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Browsing by Author "Irwin, J."

Browsing by Author "Irwin, J."

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  • Angular momentum evolution of cool stars: Toward a synthesis of observations and theory before and after the ZAMS 
    Meibom, S.; Barnes, S. A.; Covey, K.; Jeffries, R. D.; Matt, S.; Morin, J.; Palacios, A.; Reiners, A.; Sicilia-Aguilar, A.; Irwin, J. (2013)
    The coexistence of fast and slowly rotating cool stars in ZAMS clusters - forming distinct sequences in the color vs. rotation period plane - is providing clues to differences in their pre main-sequence angular momentum ...
  • Brown dwarfs and very low mass stars in the Hyades cluster: a dynamically evolved mass function 
    Bouvier, Jerome; Kendall, T.; Meeus, G.; Testi, L.; Moraux, E.; Stauffer, J. R.; James, D.; Cuillandre, Jean-Charles; Irwin, J.; McCaughrean, M. J.; Baraffe, I.; Bertin, E. (2008)
  • Deep long asymmetric occultation in EPIC 204376071 
    Rappaport, S.; Zhou, George; Vanderburg, A.; Mann, A.; Kristiansen, M. H.; Oláh, K.; Jacobs, T. L.; Newton, E.; Omohundro, M. R.; LaCourse, D.; Schwengeler, H. M.; Terentev, I. A.; Latham, D. W.; Bieryla, A.; Soares-Furtado, M.; Bouma, L. G.; Ireland, M. J.; Irwin, J. (2019)
    We have discovered a young M star of mass 0.16 M<SUB>?</SUB> and radius 0.63 R<SUB>?</SUB>, likely in the Upper Sco Association, that exhibits only a single 80 per cent deep occultation of 1-d duration. The star has frequent ...
  • Discovery and characterization of WASP-6b, an inflated sub-Jupiter mass planet transiting a solar-type star 
    Gillon, M.; Anderson, D. R.; Triaud, A. H. M. J.; Hellier, C.; Maxted, P. F. L.; Pollaco, D.; Queloz, D.; Smalley, B.; West, R. G.; Wilson, D. M.; Bentley, S. J.; Collier Cameron, A.; Enoch, B.; Hebb, L.; Horne, K.; Irwin, J.; Joshi, Y. C.; Lister, T. A.; Mayor, M.; Pepe, F.; Parley, N.; Segransan, D.; Udry, S.; Wheatley, P. J. (2009)
  • Extremely red stellar objects revealed by IPHAS 
    Wright, N. J.; Greimel, R.; Barlow, M. J.; Drew, J. E.; Cioni, M. -R L.; Zijlstra, A. A.; Corradi, R. L. M.; Gonzlez-Solares, E. A.; Groot, P.; Irwin, J.; Irwin, M. J.; Mampaso, A.; Morris, R. A. H.; Steeghs, D.; Unruh, Y. C.; Walton, N. (2008)
  • Initial data release from the INT Photometric H? Survey of the Northern Galactic Plane (IPHAS) 
    González-Solares, E. A.; Walton, N. A.; Greimel, R.; Drew, J. E.; Irwin, M. J.; Sale, S. E.; Andrews, K.; Aungwerojwit, A.; Barlow, M. J.; van den Besselaar, E.; Corradi, R. L. M.; Gänsicke, B. T.; Groot, P. J.; Hales, A. S.; Hopewell, E. C.; Hu, H.; Irwin, J.; Knigge, C.; Lagadec, E.; Leisy, P.; Lewis, J. R.; Mampaso, A.; Matsuura, M.; Moont, B.; Morales-Rueda, L.; Morris, R. A. H.; Naylor, T.; Parker, Q. A.; Prema, P.; Pyrzas, S.; Rixon, G. T.; Rodríguez-Gil, P.; Roelofs, G.; Sabin, L.; Skillen, I.; Suso, J.; Tata, R.; Viironen, K.; Vink, J. S.; Witham, A.; Wright, N. J.; Zijlstra, A. A.; Zurita, A.; Drake, Jeremy J.; Fabregat, J.; Lennon, D. J.; Lucas, P. W.; Martín, E. L.; Phillipps, S.; Steeghs, D.; Unruh, Y. C. (2008)
  • The James Clerk Maxwell Telescope Nearby Galaxies Legacy Survey. I. Star-Forming Molecular Gas in Virgo Cluster Spiral Galaxies 
    Wilson, C. D.; Warren, B. E.; Israel, F. P.; Serjeant, S.; Bendo, G.; Brinks, E.; Clements, David L.; Courteau, S.; Irwin, J.; Knapen, J. H.; Leech, J.; Matthews, H. E.; Mhle, S.; Mortier, A. M. J.; Petitpas, Glen R.; Sinukoff, E.; Spekkens, K.; Tan, B. K.; Tilanus, R. P. J.; Usero, A.; van der Werf, P. P.; Wiegert, T.; Zhu, M. (2009)
  • The JCMT Nearby Galaxies Legacy Survey - III. Comparisons of cold dust, polycyclic aromatic hydrocarbons, molecular gas and atomic gas in NGC 2403 
    Bendo, G. J.; Wilson, C. D.; Warren, B. E.; Brinks, E.; Butner, H. M.; Chanial, P.; Clements, David L.; Courteau, S.; Irwin, J.; Israel, F. P.; Knapen, J. H.; Leech, J.; Matthews, H. E.; Mühle, S.; Petitpas, Glen R.; Serjeant, S.; Tan, B. K.; Tilanus, R. P. J.; Usero, A.; Vaccari, M.; van, der Werf; Vlahakis, C.; Wiegert, T.; Zhu, M. (2010)
  • The JCMT Nearby Galaxies Legacy Survey - VIII. CO data and the LCO(3-2)-LFIR correlation in the SINGS sample 
    Wilson, C. D.; Warren, B. E.; Israel, F. P.; Serjeant, S.; Attewell, D.; Bendo, G. J.; Butner, H. M.; Chanial, P.; Clements, D. L.; Golding, J.; Heesen, V.; Irwin, J.; Leech, J.; Matthews, H. E.; Mühle, S.; Mortier, A. M. J.; Petitpas, Glen R.; Sánchez-Gallego, J. R.; Sinukoff, E.; Shorten, K.; Tan, B. K.; Tilanus, R. P. J.; Usero, A.; Vaccari, M.; Wiegert, T.; Zhu, M.; Alexander, D. M.; Alexander, P.; Azimlu, M.; Barmby, P.; Brar, R.; Bridge, C.; Brinks, E.; Brooks, S.; Coppin, K.; Côté, S.; Côté, P.; Courteau, S.; Davies, J.; Eales, S.; Fich, M.; Hudson, M.; Hughes, D. H.; Ivison, R. J.; Knapen, J. H.; Page, M.; Parkin, T. J.; Rigopoulou, D.; Rosolowsky, E.; Seaquist, E. R.; Spekkens, K.; Tanvir, N.; van, der Hulst; van, der Werf; Vlahakis, C.; Webb, T. M.; Weferling, B.; White, G. J. (2012)
    The James Clerk Maxwell Telescope Nearby Galaxies Legacy Survey (NGLS) comprises an H I-selected sample of 155 galaxies spanning all morphological types with distances less than 25 Mpc. We describe the scientific goals of ...
  • The Low Density Transiting Exoplanet WASP-15b 
    West, R. G.; Anderson, D. R.; Gillon, M.; Hebb, L.; Hellier, C.; Maxted, P. F. L.; Queloz, D.; Smalley, B.; Triaud, A. H. M. J.; Wilson, D. M.; Bentley, S. J.; Collier Cameron, A.; Enoch, B.; Horne, K.; Irwin, J.; Lister, T. A.; Mayor, M.; Parley, N.; Pepe, F.; Pollacco, D.; Segransan, D.; Spano, M.; Udry, S.; Wheatley, P. J. (2009)
  • The main-sequence rotation-colour relation in the Coma Berenices open cluster 
    Collier Cameron, A.; Davidson, V. A.; Hebb, L.; Skinner, G.; Anderson, D. R.; Christian, D. J.; Clarkson, W. I.; Enoch, B.; Irwin, J.; Joshi, Y.; Haswell, C. A.; Hellier, C.; Horne, K. D.; Kane, S. R.; Lister, T. A.; Maxted, P. F. L.; Norton, A. J.; Parley, N.; Pollacco, D.; Ryans, R.; Scholz, A.; Skillen, I.; Smalley, B.; Street, R. A.; West, R. G.; Wilson, D. M.; Wheatley, P. J. (2009)
  • Mapping accretion and its variability in the young open cluster NGC 2264: a study based on u- band photometry 
    Venuti, L.; Bouvier, J.; Flaccomio, E.; Alencar, S. H. P.; Irwin, J.; Stauffer, J. R.; Cody, A. M.; Teixeira, P. S.; Sousa, A. P.; Micela, G.; Cuillandre, J. -C; Peres, G. (2014)
    Context. The accretion process has a central role in the formation of stars and planets. <br/> Aims: We aim at characterizing the accretion properties of several hundred members of the star-forming cluster NGC 2264 (3 Myr). ...
  • The Monitor Project: stellar rotation at 13 Myr. I. A photometric monitoring survey of the young open cluster h Persei 
    Moraux, E.; Artemenko, S.; Bouvier, J.; Irwin, J.; Ibrahimov, M.; Magakian, T.; Grankin, K.; Nikogossian, E.; Cardoso, C.; Hodgkin, S.; Aigrain, S.; Movsessian, T. A. (2013)
    <br/> Aims: We aim at constraining the angular momentum evolution of low-mass stars by measuring their rotation rates when they begin to evolve freely towards the zero-age main sequence (ZAMS), i.e., after the disk accretion ...
  • A New Sub-period-minimum Cataclysmic Variable with Partial Hydrogen Depletion and Evidence of Spiral Disk Structure 
    Littlefield, C.; Garnavich, P.; Applegate, A.; Magno, K.; Pogge, R.; Irwin, J.; Marion, G. H.; Vinkó, J.; Kirshner, Robert P. (2013)
    We present time-resolved spectroscopy and photometry of CSS 120422:111127+571239 (=SBS 1108+574), a recently discovered SU UMa-type dwarf nova whose 55 minute orbital period is well below the cataclysmic variable (CV) ...
  • An orbital period of 0.94days for the hot-Jupiter planet WASP-18b 
    Hellier, Coel; Anderson, D. R.; Cameron, A. Collier; Gillon, M.; Hebb, L.; Maxted, P. F. L.; Queloz, D.; Smalley, B.; Triaud, A. H. M. J.; West, R. G.; Wilson, D. M.; Bentley, S. J.; Enoch, B.; Horne, K.; Irwin, J.; Lister, T. A.; Mayor, M.; Parley, N.; Pepe, F.; Pollacco, D. L.; Segransan, D.; Udry, S.; Wheatley, P. J. (2009)
  • Results from the 2014 November 15th Multi-chord Stellar Occultation by the TNO (229762) 2007 UK126 
    Benedetti-Rossi, G.; Sicardy, B.; Buie, M. W.; Ortiz, J. L.; Vieira-Martins, R.; Keller, J. M.; Braga-Ribas, F.; Camargo, J. I. B.; Assafin, M.; Morales, N.; Duffard, R.; Dias-Oliveira, A.; Santos-Sanz, P.; Desmars, J.; Gomes-Júnior, A. R.; Leiva, R.; Bardecker, J.; Bean, J. K., Jr.; Olsen, A. M.; Ruby, D. W.; Sumner, R.; Thirouin, A.; Gómez-Muñoz, M. A.; Gutierrez, L.; Wasserman, L.; Charbonneau, D.; Irwin, J.; Levine, S.; Skiff, B. (2016)
    We present results derived from the first multi-chord stellar occultation by the trans-Neptunian object (229762) 2007 UK<SUB>126</SUB>, observed on 2014 November 15. The event was observed by the Research and Education ...
  • The second data release of the INT Photometric Ha Survey of the Northern Galactic Plane (IPHAS DR2) 
    Barentsen, Geert; Farnhill, H. J.; Drew, J. E.; González-Solares, E. A.; Greimel, R.; Irwin, M. J.; Miszalski, B.; Ruhland, C.; Groot, P.; Mampaso, A.; Sale, S. E.; Henden, A. A.; Aungwerojwit, A.; Barlow, M. J.; Carter, P. J.; Corradi, R. L. M.; Drake, Jeremy J.; Eislöffel, J.; Fabregat, J.; Gänsicke, B. T.; Gentile Fusillo, N. P.; Greiss, S.; Hales, A. S.; Hodgkin, S.; Huckvale, L.; Irwin, J.; King, R.; Knigge, C.; Kupfer, T.; Lagadec, E.; Lennon, D. J.; Lewis, J. R.; Mohr-Smith, M.; Morris, R. A. H.; Naylor, T.; Parker, Q. A.; Phillipps, S.; Pyrzas, S.; Raddi, R.; Roelofs, G. H. A.; Rodríguez-Gil, P.; Sabin, L.; Scaringi, S.; Steeghs, D.; Suso, J.; Tata, R.; Unruh, Y. C.; van Roestel, J.; Viironen, K.; Vink, J. S.; Walton, N. A.; Wright, N. J.; Zijlstra, A. A. (2014)
    The INT/WFC Photometric Ha Survey of the Northern Galactic Plane (IPHAS) is a 1800 deg<SUP>2</SUP> imaging survey covering Galactic latitudes |b| imaging survey covering Galactic latitudes |b| <SUP>-1</SUP>) and to a mean ...
  • Simultaneous Multiwavelength Observations of Magnetic Activity in Ultracool Dwarfs. IV. The Active, Young Binary NLTT 33370 AB (= 2MASS J13142039+1320011) 
    Williams, P. K. G.; Berger, E.; Irwin, J.; Berta-Thompson, Z. K.; Charbonneau, D. (2015)
    We present multi-epoch simultaneous radio, optical, Ha, UV, and X-ray observations of the active, young, low-mass binary NLTT 33370 AB (blended spectral type M7e). This system is remarkable for its extreme levels of magnetic ...
  • The underwater morphology of Palmerston and Suwarrow atolls 
    Irwin, J. (1985)
  • UV variability and accretion dynamics in the young open cluster NGC 2264 
    Venuti, L.; Bouvier, J.; Irwin, J.; Stauffer, J. R.; Hillenbrand, L. A.; Rebull, L. M.; Cody, A. M.; Alencar, S. H. P.; Micela, G.; Flaccomio, E.; Peres, G. (2015)
    Context. Photometric variability is a distinctive feature of young stellar objects; exploring variability signatures at different wavelengths provides insight into the physical processes at work in these sources. <br/> ...

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