Research Repository

See what's under the surface


The VANDELS ESO public spectroscopic survey: Observations and first data release (2018)
Journal Article
Pentericci, L., McLure, R. J., Garilli, B., Cucciati, O., Franzetti, P., Iovino, A., …Zucca, E. (2018). The VANDELS ESO public spectroscopic survey: Observations and first data release. Astronomy and Astrophysics, 616, 1-15. doi:10.1051/0004-6361/201833047

This paper describes the observations and the first data release (DR1) of the ESO public spectroscopic survey “VANDELS, a deep VIMOS survey of the CANDELS CDFS and UDS fields”. The main targets of VANDELS are star-forming galaxies at redshift 2.4 < z... Read More

An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: number counts of submillimeter galaxies (2018)
Journal Article
Stach, S. M., Smail, I., Swinbank, A., Simpson, J., Geach, J., An, F. X., …Werf, P. V. D. (2018). An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: number counts of submillimeter galaxies. Astrophysical Journal, 860(2), doi:10.3847/1538-4357/aac5e5. ISSN 0004-637X

We report the first results of AS2UDS, an 870 μm continuum survey with the Atacama Large Millimeter/Submillimeter Array (ALMA) of a total area of ~50 arcmin2 comprising a complete sample of 716 submillimeter sources drawn from the SCUBA-2 Cosmology L... Read More

X-UDS: The Chandra legacy survey of the UKIDSS Ultra Deep Survey field (2018)
Journal Article
Kocevski, D. D., Hasinger, G., Brightman, M., Nandra, K., Georgakakis, A., Cappelluti, N., …Ueda, Y. (2018). X-UDS: The Chandra legacy survey of the UKIDSS Ultra Deep Survey field. Astrophysical Journal Supplement, 236(2), doi:10.3847/1538-4365/aab9b4. ISSN 1538-4365

We present the X-UDS survey, a set of wide and deep Chandra observations of the Subaru-XMM Deep/UKIDSS Ultra Deep Survey (SXDS/UDS) field. The survey consists of 25 observations that cover a total area of 0.33 deg2. The observations are combined to p... Read More

SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES): faint-end counts at 450 μm (2017)
Journal Article
Wang, W., Lin, W., Lim, C., Smail, I., Chapman, S. C., Zheng, X. Z., …Wardlow, J. L. (2017). SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES): faint-end counts at 450 μm. Astrophysical Journal, 850(1), doi:10.3847/1538-4357/aa911b. ISSN 0004-637X

The SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES) is a three-year JCMT Large Program aiming to reach the 450 μm confusion limit in the COSMOS-CANDELS region to study a representative sample of the high-redshift far-infrared galaxy population that g... Read More

The UKIRT Hemisphere Survey: definition and J-band data release (2017)
Journal Article
Dye, S., Lawrence, A., Read, M., Fan, X., Kerr, T., Varricatt, W., …Tedds, J. (2018). The UKIRT Hemisphere Survey: definition and J-band data release. Monthly Notices of the Royal Astronomical Society, 473(4), doi:10.1093/mnras/stx2622

This paper defines the UK Infra-Red Telescope (UKIRT) Hemisphere Survey (UHS) and release of the remaining ∼12 700 deg2 of J-band survey data products. The UHS will provide continuous J- and K-band coverage in the Northern hemisphere from a declinati... Read More

CANDELS: Elevated black hole growth in the progenitors of compact quiescent galaxies at z ∼ 2 (2017)
Journal Article
Kocevski, D. D., Barro, G., Faber, S., Dekel, A., Somerville, R. S., Young, J. A., …Yan, H. (2017). CANDELS: Elevated black hole growth in the progenitors of compact quiescent galaxies at z ∼ 2. Astrophysical Journal, 846(2), doi:10.3847/1538-4357/aa8566. ISSN 0004-637X

We examine the fraction of massive (M* > 1010 M) compact star-forming galaxies (cSFGs) that host an active galactic nucleus (AGN) at z ~ 2. These cSFGs are likely the direct progenitors of the compact quiescent galaxies observed at this epoch, which... Read More

Massive post-starburst galaxies at z > 1 are compact proto-spheroids (2017)
Journal Article
Almaini, O., Wild, V., Maltby, D. T., Hartley, W. G., Simpson, C., Hatch, N. A., …Rowlands, K. (2017). Massive post-starburst galaxies at z > 1 are compact proto-spheroids. Monthly Notices of the Royal Astronomical Society, 472(1), doi:10.1093/mnras/stx1957

We investigate the relationship between the quenching of star formation and the structural transformation of massive galaxies, using a large sample of photometrically-selected poststarburst galaxies in the UKIDSS UDS field. We find that post-starburs... Read More

Enhancement of AGN in a protocluster at z=1.6 (2017)
Journal Article
Krishnan, C., Hatch, N. A., Almaini, O., Kocevski, D., Cooke, E. A., Hartley, W. G., …Simpson, C. (2017). Enhancement of AGN in a protocluster at z=1.6. Monthly Notices of the Royal Astronomical Society, 470(2), doi:10.1093/mnras/stx1315. ISSN 0035-8711

We investigate the prevalence of AGN in the high-redshift protocluster Cl 0218.3–0510 at z = 1.62. Using imaging from the Chandra X-ray Telescope, we find a large overdensity of AGN in the protocluster; a factor of 23±9 times the field density of AGN... Read More

A consistent measure of the merger histories of massive galaxies using close-pair statistics I: Major mergers at z < 3:5 (2017)
Journal Article
Mundy, C. J., Conselice, C. J., Duncan, K. J., Almaini, O., Häußler, B., & Hartley, W. G. (in press). A consistent measure of the merger histories of massive galaxies using close-pair statistics I: Major mergers at z < 3:5. Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711

We use a large sample of ∼350,000 galaxies constructed by combining the UKIDSS UDS, VIDEO/CFHT-LS, UltraVISTA/COSMOS and GAMA survey regions to probe the major merging histories of massive galaxies (>1010 M⊙) at 0.00510−4 Mpc−3, and find rates a fact... Read More

Galaxy Zoo: quantitative visual morphological classifications for 48 000 galaxies from CANDELS (2016)
Journal Article
Simmons, B., Lintott, C., Willett, K. W., Masters, K. L., Kartaltepe, J. S., Häußler, B., …Wiklind, T. (2017). Galaxy Zoo: quantitative visual morphological classifications for 48 000 galaxies from CANDELS. Monthly Notices of the Royal Astronomical Society, 464(4), doi:10.1093/mnras/stw2587. ISSN 0035-8711

We present quantified visual morphologies of approximately 48 000 galaxies observed in three Hubble Space Telescope legacy fields by the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) and classified by participants in the Ga... Read More

The SCUBA-2 Cosmology Legacy Survey: the clustering of submillimetre galaxies in the UKIDSS UDS field (2016)
Journal Article
Wilkinson, A., Almaini, O., Chen, C., Smail, I., Arumugam, V., Blain, A., …Wild, V. (2017). The SCUBA-2 Cosmology Legacy Survey: the clustering of submillimetre galaxies in the UKIDSS UDS field. Monthly Notices of the Royal Astronomical Society, 464(2), doi:10.1093/mnras/stw2405

Submillimetre galaxies (SMGs) are among the most luminous dusty galaxies in the Universe, but their true nature remains unclear; are SMGs the progenitors of the massive elliptical galaxies we see in the local Universe, or are they just a short-lived... Read More

Exploring the progenitors of brightest cluster galaxies at z ∼ 2 (2016)
Journal Article
Zhao, D., Conselice, C. J., Aragón-Salamanca, A., Almaini, O., Hartley, W. G., Lani, C., …Old, L. (2017). Exploring the progenitors of brightest cluster galaxies at z ∼ 2. Monthly Notices of the Royal Astronomical Society, 464(2), doi:10.1093/mnras/stw2406. ISSN 0035-8711

We present a new method for tracing the evolution of brightest cluster galaxies (BCGs) from z ∼ 2 to z ∼ 0. We conclude on the basis of semi-analytical models that the best method to select BCG progenitors at z ∼ 2 is a hybrid environmental density a... Read More