of 31 CaII(H&K) 3935,3970 absorption line systems with 0.84
Wild, Vivienne, Hewett, Paul C.
The Sloan Digital Sky Survey (SDSS) currently provides by far the largest homogeneous sample of intermediate signal-to-noise ratio (S/N) optical spectra of galaxies and quasars. The fully automated...
Conway, Edward, Maddox, Stephen J., Wild, Vivienne, Peacock, John A., Hawkins, Edward, Norberg, P., ...
We present an analysis of the relative bias between early- and late-type galaxies in the Two-degree Field Galaxy Redshift Survey (2dFGRS) – as defined by the η parameter of Madgwick et al., which...
Conway, Edward, Maddox, Stephen J., Wild, Vivienne, Peacock, John A., Hawkins, Edward, Norberg, P., ...
We present an analysis of the relative bias between early- and late-type galaxies in the Two-degree Field Galaxy Redshift Survey (2dFGRS) – as defined by the η parameter of Madgwick et...
The 2dF Galaxy Redshift Survey: stochastic relative biasing between galaxy populations (2005)
Wild, Vivienne, Peacock, John A., Lahav, Ofer, Conway, Edward, Maddox, Stephen J., Baldry, Ivan K., ...
It is well known that the clustering of galaxies depends on galaxy type. Such relative bias complicates the inference of cosmological parameters from galaxy redshift surveys, and is a challenge to...
The 2dF Galaxy Redshift Survey: stochastic relative biasing between galaxy populations (2005)
Wild, Vivienne, Peacock, John A., Lahav, Ofer, Conway, Edward, Maddox, Steve, Baldry, Ivan K., ...
It is well known that the clustering of galaxies depends on galaxy type. Such relative bias complicates the inference of cosmological parameters from galaxy redshift surveys, and is a challenge to...
Conway, Edward, Maddox, Stephen J., Wild, Vivienne, Peacock, John A., Hawkins, Edward, Norberg, P., ...
We present an analysis of the relative bias between early- and late-type galaxies in the Two-degree Field Galaxy Redshift Survey (2dFGRS) – as defined by the η parameter of Madgwick et al., which...
The 2dF Galaxy Redshift Survey: stochastic relative biasing between galaxy populations (2005)
Wild, Vivienne, Peacock, John A., Lahav, Ofer, Conway, Edward, Maddox, Stephen J., Baldry, Ivan K., ...
It is well known that the clustering of galaxies depends on galaxy type. Such relative bias complicates the inference of cosmological parameters from galaxy redshift surveys, and is a challenge to...
The 2dF Galaxy Redshift Survey: stochastic relative biasing between galaxy populations (2004)
Wild, Vivienne, Peacock, John A., Lahav, Ofer, Conway, Edward, Maddox, Steve, Baldry, I. K., ...
It is well known that the clustering of galaxies depends on galaxy type.Such relative bias complicates the inference of cosmological parameters from galaxy redshift surveys, and is a challenge to...