Browsing by Author "Centre of Data Innovation Research"

Now showing items 21-40 of 328

    • An ALMA survey of the SCUBA-2 Cosmology Legacy SurveyUKIDSS/UDS Field : Halo Masses for Submillimetre Galaxies 

      Stach, S. M.; Smail, I.; Amvrosiadis, A.; Swinbank, A. M.; Dudzevičiūtė, U.; Geach, J. E.; Almaini, O.; Birkin, J. E.; Chen, Chian-Chou; Conselice, C. J.; Cooke, E. A.; Coppin, K. E. K.; Dunlop, J. S.; Farrah, D.; Ikarashi, S.; Ivison, R. J.; Wardlow, J. L. (2021-03-10)
      We present an analysis of the spatial clustering of a large sample of high-resolution, interferometically identified, submillimetre galaxies (SMGs). We measure the projected cross-correlation function of ~350 SMGs in the ...

    • Ammonia in the interstellar medium of a starbursting disc at z=2.6 

      Doherty, M. J.; Geach, J. E.; Ivison, R. J.; Menten, K. M.; Jacob, A. M.; Forbrich, J.; Dye, S. (2022-09-23)
      We report the detection of the ground state rotational emission of ammonia, ortho-NH$_3$ $(J_K=1_0\rightarrow0_0)$ in a gravitationally lensed, intrinsically hyperluminous, star-bursting galaxy at $z=2.6$. The integrated ...

    • Analysis of EEG Microstates During Execution of a Nine Hole Peg Test 

      Alingal Meethal, Shadiya; Steuber, Volker; Amirabdollahian, Farshid (2023-04-28)
      Abstract—EEG microstates are brief periods of time during which the brain’s electrical activity remains stable. The analysis of EEG microstates can help to identify the background neuronal activity at the millisecond level. ...

    • Anatomy of a post-starburst minor merger : A multi-wavelength WFC3 study of NGC 4150 

      Crockett, R.M.; Kaviraj, S.; Silk, J.I.; Whitmore, B.C.; Mutchler, M.; Bond, H.E.; O'Connell, R.W.; Balick, B.; Calzetti, D.; Carollo, C.M.; Disney, M.J.; Dopita, M.A.; Frogel, J.A.; Hall, D.N.B.; Holtzman, J. A.; Kimble, R.A.; McCarthy, P.J.; Paresce, F.; Saha, A.; Trauger, J.T.; Walker, A.R.; Windhorst, R.A.; Young, E.T.; Jeong, H.; Yi, S.K. (2011-02-01)
      We present a spatially resolved near-UV/optical study, using the Wide Field Camera 3 (WFC3) on board the Hubble Space Telescope, of NGC 4150, a sub-L , early-type galaxy (ETG) of around 6 × 10 M , which has been observed ...

    • Astronomia ex machina: a history, primer and outlook on neural networks in astronomy 

      Smith, Michael J.; Geach, James E. (2023-05-31)
      In this review, we explore the historical development and future prospects of artificial intelligence (AI) and deep learning in astronomy. We trace the evolution of connectionism in astronomy through its three waves, from ...

    • Atomic lines in infrared spectra for ultracool dwarfs 

      Lyubchik, Y.; Jones, H.R.A.; Pavlenko, Y.; Viti, S.; Pickering, J.C.; Blackwell-Whitehead, R.J. (2004-03)
      We provide a set of atomic lines which are suitable for the description of ultracool dwarf spectra from 10 000 to 25 000 Å. This atomic linelist was made using both synthetic spectra calculations and existing atlases of ...

    • Autapses enable temporal pattern recognition in spiking neural networks 

      Yaqoob, Muhammad; Steuber, Volker; Wróbel, Borys (BioRxiv, 2023-11-17)
      Most sensory stimuli are temporal in structure. How action potentials encode the information incoming from sensory stimuli remains one of the central research questions in neuroscience. Although there is evidence that the ...

    • Automatic segmentation of odor maps in the mouse olfactory bulb using regularized non-negative matrix factorization 

      Soelter, Jan; Schumacher, Jan; Spors, Hartwig; Schmuker, Michael (2014-09-01)
      Segmentation of functional parts in image series of functional activity is a common problem in neuroscience. Here we apply regularized non-negative matrix factorization (rNMF) to extract glomeruli in intrinsic optical ...

    • An AzTEC 1.1-mm Survey for ULIRGs in the field of the Galaxy Cluster MS 0451.6-0305 

      Wardlow, J. L.; Smail, Ian; Wilson, G.W.; Yun, M. S.; Coppin, Kristen; Cybulski, R.; Geach, J. E.; Ivison, R.J.; Aretxaga, I.; Austermann, J.E.; Edge, A. C.; Fazio, G. G.; Huang, J.; Hughes, D. H.; Kodama, T.; Kang, Y.; Kim, S.; Perera, T. A.; Scott, K. S. (2010)
      We have undertaken a deep (sigma~1.1 mJy) 1.1-mm survey of the z=0.54 cluster MS 0451.6-0305 using the AzTEC camera on the James Clerk Maxwell Telescope. We detect 36 sources with S/N>3.5 in the central 0.10 deg^2 and ...

    • The beta component of gamma-band auditory steady-state responses in patients with schizophrenia 

      Metzner, Christoph; Steuber, Volker (2021-10-14)
      Abstract: The mechanisms underlying circuit dysfunctions in schizophrenia (SCZ) remain poorly understood. Auditory steady-state responses (ASSRs), especially in the gamma and beta band, have been suggested as a potential ...

    • Better age estimation using ultraviolet-optical colours : Breaking the age-metallicity degeneracy 

      Kaviraj, S.; Rey, S.-C.; Yoon, S.-J.; Yi, S.K.; Rich, R.M. (2007-10-01)
      We demonstrate that the combination of GALEX ultraviolet (UV) photometry in the far-UV (FUV; ~1530 Å) and near-UV (NUV; ~2310 Å) passbands with optical photometry in the standard U, B, V, R, I filters can efficiently break ...

    • Binding of Filamentous Actin to CaMKII as a Potential Mechanism for the Regulation of Bidirectional Synaptic Plasticity by betaCaMKII in Cerebellar Purkinje Cells 

      Matos Pinto, Thiago; Schilstra, Maria; Roque, Antonio; Steuber, Volker (2020-06-02)
      Calcium-calmodulin dependent protein kinase II (CaMKII) regulates many forms of synaptic plasticity, but little is known about its functional role during plasticity induction in the cerebellum. Experiments have indicated ...

    • A biophysical model of synaptic delay learning and temporal pattern recognition in a cerebellar Purkinje cell 

      Steuber, Volker; Willshaw, D. (2004)
      It has been suggested that information in the brain is encoded in temporal spike patterns which are decoded by a combination of time delays and coincidence detection. Here, we show how a multi-compartmental model of a ...

    • Bright Lyα emitters at z ~ 9 : Constraints on the LF from HizELS 

      Sobral, D.; Best, P.N.; Geach, J.E.; Smail, I.; Kurk, J.; Cirasuolo, M.; Casali, M.; Ivison, R.J.; Coppin, Kristen; Dalton, G.B. (2009-09-01)
      New results are presented, as part of the Hi-z Emission Line Survey (HizELS), from the largest area survey to date (1.4 deg ) for Lyα emitters (LAEs) at z ~ 9. The survey, which is primarily targeting Hα emitters at z <3, ...

    • Brown Dwarfs and low-mass stars in the Pleiades and Praesepe: membership and binarity 

      Pinfield, D.J.; Dobbie, P.D.; Jameson, R.F.; Steele, I.A.; Jones, H.R.A.; Katsiyannis, A. C. (2003)
      We present near infrared J-, H- and K-band photometry and optical spectroscopy of low-mass star and brown dwarf (BD) candidates in the Pleiades and Praesepe open clusters. We flag non-members from their position in K, I-K ...

    • A candidate super-Earth planet orbiting near the snow line of Barnard's star 

      Ribas, I.; Tuomi, M.; Reiners, A.; Butler, R. P.; Morales, J. C.; Perger, M.; Dreizler, S.; Rodríguez-López, C.; Hernández, J. I. González; Rosich, A.; Feng, F.; Trifonov, T.; Vogt, S. S.; Caballero, J. A.; Hatzes, A.; Herrero, E.; Jeffers, S. V.; Lafarga, M.; Murgas, F.; Rodríguez, E.; Strachan, J. B. P.; Tal-Or, L.; Teske, J.; Toledo-Padrón, B.; Zechmeister, M.; Quirrenbach, A.; Amado, P. J.; Azzaro, M.; Béjar, V. J. S.; Barnes, J. R.; Berdiñas, Z. M.; Coleman, G.; Cortés-Contreras, M.; Crane, J.; Engle, S. G.; Guinan, E. F.; Haswell, C. A.; Henning, Th; Holden, B.; Jones, H. R. A.; Kaminski, A.; Kiraga, M.; Kürster, M.; López-González, M. J.; Montes, D.; Morin, J.; Ofir, A.; Pallé, E.; Rebolo, R.; Reffert, S.; Schweitzer, A.; Seifert, W.; Shectman, S. A.; Staab, D.; Street, R. A.; Mascareño, A. Suárez; Tsapras, Y.; Anglada-Escudé, G. (2018-11-15)
      Barnard’s star is a red dwarf, and has the largest proper motion (apparent motion across the sky) of all known stars. At a distance of 1.8 parsecs, it is the closest single star to the Sun; only the three stars in the α ...

    • Carbon abundances and 12C/13C from globular cluster giants -- 

      Pavlenko, Y.; Jones, H.R.A.; Longmore, A.J. (2003-10)

    • Carbon monoxide bands in M dwarfs 

      Pavlenko, Y.; Jones, H.R.A. (2002-12)

    • The CARMENES search for exoplanets around M dwarfs. Characterization of the nearby ultra-compact multiplanetary system YZ Ceti 

      Stock, S.; Kemmer, J.; Reffert, S.; Trifonov, T.; Kaminski, A.; Dreizler, S.; Quirrenbach, A.; Caballero, J. A.; Reiners, A.; Jeffers, S. V.; Anglada-Escudé, G.; Ribas, I.; Amado, P. J.; Barrado, D.; Barnes, J. R.; Bauer, F. F.; Berdiñas, Z. M.; Béjar, V. J. S.; Coleman, G. A. L.; Cortés-Contreras, M.; Díez-Alonso, E.; Domínguez-Fernández, A. J.; Espinoza, N.; Haswell, C. A.; Hatzes, A.; Henning, T.; Jenkins, J. S.; Jones, H. R. A.; Kossakowski, D.; Kürster, M.; Lafarga, M.; Lee, M. H.; González, M. J. López; Montes, D.; Morales, J. C.; Morales, N.; Pallé, E.; Pedraz, S.; guez, E. Rodrí; Rodríguez-López, C.; Zechmeister, M. (2020-02-07)
      Context. The nearby ultra-compact multiplanetary system YZ Ceti consists of at least three planets, and a fourth tentative signal. The orbital period of each planet is the subject of discussion in the literature due to ...

    • The case for a 'sub-millimeter SDSS' : a 3D map of galaxy evolution to z~10 

      Geach, James E.; Banerji, Manda; Bertoldi, Frank; Bethermin, Matthieu; Casey, Caitlin M.; Chen, Chian-Chou; Clements, David L.; Cicone, Claudia; Combes, Francoise; Conselice, Christopher; Cooray, Asantha; Coppin, Kristen; Daddi, Emanuele; Dannerbauer, Helmut; Dave, Romeel; Doherty, Matthew; Dunlop, James S.; Edge, Alastair; Farrah, Duncan; Franco, Maximilien; Fuller, Gary; Garratt, Tracy; Gear, Walter; Greve, Thomas R.; Hatziminaoglou, Evanthia; Hayward, Christopher C.; Ivison, Rob J.; Kawabe, Ryohei; Klaassen, Pamela; Knudsen, Kirsten K.; Kohno, Kotaro; Koprowski, Maciej; Lagos, Claudia D. P.; Magdis, Georgios E.; Magnelli, Benjamin; McGee, Sean L.; Michalowski, Michal; Mroczkowski, Tony; Noroozian, Omid; Oliver, Seb; Riechers, Dominik; Rujopakarn, Wiphu; Scott, Douglas; Serjeant, Stephen; Smith, Matthew W. L.; Swinbank, Mark; Tamura, Yoichi; Werf, Paul van der; Kampen, Eelco van; Verma, Aprajita; Vieira, Joaquin; Wagg, Jeff; Walter, Fabian; Wang, Lingyu; Wootten, Al; Yun, Min S. (2019-05-31)
      The Sloan Digital Sky Survey (SDSS) was revolutionary because of the extraordinary breadth and ambition of its optical imaging and spectroscopy. We argue that a 'sub-millimeter SDSS' - a sensitive large-area imaging+spectroscopic ...