Now showing items 11634-11653 of 42486

  • The Discovery Of Hd 37605C And A Dispositive Null Detection Of Transits Of Hd 37605B 

    Wang, Sharon Xuesong; Wright, Jason T.; Cochran, William; Kane, Steven R.; Henry, Gregory W.; Payne, Matthew J.; Endl, Michael; MacQueen, Phillip J.; Valenti, Jeff A.; Antoci, Victoria; Dragomir, Diana; Matthews, Jaymie M.; Howard, Andrew W.; Marcy, Geoffrey W.; Isaacson, Howard; Ford, Eric B.; Mahadevan, Suvrath; von Braun, Kaspar (2012-12)
    We report the radial velocity discovery of a second planetary mass companion to the K0 V star HD 37605, which was already known to host an eccentric, P similar to 55 days Jovian planet, HD 37605b. This second planet, HD ...
  • Discovery Of Lyman Break Galaxies At Z Similar To 7 From The Zfourge Survey 

    Tilvi, Vithal; Papovich, Casey; Tran, K. V. H.; Labbe, I.; Spitler, L. R.; Straatman, C. M. S.; Persson, S. E.; Monson, A.; Glazebrook, K.; Quadri, R. F.; van Dokkum, P.; Ashby, M. L. N.; Faber, S. M.; Fazio, G. G.; Finkelstein, Steven L.; Ferguson, Henry C.; Grogin, N. A.; Kacprzak, G. G.; Kelson, Daniel D.; Koekemoer, A. M.; Murphy, David; McCarthy, P. J.; Newman, Jeffrey A.; Salmon, Brett; Willner, S. P. (2013-05)
    Star-forming galaxies at redshiftsz > 6 are likely responsible for the reionization of the universe, and it is important to study the nature of these galaxies. We present three candidates for z similar to 7 Lyman break ...
  • Discovery Of Polarization Reverberation In NGC 4151 

    Gaskell, C. Martin; Goosmann, Rene W.; Merkulova, Nelly I.; Shakhovskoy, Nikolay M.; Shoji, Masatoshi (2012-04)
    Observations of the optical polarization of NGC 4151 in 1997-2003 show variations of an order of magnitude in the polarized flux while the polarization position angle remains constant. The amplitude of variability of the ...
  • Discovery Of Pulsations, Including Possible Pressure Modes, In Two New Extremely Low Mass, He-Core White Dwarfs 

    Hermes, J. J.; Montgomery, Michael H.; Winget, D. E.; Brown, Warren R.; Gianninas, A.; Kilic, Mukremin; Kenyon, S. J.; Bell, Keaton J.; Harrold, Samuel T. (2013-03)
    We report the discovery of the second and third pulsating extremely low mass (ELM) white dwarfs (WDs), SDSS J111215.82+111745.0 (hereafter J1112) and SDSS J151826.68+065813.2 (hereafter J1518). Both have masses < 0.25 ...
  • Discovery of Seven Companions To Intermediate-Mass Stars With Extreme Mass Ratios in the Scorpius-Centaurus Association 

    Hinkley, S.; Kraus, Adam L.; Ireland, Michael J.; Cheetham, Anthony; Carpenter, John M.; Tuthill, Peter; Lacour, Sylvestre; Evans, Thomas M.; Haubois, Xaubois (2015-06)
    We report the detection of seven low-mass companions to intermediate-mass stars (SpT B/A/F; M similar to 1.5-4.5M(circle dot)) in the Scorpius-Centaurus (Sco-Cen) Association using nonredundant aperture masking interferometry. ...
  • Discovery of SiCSi in IRC+10216: A Missing Link Between Gas and Dust Carriers of SiC Bonds 

    Cernicharo, J.; McCarthy, M. C.; Gottlieb, C. A.; Agundez, M.; Prieto, L. V.; Baraban, J. H.; Changala, P. B.; Guelin, M.; Kahane, C.; Martin-Drumel, M. A.; Patel, N. A.; Reilly, N. J.; Stanton, J. F.; Quintana-Lacaci, G.; Thorwirth, S.; Young, K. H. (2015-06)
    We report the discovery in space of a disilicon species, SiCSi, from observations between 80 and 350 GHz with the IRAM 30 m radio telescope. Owing to the close coordination between laboratory experiments and astrophysics, ...
  • The Discovery Of Stellar Oscillations In The K Giant Iota Draconis 

    Zechmeister, M.; Reffert, S.; Hatzes, A. P.; Endl, M.; Quirrenbach, A. (2008-11)
    iota Dra (HIP 75458) is a well-known example of a K giant hosting a substellar companion. We present radial velocity measurements of this star from observations taken with three different instruments spanning nearly 8 ...
  • Discovery of the Transiting Planet Kepler-5B 

    Koch, David G.; Borucki, William J.; Rowe, Jason F.; Batalha, Natalie M.; Brown, Timothy M.; Caldwell, Douglas A.; Caldwell, John; Cochran, William D.; DeVore, Edna; Dunham, Edward W.; Dupree, Andrea K.; Gautier, Thomas N., III; Geary, John C.; Gilliland, Ron L.; Howell, Steve B.; Jenkins, Jon M.; Latham, David W.; Lissauer, Jack J.; Marcy, Geoff W.; Morrison, David; Tarter, Jill (2010-04)
    We present 44 days of high duty cycle, ultra precise photometry of the 13th magnitude star Kepler-5 (KIC 8191672, T(eff) = 6300 K, log g = 4.1), which exhibits periodic transits with a depth of 0.7%. Detailed modeling of ...
  • Discovery Of The Ultra-Bright Type II-L Supernova 2008es 

    Gezari, S.; Halpern, J. P.; Grupe, D.; Yuan, F.; Quimby, Robert; McKay, T.; Chamarro, D.; Sisson, M. D.; Akerlof, C.; Wheeler, J. Craig; Brown, Peter J.; Cenko, S. Bradley; Rau, A.; Djordjevic, J. O.; Terndrup, D. M. (2009-01)
    We report the discovery by the Robotic Optical Transient Search Experiment (ROTSE-IIIb) telescope of SN 2008es, an overluminous supernova (SN) at z = 0.205 with a peak visual magnitude of -22.2. We present multiwavelength ...
  • Discovery, observations and theory of over luminous supernovae and peculiar transients 

    Chatzopoulos, Emmanouil (2010-05)
    Modern wide-field imaging transient search projects led to the discovery of a new class of rare, over-luminous stellar explosions. Events like SN 2005ap (Quimby et al. 2007a), SN 2006gy (Quimby 2006; Smith et al. 2007), ...
  • Discovery, Progenitor and Early Evolution of A Stripped Envelope Supernova iPTF13bvn 

    Cao, Yi; Kasliwal, Mansi M.; Arcavi, Iair; Horesh, Assaf; Hancock, Paul; Valenti, Stefano; Cenko, S. Bradley; Kulkarni, S. R.; Gal-Yam, Avishay; Gorbikov, Evgeny; Ofek, Eran O.; Sand, David; Yaron, Ofer; Graham, Melissa; Silverman, Jeffrey M.; Wheeler, J. Craig; Marion, G. H.; Walker, Emma S.; Mazzali, Paolo; Howell, D. Andrew; Li, K. L.; Kong, A. K. H.; Bloom, Joshua S.; Nugent, Peter E.; Surace, Jason; Masci, Frank; Carpenter, John; Degenaar, Nathalie; Gelino, Christopher R. (2013-09)
    The intermediate Palomar Transient Factory reports our discovery of a young supernova, iPTF13bvn, in the nearby galaxy, NGC 5806 (22.5 Mpc). Our spectral sequence in the optical and infrared suggests a Type Ib classification. ...
  • Discovery of the Mexican Blindcat, Prietella phreatophila, in the U.S., and an update on its rangewide conservation status 

    Hendrickson, Dean A.; Johnson, Jack; Sprouse, Peter; Howard, Sarah; Garrett, Gary P.; Krejca, Jean K.; Gluesenkamp, Andrew; Dávila Paulín, José Antonio; Dugan, Laura; Cohen, Adam E.; Hernández Espriú, Antonio; Sullivan, John P.; Fenolio, Danté B.; Karges, John; Smith, Ryan; García De León, Francisco J.; Wolaver, Brad; Reddell, James (2017-03-03)
    Mexican blindcat, Prietella phreatophila, was described in 1954 from a single locality in Northern Coahuila, México. Long listed as endangered by the Mexican federal government, it was listed by the U.S. Fish and Wildlife ...
  • Discrete approximations to continuous distributions in decision analysis 

    Hammond, Robert Kincaid (2014-05)
    In decision analysis, continuous uncertainties (i.e., the volume of oil in a reservoir) must be approximated by discrete distributions for use in decision trees, for example. Many methods of this process, called discretization, ...
  • Discrete deterministic chaos 

    Newton, Joshua Benjamin (2010-08)
    In the course Discrete Deterministic Chaos, Dr. Mark Daniels introduces students to Chaos Theory and explores many topics within the field. Students prove many of the key results that are discussed in class and work through ...
  • Discrete gate sizing and threshold voltage assignment to optimize power under performance constraints 

    Singh, Jagmohan (2013-08)
    In today's world, it is becoming increasingly important to be able to design high performance integrated circuits (ICs) and have them run at as low power as possible. Gate sizing and threshold voltage (Vt) assignment ...
  • Discrete Hamilton's equations for thermo-electromagnetic systems 

    Lee, Seunghan (2010-05)
    Energy methods are used extensively in the formulation of discrete system models. They simplify the systematic integration of diverse kinematic schemes, and are well suited for characterizing complex energy domain coupling ...
  • Discrete Lagrange equations for reacting thermofluid systems 

    Hean, Charles Robert, 1960- (2009-05)
    The application of Lagrange's equations to non-equilibrium reacting compressible thermofluid systems yields a modeling methodology for thermofluid dynamics compatible with the discrete energy methods used extensively in ...
  • Discrete negative emotions generated in an interactive advertisement: an exploration of control as a medium effect 

    Villegas, Jorge (2002)
    Some researchers believe that affective experiences on interactive media are different than in traditional media or in real life. This study ‘s objective is to explain emotion elicitation in interactive media by applying ...
  • A discrete velocity method for the Boltzmann equation with internal energy and stochastic variance reduction 

    Clarke, Peter Barry (2015-12)
    The goal of this work is to develop an accurate and efficient flow solver based upon a discrete velocity description of the Boltzmann equation. Standard particle based methods such as Direct Simulation Monte Carlo (DSMC) ...