James Dunlop

Publication List Details

Period

1971 - 2009

Number

52

Co-Authors

Stellar Populations of Lyman Alpha Emitters at z = 3 - 4 Based on Deep Large Area Surveys in the Subaru-SXDS/UKIDSS-UDS Field (2009)

Ono, Yoshiaki, Ouchi, Masami, Shimasaku, Kazuhiro, Akiyama, Masayuki, Dunlop, James, Farrah, Duncan, ...

We investigate the stellar populations of Lyman alpha emitters (LAEs) at z=3.1 and 3.7 in 0.65 deg^2 of the Subaru/XMM-Newton Deep Field, based on rest-frame UV-to-optical photometry obtained from...

BLAST: the far-infrared/radio correlation in distant galaxies (2009)

Ivison, R. J., Alexander, David M., Biggs, Andy D., Brandt, W. N., Chapin, Edward L., Coppin, Kristen E. K., ...

We investigate the correlation between far-infrared (FIR) and radio luminosities in distant galaxies, a lynchpin of modern astronomy. We use data from the Balloon-borne Large Aperture Submillimetre...

A submillimetre galaxy at z=4.76 in the LABOCA survey of the Extended Chandra Deep Field South (2009)

Coppin, Kristen, Smail, Ian, Alexander, David M., Weiss, Axel, Walter, Fabian, Swinbank, Mark, ...

We report on the identification of the highest redshift submm-selected source currently known: LESSJ033229.4-275619. This source was detected in the Large Apex BOlometer CAmera (LABOCA) Extended...

The SCUBA HAlf Degree Extragalactic Survey (SHADES) -- VI. 350 micron mapping of submillimetre galaxies (2007)

Coppin, Kristen, Halpern, Mark, Scott, Douglas, Borys, Colin, Dunlop, James, Dunne, Loretta, ...

A follow-up survey using the Submillimetre High-Angular Resolution Camera (SHARC-II) at 350 microns has been carried out to map the regions around several 850 micron-selected sources from the...

Deep GMOS Spectroscopy of Extremely Red Galaxies in GOODS-South: Ellipticals, Mergers and Red Spirals at 1 (2006)

Roche, Nathan, Dunlop, James, Caputi, Karina, McLure, Ross, Willott, Chris, Crampton, David

We have performed a deep spectroscopic survey of extremely red galaxies on the GOODS-South field, using GMOS on Gemini South. We present here spectra and redshifts for 16 ERGs at 0.87

The Complete Star Formation History of the Universe (2004)

Heavens, Alan, Panter, Benjamin, Jimenez, Raul, Dunlop, James

The determination of the star-formation history of the Universe is a key goal of modern cosmology, as it is crucial to our understanding of how structure in the Universe forms and evolves. A picture...

Synthetic stellar populations: single stellar populations, stellar interior models and primordial proto-galaxies (2004)

Jimenez, Raul, MacDonald, James, Dunlop, James, Padoan, Paolo, Peacock, John

We present a new set of stellar interior and synthesis models for predicting the integrated emission from stellar populations in star clusters and galaxies of arbitrary age and metallicity. This work...

The Nature, Evolution, Clustering and X-ray Properties of Extremely Red Galaxies in the CDFS/GOODS field (2003)

Roche, Nathan, Dunlop, James, Almaini, Omar

We identify a deep sample of 198 extremely red objects (EROs) in (50.4 sq. arcmin of) the Chandra Deep Field South, selected as I-K>3.92 galaxies to a limit K=22. The ERO number counts remain well...

Deep radio imaging of the SCUBA 8-mJy survey fields: sub-mm source identifications and redshift distribution (2002)

Ivison, Rob, Greve, Thomas, Smail, Ian, Dunlop, James, Roche, Nathan, Scott, Susie, ...

The SCUBA 8-mJy survey is the largest submm extragalactic mapping survey undertaken to date, centred on the Lockman Hole and ELAIS N2 regions. Here, we present new 1.4-GHz imaging of the depth and...

HST Imaging of a z=1.55 Old Galaxy Group (2002)

Bunker, Andrew, Spinrad, Hyron, McLure, Ross, Dey, Arjun, Dunlop, James, Peacock, John, ...

We present high-resolution imaging in the rest-frame optical of the weak radio source LBDS53W091. Previous optical spectroscopy has shown that this object has an evolved stellar population of age...

The Clustering, Number Counts and Morphology of Extremely Red (R-K>5) Galaxies to K=21 (2002)

Roche, Nathan, Almaini, Omar, Dunlop, James, Ivison, R. J., Willott, Chris

We investigate the number counts, clustering, morphology and radio/X-ray emission of extremely red objects (EROs), defined as galaxies with R-K>5.0. This criterion will select old, passive...

Orientation effects on bent extragalactic jets (2000)

Higgins, Stephen, O'Brien, Tim, Dunlop, James

We have investigated how varying several parameters affects the results of a collision between an extragalactic jet and a dense, intergalactic cloud, through a series of hydrodynamic simulations. We...

Primordial Proto-Galaxies (1999)

Padoan, Paolo, Jimenez, Raul, Dunlop, James

The first stars to form in protogalaxies must have primordial chemical composition. We refer to a protogalaxy that is forming stars of primordial composition, or very low metallicity ($Z\le 0.01...

Proto-Galactic Starbursts at High Redshift (1999)

Jimenez, Raul, Padoan, Paolo, Dunlop, James, Bowen, David, Juvela, Mika, Matteucci, Francesca

We have computed the evolving ultraviolet-millimeter spectral energy distribution (SED) produced by proto-galactic starbursts at high redshift, incorporating the chemical evolution of the...

Premature dismissal of high-redshift elliptical galaxies (1998)

Jimenez, Raul, Friaca, Amancio, Dunlop, James, Terlevich, Roberto, Peacock, John, Nolan, Louisa

It has recently been argued that single-collapse high-redshift models for elliptical galaxy formation can be rejected because they predict large numbers of very red galaxies at intermediate redshifts...

Resonance Testing of the Gnome Combustor Liner (1998)

Dunlop, James

This report details the results of a series of experimental tests conducted on a combustor liner of the Rolls-Royce Gnome engine. These tests were undertaken as part of an investigation into the...

A Submillimetre Survey of the Hubble Deep Field: Unveiling Dust-Enshrouded Star Formation in the Early Universe (1998)

Hughes, David H., Dunlop, James, Rowan-Robinson, Michael, Serjeant, Steve, Blain, Andrew, Mann, Robert G., ...

The advent of sensitive sub-mm array cameras now allows a proper census of dust-enshrouded massive star-formation in very distant galaxies, previously hidden activity to which even the deepest...

Unveiling Dust-enshrouded Star Formation in the Early Universe: a Sub-mm Survey of the Hubble Deep Field (1998)

Hughes, David, Serjeant, Steve, Dunlop, James, Rowan-Robinson, Michael, Blain, Andrew, Mann, Robert G., ...

The advent of sensitive sub-mm array cameras now allows a proper census of dust-enshrouded massive star-formation in very distant galaxies, previously hidden activity to which even the faintest...

Dust, gas and the evolutionary status of the radio galaxy, 8C1435+635, at z = 4.25 (1997)

Ivison, Rob, Dunlop, James, Hughes, David, Archibald, Elese, Stevens, Jason, Holland, Wayne, ...

We present the results of new rest-frame far-IR observations of the z = 4.25 radio galaxy, 8C1435+635, which not only confirm that it contains an enormous quantity of dust (as first inferred from its...

Old Galaxies at High Redshift (1997)

Dunlop, James

The most passive galaxies at high redshift are unlikely to be identified by either narrow-band emission-line searches, or by Lyman limit searches (both techniques which have been highlighted at this...

Cosmic Star-Formation History, as traced by Radio Source Evolution (1997)

Dunlop, James

I briefly review our current knowledge of the cosmological evolution of radio sources, and show that the redshift distributions of new complete samples of radio sources confirm the existence of the...

LBDS 53W091: An Old red Galaxy at z=1.552 (1997)

Spinrad, Hyron, Dey, Arjun, Stern, Daniel, Dunlop, James, Peacock, John, Jimenez, Raul, ...

The weak radio source LBDS 53W091 is associated with a very faint (R approx. 24.5) red (R-K approx. 5.8) galaxy. Long spectroscopic integrations with the W. M. Keck telescope have provided an...

Using new submillimetre surveys to identify the evolutionary status of high-z galaxies (1997)

David Hughes, David Hughes, James Dunlop, James Dunlop

In this paper we briefly describe a `key ' survey at submm wavelengths which we are currently conducting to address some of the most important questions in cosmology- how, at what epoch and over...

Phosphate Uptake, Proton Extrusion and Membrane Electropotentials of Phosphorus-Deficient Trifolium repens L (1993)

DUNLOP, JAMES, GARDINER, SARAH

Trifolium repens plants were grown to produce a range of levels of phosphate stress. The most severely stressed plants absorbed phosphate at twice the rate for plants grown in adequate phosphate....

Phosphate and Membrane Electropotentials in Trifolium repens L. (1989)

DUNLOP, JAMES

In Trifolium repens L. there were immediate transient depolarizations of the membrane electropotential (ΔEvo) when KH2PO4 was added to phosphate-free media, but these were of the same magnitude as...

Ion Transport and the Effects of Acetic Acid in White Clover: I. PHOSPHATE ABSORPTION (1988)

DUNLOP, JAMES, KNIGHTON, MARGARET, WHITE, DEREK W. R.

Dunlop, J., Knighton, M. V. and White, D. W. R. 1988. Ion transport and the effects of acetic acid in white clover. I. Phosphate absorption.—J. exp. Bot. 39: 79–88. The effect of acetic acid on...

Ion Transport and the Effects of Acetic Acid in White Clover: II. POTASSIUM ABSORPTION (1988)

DUNLOP, JAMES, KNIGHTON, MARGARET, WHITE, DEREK W. R.

Dunlop, J., Knighton, M. V. and White, D. W. R. 1988. Ion transport and the effects of acetic acid in white clover. II. Potassium absorption.—J. exp. Bot. 39: 89–96. Acetic acid stimulated...

Membrane Potentials in the Xylem in Roots of Intact Plants (1982)

DUNLOP, JAMES

The membrane potential differences (PDs) of root cells of intact, illuminated Trifolium repens L. and Lolium perenne L. have been measured. In T. repens the PDs were the same for all cell types...

The Relationship between the Cell Electrical Potential Difference and Salt Uptake in the Roots of Helianthus annuus (1978)

BOWLING, D. J. F., GRAHAM, ROBIN D., DUNLOP, JAMES

The effect of ringing the stem on the electrical potential difference (PD) in the root cortical cells of H. annuus was studied. PD and salt transport were followed simultaneously. By ringing it was...

Uptake of Phosphate by White Clover: I. EVIDENCE FOR AN ELECTROGENIC PHOSPHATE PUMP (1978)

BOWLING, D. J. F., DUNLOP, JAMES

Uptake of phosphate from flowing solution and cell membrane electrical potential differences (PD) have been followed simultaneously in the roots of Trifolium repens L. Intact plants were used and it...

Uptake of Phosphate by White Clover: II. THE EFFECT OF PH ON THE ELECTROGENIC PHOSPHATE PUMP (1978)

DUNLOP, JAMES, BOWLING, D. J. F.

The effect of pH on the electrogenic phosphate pump in white clover roots was investigated. It was found that the pump operated between pH 3.5 and 8.0 with an optimum at 4.3. External pH changes...

The Electrical Potential Difference Across the Tonoplast of Root Cells (1976)

DUNLOP, JAMES

Changes in electrical potential, measured as a microelectrode was advanced into epidermal cells and from cell to cell in roots of Lolium multiflorum and Zea mays, are described. The recordings...

The Transport of Potassium to the Xylem Exudate of Ryegrass: II. EXUDATION (1974)

DUNLOP, JAMES

The membrane potentials of ryegrass root cells (Ev0) were found to be linearly related to the logarithm of the external KCl concentration ([KCl]o), over the range 0.1 to 20.0 mM. Exudation was...

The Transport of Potassium to the Xylem Exudate of Ryegrass: I. MEMBRANE POTENTIALS AND VACUOLAR POTASSIUM ACTIVITIES IN SEMINAL ROOTS (1973)

DUNLOP, JAMES

Membrane potentials and potassium activities of the vacuoles of epidermal, cortical, and stelar cells of ryegrass roots were measured with microelectrodes. In 1.0 mM KCl solution a membrane potential...

The Movement of Ions to the Xylem Exudate of Maize Roots: I. PROFILES OF MEMBRANE POTENTIAL AND VACUOLAR POTASSIUM ACTIVITY ACROSS THE ROOT (1971)

DUNLOP, JAMES, BOWLING, D. J. F.

Membrane potentials and vacuolar potassium activities of cells in the tissues likely to be involved in the movement of ions to the xylem vessels of maize roots have been measured. From this...

The Movement of Ions to the Xylem Exudate of Maize Roots: II. A COMPARISON OF THE ELECTRICAL POTENTIAL AND ELECTROCHEMICAL POTENTIALS OF IONS IN THE EXUDATE AND IN THE ROOT CELLS (1971)

DUNLOP, JAMES, BOWLING, D. J. F.

The electrical potential differences (Eex) and the electrochemical potential differences for potassium and chloride in the xylem exudate of excised maize roots were determined and the values obtained...

The Movement of Ions to the Xylem Exudate of Maize Roots: III. THE LOCATION OF THE ELECTRICAL AND ELECTROCHEMICAL POTENTIAL DIFFERENCES BETWEEN THE EXUDATE AND THE MEDIUM (1971)

DUNLOP, JAMES, BOWLING, D. J. F.

Trans-root and membrane potentials have been measured simultaneously in the same maize root by using microelctrodes inserted in the exuding sap, external bathing solution, and a vacuole of an...

Influence of Phenolic Acids on Ion Uptake: IV. Depolarization of Membrane Potentials

Glass, Anthony D. M., Dunlop, James

The membrane potentials of aged, excised barley (Hordeum vulgare L.) root cells were rapidly depolarized by the addition of salicylic acid (o-hydroxybenzoic acid) to the buffered medium bathing root...

Influence of Phenolic Acids on Ion Uptake: IV. Depolarization of Membrane Potentials

Glass, Anthony D. M., Dunlop, James

The membrane potentials of aged, excised barley (Hordeum vulgare L.) root cells were rapidly depolarized by the addition of salicylic acid (o-hydroxybenzoic acid) to the buffered medium bathing root...