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Recent Submissions

  • New VVV Survey Globular Cluster Candidates in the Milky Way Bulge 

    Minniti, Dante; Geisler, Douglas; Alonso-García, Javier; Palma, Tali; Beamin, Juan Carlos; Borissova, Jura; Catelan, Marcio; Clariá, Juan J.; Cohen, Roger E.; Ramos, Rodrigo Contreras; Dias, Bruno; Fernandez-Trincado, Jose; Gomez, Matias; Hempel, Maren; Ivanov, Valentin D.; Kurtev, Radostin; Lucas, Philip; Moni-Bidin, Christian; Pullen, Joyce; Alegría, Sebastian Ramírez; Saito, Roberto K.; Valenti, Elena (2017-11-10)
    It is likely that a number of Galactic globular clusters remain to be discovered, especially toward the Galactic bulge. High stellar density combined with high and differential interstellar reddening are the two major ...
  • The HP2 Survey - IV. The Pipe nebula : Effective dust temperatures in dense cores 

    Hasenberger, Birgit; Lombardi, Marco; Alves, João; Forbrich, Jan; Hacar, Alvaro; Lada, Charles J. (2018-07-16)
    Multi-wavelength observations in the sub-mm regime provide information on the distribution of both the dust column density and the effective dust temperature in molecular clouds. In this study, we created high-resolution ...
  • Radiative age mapping of the remnant radio galaxy B2 0924+30 : The LOFAR perspective 

    Shulevski, A.; Morganti, R.; Harwood, J. J.; Barthel, P. D.; Jamrozy, M.; Brienza, M.; Brunetti, G.; Röttgering, H. J.A.; Murgia, M.; White, G. J.; Croston, J. H.; Brüggen, M. (2017-04-01)
    We have observed the steep spectrum radio source B2 0924+30 using the LOw Frequency ARray (LOFAR) telescope. Hosted by a z = 0.026 elliptical galaxy, it has a relatively large angular size of 12′ (corresponding to 360 kpc ...
  • Squeezed between shells? On the origin of the Lupus I molecular cloud. - II. APEX CO and GASS HI observations 

    Gaczkowski, B.; Roccatagliata, V.; Flaischlen, S.; Kroell, D.; Krause, M.~G.~H.; Burkert, A.; Diehl, R.; Fierlinger, K.; Ngoumou, J.; Preibisch, T. (2017-12-12)
    Context. The Lupus I cloud is found between the Upper-Scorpius (USco) and the Upper-Centaurus-Lupus (UCL) sub-groups of the Scorpius-Centaurus OB-association, where the expanding USco H I shell appears to interact with a ...
  • In-depth study of moderately young but extremely red, very dusty substellar companion HD206893B 

    Delorme, P.; Schmidt, T.; Bonnefoy, M.; Desidera, S.; Ginski, C.; Charnay, B.; Lazzoni, C.; Christiaens, V.; Messina, S.; D'Orazi, V.; Milli, J.; Schlieder, Joshua E.; Gratton, R.G.; Rodet, L.; Lagrange, A-M; Absil, O.; Vigan, A.; Galicher, R.; Hagelberg, J.; Bonavita, Mariangela; Lavie, B.; Zurlo, A; Olofsson, J.; Boccaletti, A.; Cantalloube, F.; Mouillet, D.; Chauvin, G.; Hambsch, F. -J.; Langlois, M.; Udry, S.; Henning, Th; Beuzit, J-L; Mordasini, Christoph; Lucas, P.; Marocco, F.; Biller, B.; Carson, J.; Cheetham, A.; Covino, E.; Caprio, V. De; Delboulbe, A.; Feld, M.; Girard, J.H.V.; Hubin, N.; Maire, A-L; Pavlov, A.; Petit, C.; Rouan, D.; Roelfsema, R.; Wildi, F. (2017-12-08)
    The substellar companion HD206893b has recently been discovered by direct imaging of its disc-bearing host star with the SPHERE instrument. We investigate the atypical properties of the companion, which has the reddest ...
  • Search and modelling of remnant radio galaxies in the LOFAR Lockman Hole field 

    Brienza, M.; Godfrey, L.; Morganti, R.; Prandoni, I.; Harwood, J.; Mahony, E. K.; Hardcastle, M. J.; Murgia, Matteo; Röttgering, H.~J.~A.; Shimwell, Timothy W.; Shulevski, Aleksander (2017-10-20)
    The phase of radio galaxy evolution after the jets have switched off, often referred to as the remnant phase, is poorly understood and very few sources in this phase are known. In this work we present an extensive search ...
  • Correlated optical, X-ray, and $-ray flaring activity seen with INTEGRAL during the 2015 outburst of V404 Cygni 

    Rodriguez, J.; Cadolle Bel, M.; Alfonso-Garzón, J.; Siegert, T.; Zhang, X.-L.; Grinberg, V.; Savchenko, V.; Tomsick, J.~A.; Chenevez, J.; Clavel, M.; Corbel, S.; Diehl, R.; Domingo, A.; Gouiffès, C.; Greiner, J.; Krause, M.~G.~H.; Laurent, P.; Loh, A.; Markoff, S.; Mas-Hesse, J.~M.; Miller-Jones, J.~C.~A.; Russell, D.~M.; Wilms, J. (2015-09-23)
    After 25 years of quiescence, the microquasar V404 Cyg entered a new period of activity in June 2015. This X-ray source is known to undergo extremely bright and variable outbursts seen at all wavelengths. It is therefore ...
  • Abundances of carbon-enhanced metal-poor stars as constraints on their formation 

    Hansen, C.J.; Nordström, B.; Hansen, T.T.; Kennedy, C.R.; Placco, V.M.; Beers, T.C.; Andersen, J.; Cescutti, Gabriele; Chiappini, Cristina (2016-04-01)
    Context. An increasing fraction of carbon-enhanced metal-poor (CEMP) stars is found as their iron abundance, [Fe/H], decreases below [Fe/H] =−2.0. The CEMP-s stars have the highest absolute carbon abundances, [C/H], and ...
  • Time as It Could Be Measured in Artificial Living Systems 

    Robu, Andrei; Polani, Daniel (MIT Press, 2017-09-04)
    Being able to measure time, whether directly or indirectly, is a significant advantage for an organism. It permits it to predict regular events, and prepare for them on time. Thus, clocks are ubiquitous in biology. In the ...
  • The Gaia-ESO Survey : the N/O abundance ratio in the Milky Way 

    Magrini, L.; Vincenzo, F.; Randich, S.; Pancino, E.; Casali, G.; Tautvaisiene, G.; Drazdauskas, A.; Mikolaitis, S.; Minkeviciute, R.; Stonkute, E.; Chorniy, Y.; Bagdonas, V.; Kordopatis, G.; Frie, E.; Roccatagliata, V.; Jimenez-Esteban, F. M.; Gilmore, G.; Vallenari, A.; Bensby, T.; Bragaglia, A.; Korn, A. J.; Lanzafame, A. C.; Smiljanic, R.; Bayo, A.; Casey, A. R.; Costado, M. T.; Franciosini, E.; Hourihane, A.; Jofré, P.; Lewis, J.; Monaco, L.; Morbidelli, L.; Sacco, G.; Worley, C. (2018-07-16)
    The abundance ratio N/O is a useful tool to study the interplay of galactic processes, e.g. star formation efficiency, time-scale of infall and outflow loading factor We aim to trace log(N/O) versus [Fe/H] in the Milky Way ...
  • LOFAR MSSS: The Scaling Relation between AGN Cavity Power and Radio Luminosity at Low Radio Frequencies 

    Kokotanekov, G.; Wise, Michael; Heald, G. H.; McKean, J. P.; Bîrzan, L.; Rafferty, D. A.; Godfrey, L. E H; Vries, M. de; Intema, Huib T.; Broderick, J. W.; Hardcastle, M. J.; Bonafede, A.; Clarke, A. O.; Weeren, R. J. van; Röttgering, H.~J.~A.; Pizzo, R.; Iacobelli, M.; Orrú, E.; Shulevski, Alexander; Riseley, C. J.; Breton, R. P.; Nikiel-Wroczyński, B.; Sridhar, S. S.; Stewart, A. J.; Rowlinson, A.; Horst, A. J. van der; Harwood, J. J.; Gürkan, G.; Carbone, D.; Pandey-Pommier, M.; Tasse, C.; Scaife, A. M. M.; Pratley, L.; Ferrari, Chiara; Croston, J. H.; Pandey, V. N.; Jurusik, W.; Mulcahy, D. D. (2017-09-07)
    We present a new analysis of the widely used relation between cavity power and radio luminosity in clusters of galaxies with evidence for strong AGN feedback. We study the correlation at low radio frequencies using two new ...
  • Detection of Newly Emerging Psychoactive Substances Using Raman Spectroscopy and Chemometrics 

    Calvo-Castro, Jesus; Guirguis, Amira; Samaras, Eleftherios; Zloh, Mire; Kirton, Stewart; Stair, Jacqueline (2018-09-12)
    A novel approach for the identification of New Psychoactive Substances (NPS) by means of Raman spectroscopy coupled with Principal Components Analysis (PCA) employing the largest dataset of NPS reference materials to date ...
  • A Kosambi-Karhunen–Loève Learning Approach to Cooperative Spectrum Sensing in Cognitive Radio Networks 

    Simpson, Oluyomi; Abdulkadir, Yusuf; Sun, Yichuang (2018-08-30)
    This paper focuses on the issues of cooperative spectrum sensing (CSS) in a large cognitive radio network (CRN) where cognitive radio (CR) nodes can cooperative with neighboring nodes using spatial cooperation. A novel ...
  • A Novel Visual Interface to Foster Innovation in Mechanical Engineering and Protect from Patent Infringement 

    Sorce, Salvatore; Malizia, Alessio; Jiang, Pingfei; Atherton, Mark; Harrison, David (2018-04-25)
    One of the main time and money consuming tasks in the design of industrial devices and parts is the checking of possible patent infringements. Indeed, the great number of documents to be mined and the wide variety of ...
  • Studies on mineral dust using airborne lidar, ground-based remote sensing, and in situ instrumentation 

    Marenco, Franco; Ryder, Claire; Estelles, Victor; Segura, Sara; Amiridis, Vassilis; Proestakis, Emmanouil; Marinou, Eleni; Tsekeri, Alexandra; Smith, Helen R.; Ulanowski, Zbigniew; O'Sullivan, Debbie; Brooke, Jennifer; Pradhan, Yaswant; Buxmann, Joelle (2018-04-13)
    In August 2015, the AER-D campaign made use of the FAAM research aircraft based in Cape Verde, and targeted mineral dust. First results will be shown here. The campaign had multiple objectives: (1) lidar dust mapping for ...
  • Low-cost real-time multi-parameter bio-aerosol sensors (invited paper) 

    Foot, V.E.; Kaye, Paul H.; Stanley, Warren; Barrington, S.J.; Gallagher, M.W.; Gabey, A. (2008-06-16)
    Sensors that are able to provide reagent-free, continuous monitoring for potential bio-aerosol hazards are required in many environments. In general, increasing the number of optical and spectroscopic properties of individual ...
  • Using Machine Learning Techniques to Recover Prismatic Cirrus Ice Crystal Size from 2-Dimensional Light Scattering Patterns 

    Priori,, Daniel; de Sousa, Giseli; Roisenberg, Mauro; Stopford, Chris; Hesse, Evelyn; Davey, Neil; Sun, Yi (2016-08-13)
    In this paper, we present a prediction model developed to identify particles size of ice crystals in clouds. The proposed model combines a Feed Forward Multi-Layer Perceptron neural network withBayesian regularization ...
  • Finding places and spaces for recognition: applied art therapy training and practice in the mitigation against unthinking acts of violence 

    Berman, Hayley (2017-02-23)
    This paper explores the potentialities of Community Art Counselling techniques and processes in South Africa and how not only do these offer therapeutic spaces for traumatised communities, but can also serve as interfaces ...
  • Aspects of Humanism : An eight week course 

    Larvor, Brendan (2012)
    Humanists have no official doctrine. Humanism is a loose family of views, united by the thought that the business of living is usually and on the whole worthwhile, and that belief in supernatural beings has nothing to offer ...
  • The social responsibility of the Olympic Games: Olympic women. 

    Pike, Elizabeth (2017-05-25)
    This paper will review the history of women’s involvement in the Olympic Games, how gender is socially (re)constructed through these events, current issues facing women who compete at the Olympic/Paralympic level, and what ...

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