Now showing items 31-50 of 500

  • CALIFA, the Calar Alto Legacy Integral Field Area survey : III. Second public data release 

    García-Benito, R.; Zibetti, S.; Sánchez, S. F.; Husemann, B.; de Amorim, A. L.; Castillo-Morales, A.; Cid Fernandes, R.; Ellis, S. C.; Falcón-Barroso, J.; Galbany, L.; Gil de Paz, A.; González Delgado, R. M.; Lacerda, E. A. D.; López-Fernandez, R.; de Lorenzo-Cáceres, A.; Lyubenova, M.; Marino, R. A.; Mast, D.; Mendoza, M. A.; Pérez, E.; Vale Asari, N.; Aguerri, J. A. L.; Ascasibar, Y.; Bekerait*error*ė, S.; Bland-Hawthorn, J.; Barrera-Ballesteros, J. K.; Bomans, D. J.; Cano-Díaz, M.; Catalán-Torrecilla, C.; Cortijo, C.; Delgado-Inglada, G.; Demleitner, M.; Dettmar, R.-J.; Díaz, A. I.; Florido, E.; Gallazzi, A.; García-Lorenzo, B.; Gomes, J. M.; Holmes, L.; Iglesias-Páramo, J.; Jahnke, K.; Kalinova, V.; Kehrig, C.; Kennicutt, R. C.; López-Sánchez, Á. R.; Márquez, I.; Masegosa, J.; Meidt, S. E.; Mendez-Abreu, J.; Mollá, M.; Monreal-Ibero, A.; Morisset, C.; del Olmo, A.; Papaderos, P.; Pérez, I.; Quirrenbach, A.; Rosales-Ortega, F. F.; Roth, M. M.; Ruiz-Lara, T.; Sánchez-Blázquez, P.; Sánchez-Menguiano, L.; Singh, R.; Spekkens, K.; Stanishev, V.; Torres-Papaqui, J. P.; van de Ven, G.; Vilchez, J. M.; Walcher, C. J.; Wild, V.; Wisotzki, L.; Ziegler, B.; Alves, J.; Barrado, D.; Quintana, J. M.; Aceituno, J. (2015-04) - Journal article
    This paper describes the Second Public Data Release (DR2) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. The data for 200 objects are made public, including the 100 galaxies of the First Public Data Release ...
  • Candidate gravitational microlensing events for future direct lens imaging 

    Henderson, C. B.; Park, H.; Sumi, T.; Udalski, A.; Gould, A.; Tsapras, Y.; Han, C.; Gaudi, B. S.; Bozza, V.; Abe, F.; Bennett, D. P.; Bond, I. A.; Botzler, C. S.; Freeman, M.; Fukui, A.; Fukunaga, D.; Itow, Y.; Koshimoto, N.; Ling, C. H.; Masuda, K.; Matsubara, Y.; Muraki, Y.; Namba, S.; Ohnishi, K.; Rattenbury, N. J.; Saito, To; Sullivan, D. J.; Suzuki, D.; Sweatman, W. L.; Tristram, P. J.; Tsurumi, N.; Wada, K.; Yamai, N.; Yock, P. C. M.; Yonehara, A.; Szymanski, M. K.; Kubiak, M.; Pietrzynski, G.; Soszynski, I.; Skowron, J.; Kozlowski, S.; Poleski, R.; Ulaczyk, K.; Wyrzykowski, L.; Pietrukowicz, P.; Almeida, L. A.; Bos, M.; Choi, J. -Y.; Christie, G. W.; Depoy, D. L.; Dong, S.; Friedmann, M.; Hwang, K. -H.; Jablonski, F.; Jung, Y. K.; Kaspi, S.; Lee, C. -U.; Maoz, D.; McCormick, J.; Moorhouse, D.; Natusch, T.; Ngan, H.; Pogge, R. W.; Shin, I. -G.; Shvartzvald, Y.; Tan, T. -G.; Thornley, G.; Yee, J. C.; Allan, A.; Bramich, Daniel Martyn; Browne, Paul; Dominik, Martin; Horne, Keith Douglas; Hundertmark, Markus Peter Gerhard; Figuera Jaimes, Roberto Jose; Kains, Noé; Snodgrass, C.; Steele, I. A.; Street, Rachel Amanda; MOA Collaboration; OGLE Collaboration; FUN Collaboration; RoboNet Collaboration (2014-10-10) - Journal article
    The mass of the lenses giving rise to Galactic microlensing events can be constrained by measuring the relative lens-source proper motion and lens flux. The flux of the lens can be separated from that of the source, ...
  • Catastrophe versus instability for the eruption of a toroidal solar magnetic flux rope 

    Kliem, B.; Lin, J.; Forbes, T. G.; Priest, E. R.; Toeroek, T. (2014-07-01) - Journal article
    The onset of a solar eruption is formulated here as either a magnetic catastrophe or as an instability. Both start with the same equation of force balance governing the underlying equilibria. Using a toroidal flux rope in ...
  • A census of variability in globular cluster M 68 (NGC 4590) 

    Kains, N.; Arellano Ferro, A.; Figuera Jaimes, R.; Bramich, D. M.; Skottfelt, J.; Jørgensen, U. G.; Tsapras, Y.; Street, R. A.; Browne, P.; Dominik, M.; Horne, K.; Hundertmark, M.; Ipatov, S.; Snodgrass, C.; Steele, I. A.; Alsubai, K. A.; Bozza, V.; Calchi Novati, S.; Ciceri, S.; D'Ago, G.; Galianni, P.; Gu, S.-H.; Harpsøe, K.; Hinse, T. C.; Juncher, D.; Korhonen, H.; Mancini, L.; Popovas, A.; Rabus, M.; Rahvar, S.; Southworth, J.; Surdej, J.; Vilela, C.; Wang, X.-B.; Wertz, O. (2015-06) - Journal article
    Aims. We analyse 20 nights of CCD observations in the V and I bands of the globular cluster M 68 (NGC 4590) and use them to detect variable objects. We also obtained electron-multiplying CCD (EMCCD) observations for this ...
  • CHARA/MIRC observations of two M supergiants in perseus OB1 : temperature, Bayesian modeling, and compressed sensing imaging 

    Baron, F.; Monnier, J.D.; Kiss, L.L.; Neilson, H.R.; Zhao, M.; Anderson, M.; Aarnio, A.; Pedretti, E.; Thureau, N.; Ten Brummelaar, T.A.; Ridgway, S.T.; McAlister, H.A.; Sturmann, J.; Sturmann, L.; Turner, N. (2014-04-10) - Journal article
    Two red supergiants (RSGs) of the Per OB1 association, RS Per and T Per, have been observed in the H band using the Michigan Infra-Red Combiner (MIRC) instrument at the CHARA array. The data show clear evidence of a departure ...
  • A characteristic oxygen abundance gradient in galaxy disks unveiled with CALIFA 

    Sanchez, S. F.; Rosales-Ortega, F. F.; Iglesias-Paramo, J.; Molla, M.; Barrera-Ballesteros, J.; Marino, R. A.; Perez, E.; Sanchez-Blazquez, P.; Gonzalez Delgado, R.; Cid Fernandes, R.; De Lorenzo-Caceres Rodriguez, Adriana; Mendez Abreu, Jairo; Galbany, L.; Falcon-Barroso, J.; Miralles-Caballero, D.; Husemann, B.; Garcia-Benito, R.; Mast, D.; Walcher, C. J.; de Paz, A. Gil; Garcia-Lorenzo, B.; Jungwiert, B.; Vilchez, J. M.; Jilkova, Lucie; Lyubenova, M.; Cortijo-Ferrero, C.; Diaz, A. I.; Wisotzki, L.; Marquez, I.; Bland-Hawthorn, J.; Ellis, S.; van de Ven, G.; Jahnke, K.; Papaderos, P.; Gomes, J. M.; Mendoza, M. A.; Lopez-Sanchez, A. R. (2014-03-06) - Journal article
    We present the largest and most homogeneous catalog of H II regions and associations compiled so far. The catalog comprises more than 7000 ionized regions, extracted from 306 galaxies observed by the CALIFA survey. We ...
  • Characterization of low-mass, wide-separation substellar companions to stars in upper Scorpius : near-infrared photometry and spectroscopy 

    Lachapelle, F.-R.; Lafrenière, D.; Gagné, J.; Jayawardhana, R.; Janson, M.; Helling, C.; Witte, S. (2015-03-20) - Journal article
    We present new 0.9–2.45 μm spectroscopy (R ∼ 1000), and Y, J, H, Ks,L photometry, obtained at Gemini North, of three low-mass brown dwarf companions on wide orbits around young stars of the Upper Scorpius OB association: ...
  • Characterization of small planets with Kepler and HARPS-N 

    Bonomo, A. S.; Sozzetti, A.; Lovis, C.; Malavolta, L.; Rice, K.; Dumusque, X.; Cameron, A. C.; Latham, D. W.; Molinari, E.; Pepe, F.; Udry, S. (EDP Sciences, 2015-09-23) - Conference item
    The high-accuracy and high-precision HARPS-N spectrograph has been installed at the italian Telescopio Nazionale Galileo in La Palma approximately two years and a half ago. Eighty nights per year of Guaranteed Time of ...
  • Characterization of the gaseous companion κ Andromedae b New Keck and LBTI high-contrast observations 

    Bonnefoy, M.; Currie, T.; Marleau, G. -D.; Schlieder, J. E.; Wisniewski, J.; Carson, J.; Covey, K. R.; Henning, T.; Biller, B.; Hinz, P.; Klahr, H.; Boyer, A. N. Marsh; Zimmerman, N.; Janson, M.; McElwain, M.; Mordasini, C.; Skemer, A.; Bailey, V.; Defrere, D.; Thalmann, C.; Skrutskie, M.; Allard, F.; Homeier, D.; Tamura, M.; Feldt, M.; Cumming, A.; Grady, C.; Brandner, W.; Helling, C.; Witte, S.; Hauschildt, P.; Kandori, R.; Kuzuhara, M.; Fukagawa, M.; Kwon, J.; Kudo, T.; Hashimoto, J.; Kusakabe, N.; Abe, L.; Brandt, T.; Egner, S.; Guyon, O.; Hayano, Y.; Hayashi, M.; Hayashi, S.; Hodapp, K.; Ishii, M.; Iye, M.; Knapp, G.; Matsuo, T.; Mede, K.; Miyama, M.; Morino, J. -I.; Moro-Martin, A.; Nishimura, T.; Pyo, T.; Serabyn, E.; Suenaga, T.; Suto, H.; Suzuki, R.; Takahashi, T; Takami, M.; Takato, N.; Terada, H.; Tomono, D.; Turner, E.; Watanabe, M.; Yamada, T.; Takami, H.; Usuda, T. (2014-02-14) - Journal article
    Context. We previously reported the direct detection of a low-mass companion at a projected separation of 55 ± 2 AU around the B9-type star κ  Andromedae. The properties of the system (mass ratio, separation) make it a ...
  • Characterization of the planetary system Kepler-101 with HARPS-N : A hot super-Neptune with an Earth-sized low-mass companion 

    Bonomo, A.S.; Sozzetti, A.; Lovis, C.; Malavolta, L.; Rice, K.; Buchhave, L.A.; Sasselov, D.; Cameron, A.C.; Latham, D.W.; Molinari, E.; Pepe, F.; Udry, S.; Affer, L.; Charbonneau, D.; Cosentino, R.; Dressing, C.D.; Dumusque, X.; Figueira, P.; Fiorenzano, A.F.M.; Gettel, S.; Harutyunyan, A.; Haywood, R.D.; Horne, K.; Lopez-Morales, M.; Mayor, M.; Micela, G.; Motalebi, F.; Nascimbeni, V.; Phillips, D.F.; Piotto, G.; Pollacco, D.; Queloz, D.; Ségransan, D.; Szentgyorgyi, A.; Watson, C. (2014-12) - Journal article
    We characterize the planetary system Kepler-101 by performing a combined differential evolution Markov chain Monte Carlo analysis of Kepler data and forty radial velocities obtained with the HARPS-N spectrograph. This ...
  • Characterizing K2 planet discoveries : a super-Earth transiting the bright K dwarf HIP 116454 

    Vanderburg, Andrew; Montet, Benjamin T.; Johnson, John Asher; Buchhave, Lars A.; Zeng, Li; Pepe, Francesco; Cameron, Andrew Collier; Latham, David W.; Molinari, Emilio; Udry, Stephane; Lovis, Christophe; Matthews, Jaymie M.; Cameron, Chris; Law, Nicholas; Bowler, Brendan P.; Angus, Ruth; Baranec, Christoph; Bieryla, Allyson; Boschin, Walter; Charbonneau, David; Cosentino, Rosario; Dumusque, Xavier; Figueira, Pedro; Guenther, David B.; Harutyunyan, Avet; Hellier, Coel; Kuschnig, Rainer; Lopez-Morales, Mercedes; Mayor, Michel; Micela, Giusi; Moffat, Anthony F. J.; Pedani, Marco; Phillip, David F.; Piotto, Giampaolo; Pollacco, Don; Queloz, Didier; Rice, Ken; Riddle, Reed; Rowe, Jason F.; Rucinski, Slavek M.; Sasselov, Dimitar; Segransan, Damien; Sozzetti, Alessandro; Szentgyorgyi, Andrew; Watson, Chris; Weiss, Werner W. (2015-02-10) - Journal article
    We report the first planet discovery from the two-wheeled Kepler (K2) mission: HIP 116454 b. The host star HIP 116454 is a bright (V = 10.1, K = 8.0) K1 dwarf with high proper motion and a parallax-based distance of 55.2 ...
  • Charge carrier mobility of the organic photovoltaic materials PTB7 and PC71BM and its influence on device performance 

    Ebenhoch, Bernd; Thomson, Stuart Alexander James; Genevicius, Kristijonas; Juska, Gytis; Samuel, Ifor David William (2015-07) - Journal article
    The mobility is an important parameter for organic solar cell materials as it influences the charge extraction and recombination dynamics. In this study, the time of flight technique is used to investigate the charge ...
  • Chemical abundances and kinematics of 257 G-, K-type field giants. Setting a base for further analysis of giant-planet properties orbiting evolved stars 

    Adibekyan, V. Zh.; Benamati, L.; Santos, N. C.; Alves, S.; Lovis, C.; Udry, S.; Israelian, G.; Sousa, S. G.; Tsantaki, M.; Mortier, A.; Sozzetti, A.; De Medeiros, J. R. (2015-06-01) - Journal article
    We performed a uniform and detailed abundance analysis of 12 refractory elements (Na, Mg, Al, Si, Ca, Ti, Cr, Ni, Co, Sc, Mn, and V) for a sample of 257 G- and K-type evolved stars from the CORALIE planet search programme. ...
  • Classical T Tauri stars : magnetic fields, coronae, and star-disc interactions 

    Johnstone, C. P.; Jardine, Moira Mary; Gregory, Scott; Donati, J. -F.; Hussain, G. (2014-02-01) - Journal article
    The magnetic fields of young stars set their coronal properties and control their spin evolution via the star-disc interaction and outflows. Using 14 magnetic maps of 10 classical T Tauri stars (CTTSs) we investigate their ...
  • Cloud-based e-Infrastructure for scheduling astronomical observations 

    Wetter, James Patrick; Akgun, Ozgur; Barker, Adam David; Dominik, Martin; Miguel, Ian James; Varghese, Blesson (IEEE Computer Society, 2015-08-31) - Conference item
    Gravitational microlensing exploits a transient phenomenon where an observed star is brightened due to deflection of its light by the gravity of an intervening foreground star. It is conjectured that this technique can be ...
  • The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey : baryon acoustic oscillations in the Data Releases 10 and 11 Galaxy samples 

    Anderson, Lauren; Aubourg, Éric; Bailey, Stephen; Beutler, Florian; Bhardwaj, Vaishali; Blanton, Michael; Bolton, Adam S.; Brinkmann, J.; Brownstein, Joel R.; Burden, Angela; Chuang, Chia-Hsun; Cuesta, Antonio J.; Dawson, Kyle S.; Eisenstein, Daniel J.; Escoffier, Stephanie; Gunn, James E.; Guo, Hong; Ho, Shirley; Honscheid, Klaus; Howlett, Cullan; Kirkby, David; Lupton, Robert H.; Manera, Marc; Maraston, Claudia; McBride, Cameron K.; Mena, Olga; Montesano, Francesco; Nichol, Robert C.; Nuza, Sebastián E.; Olmstead, Matthew D.; Padmanabhan, Nikhil; Palanque-Delabrouille, Nathalie; Parejko, John; Percival, Will J.; Petitjean, Patrick; Prada, Francisco; Price-Whelan, Adrian M.; Reid, Beth; Roe, Natalie A.; Ross, Ashley J.; Ross, Nicholas P.; Sabiu, Cristiano G.; Saito, Shun; Samushia, Lado; Sánchez, Ariel G.; Schlegel, David J.; Schneider, Donald P.; Scoccola, Claudia G.; Seo, Hee-Jong; Skibba, Ramin A.; Strauss, Michael A.; Swanson, Molly E. C.; Thomas, Daniel; Tinker, Jeremy L.; Tojeiro, Rita; Magaña, Mariana Vargas; Verde, Licia; Wake, David A.; Weaver, Benjamin A.; Weinberg, David H.; White, Martin; Xu, Xiaoying; Yèche, Christophe; Zehavi, Idit; Zhao, Gong-Bo (2014-06-11) - Journal article
    We present a one per cent measurement of the cosmic distance scale from the detections of the baryon acoustic oscillations (BAO) in the clustering of galaxies from the Baryon Oscillation Spectroscopic Survey, which is part ...
  • The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey : galaxy clustering measurements in the low-redshift sample of Data Release 11 

    Tojeiro, Rita; Ross, Ashley J.; Burden, Angela; Samushia, Lado; Manera, Marc; Percival, Will J.; Beutler, Florian; Brinkmann, J.; Brownstein, Joel R.; Cuesta, Antonio J.; Dawson, Kyle; Eisenstein, Daniel J.; Ho, Shirley; Howlett, Cullan; McBride, Cameron K.; Montesano, Francisco; Olmstead, Matthew D.; Parejko, John K.; Reid, Beth; Sánchez, Ariel G.; Schlegel, David J.; Schneider, Donald P.; Tinker, Jeremy L.; Magaña, Mariana Vargas; White, Martin (2014-05-21) - Journal article
    We present the distance measurement to z = 0.32 using the eleventh data release (DR) of the Sloan Digital Sky Survey-III Baryon Acoustic Oscillation Survey (BOSS). We use 313 780 galaxies of the low-redshift (LOWZ) sample ...
  • The clustering of Galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey : including covariance matrix errors 

    Percival, Will J.; Ross, Ashley J.; Sánchez, Ariel G.; Samushia, Lado; Burden, Angela; Crittenden, Robert; Cuesta, Antonio J.; Magana, Mariana Vargas; Manera, Marc; Beutler, Florian; Chuang, Chia-Hsun; Eisenstein, Daniel J.; Ho, Shirley; McBride, Cameron K.; Montesano, Francesco; Padmanabhan, Nikhil; Reid, Beth; Saito, Shun; Schneider, Donald P.; Seo, Hee-Jong; Tojeiro, Rita; Weaver, Benjamin A. (2014-04-11) - Journal article
    We present improved methodology for including covariance matrices in the error budget of Baryon Oscillation Spectroscopic Survey (BOSS) galaxy clustering measurements, revisiting Data Release 9 (DR9) analyses, and describing ...
  • The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey : measuring DA and H at z = 0.57 from the baryon acoustic peak in the Data Release 9 spectroscopic Galaxy sample 

    Anderson, Lauren; Aubourg, Eric; Bailey, Stephen; Beutler, Florian; Bolton, Adam S.; Brinkmann, J.; Brownstein, Joel R.; Chuang, Chia-Hsun; Cuesta, Antonio J.; Dawson, Kyle S.; Eisenstein, Daniel J.; Ho, Shirley; Honscheid, Klaus; Kazin, Eyal A.; Kirkby, David; Manera, Marc; McBride, Cameron K.; Mena, O.; Nichol, Robert C.; Olmstead, Matthew D.; Padmanabhan, Nikhil; Palanque-Delabrouille, N.; Percival, Will J.; Prada, Francisco; Ross, Ashley J.; Ross, Nicholas P.; Sánchez, Ariel G.; Samushia, Lado; Schlegel, David J.; Schneider, Donald P.; Seo, Hee-Jong; Strauss, Michael A.; Thomas, Daniel; Tinker, Jeremy L.; Tojeiro, Rita; Verde, Licia; Wake, David; Weinberg, David H.; Xu, Xiaoying; Yeche, Christophe (2014-03-21) - Journal article
    We present measurements of the angular diameter distance to and Hubble parameter at z = 0.57 from the measurement of the baryon acoustic peak in the correlation of galaxies from the Sloan Digital Sky Survey III Baryon ...
  • The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey : mock galaxy catalogues for the low-redshift sample 

    Manera, Marc; Samushia, Lado; Tojeiro, Rita; Howlett, Cullan; Ross, Ashley J.; Percival, Will J.; Gil-Marín, Hector; Brownstein, Joel R.; Burden, Angela; Montesano, Francesco (2015-02-01) - Journal article
    We present 1000 mock galaxy catalogues (mocks) for the analysis of the low-redshift sample (LOWZ; effective redshift z ˜ 0.32) of the Baryon Oscillation Spectroscopic Survey (BOSS) Data Releases 10 and 11. These mocks have ...