Now showing items 3561-3580 of 10268

  • G11.92-0.61 MM1 : a Keplerian disc around a massive young proto-O star 

    Ilee, J. D.; Cyganowski, C. J.; Nazari, P.; Hunter, T. R.; Brogan, C. L.; Forgan, D. H.; Zhang, Q. (2016-11-11) - Journal article
    The formation process of massive stars is not well understood, and advancement in our understanding benefits from high-resolution observations and modelling of the gas and dust surrounding individual high-mass (proto)stars. ...
  • G11.92-0.61-MM2 : a bonafide massive prestellar core? 

    Cyganowski, C.J.; Brogan, C.L.; Hunter, T.R.; Graninger, D.; Öberg, K.I.; Vasyunin, A.; Zhang, Q.; Friesen, R.; Schnee, S. (2014-11-20) - Journal article
    Core accretion models of massive star formation require the existence of stable massive starless cores, but robust observational examples of such objects have proven elusive. We report subarcsecond-resolution Submillimeter ...
  • Gain assisted nanocomposite multilayers with near zero permittivity modulus at visible frequencies 

    Rizza, Carlo; Di Falco, Andrea; Ciattoni, Alessandro (2011-11) - Journal article
    We have fabricated a nano-laminate by alternating metal and gain medium layers, the gain dielectric consisting of a polymer incorporating optically pumped dye molecules. From standard reflection-transmission experiments, ...
  • Gait switches in deep-diving beaked whales : biomechanical strategies for long-duration dives 

    Martin Lopez, Lucia Martina; Miller, Patrick J. O.; de Soto, Natacha Aguilar; Johnson, Mark (2015-05) - Journal article
    Diving animals modulate their swimming gaits to promote locomotor efficiency and so enable longer, more productive dives. Beaked whales perform extremely long and deep foraging dives that probably exceed aerobic capacities ...
  • The Galactic Club or Galactic Cliques? Exploring the limits of interstellar hegemony and the Zoo hypothesis 

    Forgan, Duncan H. (2016-11-28) - Journal article
    The Zoo solution to Fermi's Paradox proposes that extraterrestrial intelligences (ETIs) have agreed to not contact the Earth. The strength of this solution depends on the ability for ETIs to come to agreement, and ...
  • Galactic microlensing : binary-lens light curve morphologies and results from the Rosetta spacecraft bulge survey 

    Liebig, Christine Elisabeth (University of St Andrews, 2014-06-25) - Thesis
    For 20 years now, gravitational microlensing observations towards the Galactic bulge have provided us with a wealth of information about the stellar and planetary content of our Galaxy, which is inaccessible via other ...
  • Galaxy and mass assembly (GAMA) : AUTOZ spectral redshift measurements, confidence and errors 

    Baldry, I.K.; Alpaslan, M.; Bauer, A.E.; Bland-Hawthorn, J.; Brough, S.; Cluver, M.E.; Croom, S.M.; Davies, L.J.M.; Driver, S.P.; Gunawardhana, M.L.P.; Holwerda, B.W.; Hopkins, A.M.; Kelvin, L.S.; Liske, J.; López-Sánchez, A.R.; Loveday, J.; Norberg, P.; Peacock, J.; Robotham, A.S.G.; Taylor, E.N. (2014-07-01) - Journal article
    The Galaxy And Mass Assembly (GAMA) survey has obtained spectra of over 230 000 targets using the Anglo-Australian Telescope. To homogenize the redshift measurements and improve the reliability, a fully automatic redshift ...
  • Galaxy And Mass Assembly (GAMA) : bivariate functions of Hα star-forming galaxies 

    Gunawardhana, M.L.P.; Hopkins, A.M.; Taylor, E.N.; Bland-Hawthorn, J.; Norberg, P.; Baldry, I.K.; Loveday, J.; Owers, M.S.; Wilkins, S.M.; Colless, M.; Brown, M.J. I.; Driver, S.P.; Alpaslan, M.; Brough, S.; Cluver, M.; Croom, S.; Kelvin, L.; Lara-López, M.A.; Liske, J.; López-Sánchez, A.R.; Robotham, A.S. G. (2015-02-11) - Journal article
    We present bivariate luminosity and stellar mass functions of Hα star-forming galaxies drawn from the Galaxy And Mass Assembly (GAMA) survey. While optically deep spectroscopic observations of GAMA over a wide sky area ...
  • Galaxy And Mass Assembly (GAMA) : curation and reanalysis of 16.6k redshifts in the G10/COSMOS region 

    Davies, L.J.M.; Driver, S.P.; Robotham, A.S.G.; Baldry, I.K.; Lange, R.; Liske, J.; Meyer, M.; Popping, A.; Wilkins, S.M.; Wright, A.H. (2015-02-11) - Journal article
    We discuss the construction of the Galaxy And Mass Assembly (GAMA) 10h region (G10) using publicly available data in the Cosmic Evolution Survey region (COSMOS) in order to extend the GAMA survey to z ∼ 1 in a single deg2 ...
  • Galaxy and mass assembly (GAMA) : end of survey report and data release 2 

    Liske, Jochen; Baldry, I.K.; Driver, Simon Peter; Tuffs, R.J.; Alpaslan, Mehmet; Andrae, E.; Brough, S.; Cluver, M.E.; Grootes, M.W.; Gunawardhana, M.L.P.; Kelvin, Lee Steven; Loveday, J.; Robotham, Aaron Stuart Graham; Taylor, E.N.; Bamford, S.P.; Bland-Hawthorn, J.; Brown, M.J.I.; Drinkwater, M.J.; Hopkins, A.M.; Meyer, M.J.; Norberg, P.; Peacock, J.A.; Agius, N.K.; Andrews, S.K.; Bauer, A.E.; Ching, J.H.Y.; Colless, M.; Conselice, C.J.; Croom, S.M.; Davies, L.J.M.; De Propris, R.; Dunne, L.; Eardley, E.M.; Ellis, S.; Foster, C.; Frenk, C.S.; Haußler, B.; Holwerda, B.W.; Howlett, C.; Ibarra, H.; Jarvis, M.J.; Jones, D.H.; Kafle, P.R.; Lacey, C.G.; Lange, R.; Lara-Ĺopez, M.A.; López-Sánchez, Á.R.; Maddox, S.; Madore, B.F.; McNaught-Roberts, T.; Moffett, A.J.; Nichol, R.C.; Owers, M.S.; Palamara, D.; Penny, S.J.; Phillipps, S.; Pimbblet, K.A.; Popescu, C.C.; Prescott, M.; Proctor, R.; Sadler, E.M.; Sansom, A.E.; Seibert, M.; Sharp, R.; Sutherland, W.; Vazquez-Mata, J.A.; van Kampen, E.; Wilkins, S.M.; Williams, R.; Wright, A.H. (2015-09-11) - Journal article
    The Galaxy And Mass Assembly (GAMA) survey is one of the largest contemporary spectroscopic surveys of low redshift galaxies. Covering an area of ~286 deg2 (split among five survey regions) down to a limiting magnitude of ...
  • Galaxy And Mass Assembly (GAMA) : galaxy close pairs, mergers and the future fate of stellar mass 

    Robotham, A. S. G.; Driver, S. P.; Davies, L. J. M.; Hopkins, A. M.; Baldry, I. K.; Agius, N. K.; Bauer, A. E.; Bland-Hawthorn, J.; Brough, S.; Brown, M. J. I.; Cluver, M.; De Propris, R.; Drinkwater, M. J.; Holwerda, B. W.; Kelvin, L. S.; Lara-Lopez, M. A.; Liske, J.; Lopez-Sanchez, A. R.; Loveday, J.; Mahajan, S.; McNaught-Roberts, T.; Moffett, A.; Norberg, P.; Obreschkow, D.; Owers, M. S.; Penny, S. J.; Pimbblet, K.; Prescott, M.; Taylor, E. N.; van Kampen, E.; Wilkins, S. M. (2014-11-11) - Journal article
    We use a highly complete subset of the Galaxy And Mass Assembly II (GAMA-II) redshift sample to fully describe the stellar mass dependence of close pairs and mergers between 10(8) and 10(12)M(circle dot). Using the analytic ...
  • Galaxy and Mass Assembly (GAMA) : halo formation times and halo assembly bias on the cosmic web 

    Tojeiro, Rita; Eardley, Elizabeth; Peacock, John A.; Norberg, Peder; Alpaslan, Mehmet; Driver, Simon P.; Henriques, Bruno; Hopkins, Andrew M.; Kafle, Prajwal R.; Robotham, Aaron S. G.; Thomas, Peter; Tonini, Chiara; Wild, Vivienne (2017-06-14) - Journal article
    We present evidence for halo assembly bias as a function of geometric environment. By classifying GAMA galaxy groups as residing in voids,sheets, filaments or knots using a tidal tensor method, we find that low-mass haloes ...
  • Galaxy And Mass Assembly (GAMA) : mass-size relations of z < 0.1 galaxies subdivided by Sérsic index, colour and morphology 

    Lange, Rebecca; Driver, Simon P.; Robotham, Aaron S. G.; Kelvin, Lee S.; Graham, Alister W.; Alpaslan, Mehmet; Andrews, Stephen K.; Baldry, Ivan K.; Bamford, Steven; Bland-Hawthorn, Joss; Brough, Sarah; Cluver, Michelle E.; Conselice, Christopher J.; Davies, Luke J. M.; Haeussler, Boris; Konstantopoulos, Iraklis S.; Loveday, Jon; Moffett, Amanda J.; Norberg, Peder; Phillipps, Steven; Taylor, Edward N.; Lopez-Sanchez, Angel R.; Wilkins, Stephen M. (2015-03-01) - Journal article
    We use data from the Galaxy And Mass Assembly (GAMA) survey in the redshift range 0.01 < z < 0.1 (8399 galaxies in g to Ks bands) to derive the stellar mass–half-light radius relations for various divisions of ‘early’- and ...
  • Galaxy and Mass assembly (GAMA) : maximum-likelihood determination of the luminosity function and its evolution 

    Loveday, J.; Norberg, P.; Baldry, I.K.; BaldryBland-Hawthorn, J.; Brough, S.; Brown, M.J.I.; Driver, S.P.; Kelvin, L.S.; Phillipps, S. (2015-08-01) - Journal article
    We describe modifications to the joint stepwise maximum-likelihood method of Cole in order to simultaneously fit the Galaxy and Mass Assembly II galaxy luminosity function (LF), corrected for radial density variations, and ...
  • Galaxy and Mass Assembly (GAMA) : merging galaxies and their properties 

    De Propris, Roberto; Baldry, Ivan K.; Bland-Hawthorn, Joss; Brough, Sarah; Driver, Simon P.; Hopkins, Andrew M.; Kelvin, Lee; Loveday, Jon; Phillipps, Steve; Robotham, Aaron S. G. (2014-11-01) - Journal article
    We derive the close pair fractions and volume merger rates for galaxies in the Galaxy and Mass Assembly (GAMA) survey with -23 <M-r <-17 (Omega(M) = 0.27, Omega(A) = 0.73, H-0 = 100 km s(-1) Mpc(-1)) at 0.01 <z <0.22 ...
  • Galaxy And Mass Assembly (GAMA) : mid-infrared properties and empirical relations from WISE 

    Cluver, M. E.; Jarrett, T. H.; Hopkins, A. M.; Driver, S. P.; Liske, J.; Gunawardhana, M. L. P.; Taylor, E. N.; Robotham, A. S. G.; Alpaslan, M.; Baldry, I.; Brown, M. J. I.; Peacock, J. A.; Popescu, C. C.; Tuffs, R. J.; Bauer, A. E.; Bland-Hawthorn, J.; Colless, M.; Holwerda, B. W.; Lara-Lopez, M. A.; Leschinski, K.; Lopez-Sanchez, A. R.; Norberg, P.; Owers, M. S.; Wang, L.; Wilkins, S. M. (2014-02-20) - Journal article
    The Galaxy And Mass Assembly (GAMA) survey furnishes a deep redshift catalog that, when combined with the Wide-field Infrared Survey Explorer (WISE), allows us to explore for the first time the mid-infrared properties of ...
  • Galaxy And Mass Assembly (GAMA) : Panchromatic Data Release (far-UV-far-IR) and the low-z energy budget 

    Driver, Simon P.; Wright, Angus H.; Andrews, Stephen K.; Davies, Luke J.; Kafle, Prajwal R.; Lange, Rebecca; Moffett, Amanda J.; Mannering, Elizabeth; Robotham, Aaron S. G.; Vinsen, Kevin; Alpaslan, Mehmet; Andrae, Ellen; Baldry, Ivan K.; Bauer, Amanda E.; Bamford, Steven P.; Bland-Hawthorn, Joss; Bourne, Nathan; Brough, Sarah; Brown, Michael J. I.; Cluver, Michelle E.; Croom, Scott; Colless, Matthew; Conselice, Christopher J.; da Cunha, Elisabete; De Propris, Roberto; Drinkwater, Michael; Dunne, Loretta; Eales, Steve; Edge, Alastair; Frenk, Carlos; Graham, Alister W.; Grootes, Meiert; Holwerda, Benne W.; Hopkins, Andrew M.; Ibar, Edo; van Kampen, Eelco; Kelvin, Lee S.; Jarrett, Tom; Jones, D. Heath; Lara-Lopez, Maritza A.; Liske, Jochen; Lopez-Sanchez, Angel R.; Loveday, Jon; Maddox, Steve J.; Madore, Barry; Mahajan, Smriti; Meyer, Martin; Norberg, Peder; Penny, Samantha J.; Phillipps, Steven; Popescu, Cristina; Tuffs, Richard J.; Peacock, John A.; Pimbblet, Kevin A.; Prescott, Matthew; Rowlands, Kate; Sansom, Anne E.; Seibert, Mark; Smith, Matthew W. L.; Sutherland, Will J.; Taylor, Edward N.; Valiante, Elisabetta; Vazquez-Mata, J. Antonio; Wang, Lingyu; Wilkins, Stephen M.; Williams, Richard (2016-02-01) - Journal article
    We present the Galaxy And Mass Assembly (GAMA) Panchromatic Data Release (PDR) constituting over 230 deg2 of imaging with photometryin 21 bands extending from the far-UV to the far-IR. These data complement our spectroscopic ...
  • Galaxy and Mass Assembly (GAMA) : probing the merger histories of massive galaxies via stellar populations 

    Ferreras, I.; Hopkins, A. M.; Gunawardhana, M. L. P.; Sansom, A. E.; Owers, M. S.; Driver, S.; Davies, L.; Robotham, A.; Taylor, E. N.; Konstantopoulos, I.; Brough, S.; Norberg, P.; Croom, S.; Loveday, J.; Wang, L.; Bremer, M. (2017-06-11) - Journal article
    The merging history of galaxies can be traced with studies of dynamically close pairs. These consist of a massive primary galaxy and a less massive secondary (or satellite) galaxy. The study of the stellar populations of ...
  • Galaxy And Mass Assembly (GAMA) : refining the local galaxy merger rate using morphological information 

    Casteels, Kevin R. V.; Conselice, Christopher J.; Bamford, Steven P.; Salvador-Sole, Eduard; Norberg, Peder R.; Agius, Nicola K.; Baldry, Ivan; Brough, Sarah; Brown, Michael J. I.; Drinkwater, Michael J.; Driver, Simon P.; Graham, Alister W.; Bland-Hawthorn, Joss; Hopkins, Andrew M.; Kelvin, Lee S.; Lopez-Sanchez, Angel R.; Loveday, Jon; Robotham, Aaron S. G.; Vazquez-Mata, Jose A. (2014-12-01) - Journal article
    We use the Galaxy And Mass Assembly (GAMA) survey to measure the local Universe mass-dependent merger fraction and merger rate using galaxy pairs and the CAS (concentration, asymmetry, and smoothness) structural method, ...